Fujitsu MAJ3182MC Manual/User Guide

Fujitsu MAJ3182MC - Allegro 18.2 GB Hard Drive Manual

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  • Fujitsu MAJ3182MC | Manual/User Guide - Page 1
    MAH3182MC/MP SERIES MAH3091MC/MP SERIES MAJ3364MC/MP SERIES MAJ3182MC/MP SERIES MAJ3091MC/MP SERIES DISK DRIVES PRODUCT/MAINTENANCE MANUAL C141-E103-02EN
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 2
    RECORD Date published Revised contents Feb., 2000 Dec., 2000 As evaluation result, corrections have been added. Specification No.: C141-E103-**EN The contents of this manual is subject to change without prior notice. All Rights Reserved. Copyright  2000 FUJITSU LIMITED C141-E103-02EN i
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    . Use this product only after thoroughly reading and understanding especially the section "Important Alert Items" in this manual. Keep this manual handy, and keep it carefully. FUJITSU makes every effort to prevent users and bystanders from being injured or from suffering damage to their property
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 5
    Standards Specifications and functions of products covered by this manual SCSI-3 Architecture Model Standards Institute (SAM) (ANSI) WORKING DRAFT Information technology SCSI Parallel Interface-3 (SPI-3) American National Standards Institute (ANSI) All Right Reserved, Copyright © 2000 Fujitsu
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 6
    /MP, MAH3091MC/MP (hereafter, MAH series) and MAJ3364MC/MP, MAJ3182MC/MP, MAJ3091MC/MP (hereafter, MAJ series), 3.5 type fixed disk drives with an embedded SCSI controller. This manual details the specifications and functions of the above disk drive, and gives the requirements and procedures for
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 7
    , a list of setting items, the signal assignments of interface connectors, lists of model names and product numbers, and SCSI interface functions. The model numbers have a suffix that describes the electrical requirements of the SCSI interface between host system and disk drive, the data formatted
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    , repairs, or replacement. Fujitsu is not responsible for drive failures caused by misuse by the user, poor environmental conditions, power trouble, host problems, cable failures, or any failure not caused by the drive itself. The suffix of the model name of the disk drive varies depending on the
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 9
    manual handle the drive until setting of terminals not described in this section. Do not change setting status set at factory shipment. 2. Do not change the setting of terminals except following setting SCSI connectors. With the system in which terminating resistor power is supplied via the SCSI
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    connect SCSI devices, be careful of the connection position of the cable. Check that the SCSI disk drive before requesting repair. Fujitsu does not assume responsibility if data is destroyed during servicing or repair. Caution 6-15 Never open the disk enclosure in the field. Opening the disk
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 11
    manual) SCSI Physical Interface Specifications SCSI Logical Interface Specifications 1. General Description 2. Specifications 3. Data Format 4. Installation Requirements 5. Installation 6. Diagnostics and Maintenance 7. Error Analysis 8. Principle of Operation 1. SCSI Bus 2. SCSI Message 3. SCSI
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    Configuration ...1-9 CHAPTER 2 SPECIFICATIONS 2-1 2.1 Hardware Specifications...2-1 2.1.1 Model name and part number 2-1 2.1.2 Function specifications...2-2 2.1.3 Environmental specifications 2-4 2.1.4 Error rate ...2-5 2.1.5 Reliability...2-5 2.2 SCSI Function Specifications 2-7 CHAPTER 3 DATA
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    SCSI model (MP model 4-14 SCA2 type SCSI model (MC model 4-22 Cable connector requirements 4-26 External operator panel ...4-27 CHAPTER 5 INSTALLATION 5-1 5.1 Notes on Handling Drives ...5-1 5.2 Connections...5-3 5.3 Setting Terminals ...5-5 5.3.1 SCSI ID setting...5-6 5.3.2 Each mode setting
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    6.4.4 6.4.5 Operation test ...6-12 Diagnostic test ...6-12 Troubleshooting Procedures 6-13 Outline of troubleshooting procedures 6-13 Troubleshooting with disk drive replacement in the field 6-13 Troubleshooting at the repair site 6-15 Troubleshooting with parts replacement in the factory 6-16
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 15
    Locations of Connectors and Setting Terminals (MAJ series MC model A-4 A.4 Locations of Connectors and Setting Terminals (MAJ series MP model A-5 APPENDIX B SETTING TERMINALS B-1 B.1 Setting Terminals ...B-2 APPENDIX C CONNECTOR SIGNAL ALLOCATION C-1 C.1 SCSI Connector Signal Allocation: SCA2
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    view...1-6 1.4 MAJ series MP outer view ...1-6 1.5 Disk/head configuration ...1-7 1.6 System configuration...1-9 3.1 Cylinder configuration and terminals location (MP model 4-14 4.17 16-bit SCSI interface connector 4-15 4.18 Power supply connector (16-bit SCSI model 4-15 4.19 External operator
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    of MC model 4-22 4.25 SCA2 type SCSI connector 4-23 4.26 External operator panel connector (CN2 4-24 4.27 16-bit SCSI ID external input 4-25 4.28 External operator panel circuit example 4-27 5.1 SCSI bus connections...5-3 5.2 IDD setting terminals position 5-5 5.3 Setting terminals (CN2
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    mode (CN2 5-9 5.6 Setting the bus width of the SCSI interface (CN2 5-9 5.7 Default mode settings (by CHANGE DEFINITION command 5-9 5.8 Setting check list ...5-10 6.1 Self-diagnostic functions ...6-1 6.2 System-level field troubleshooting 6-14 6.3 Disk drive troubleshooting ...6-15 7.1 Definition
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    1.2 Hardware Structure 1.3 System Configuration This chapter describes the feature and configuration of the intelligent disk drives (IDD). IDDs are high performance large capacity 3.5 type fixed disk drives with an embedded SCSI controller. The interface between the IDD and host system is based on
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    parity • Command set which meets the logical specification of the SCSI CCS (Common Command Set for Direct Access Device) requirements (Rev. 4.B) The SCSI commands can manipulate data through logical block addressing regardless of the physical characteristics of the disk drive. This allows software
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    utilizing high data transfer capability of the SCSI bus regardless of actual data transfer rate of the disk drive. (7) Read-ahead cache feature After realizes the high speed processing. Reordering algorithm is adopted to prevent a specific command from staying in a queue for more than 3 seconds. (9)
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    (10) Error recovery The IDD can try to recover from errors in SCSI bus or the disk drive using its powerful retry processing. If a recoverable data check occurs, error-free data can be transferred to the initiator after being corrected in the data
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    function enhancing. 1.2 Hardware Structure An outer view of the IDD is given in Figures 1.1 to 1.4. The IDD is composed of the disk, head, spindle motor, hermetically sealed disk enclosure (DE) with actuator and air circulation filter, as well as read/write pre-amp with the print card unit (PCA) of
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    Figure 1.2 MAH series MP outer view Figure 1.3 MAJ series MC outer view Figure 1.4 MAJ series MP outer view 1 - 6 C141-E103-02EN
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    inch) outer diameter and 25 mm (0.98 inch) inner diameter for MAJ series. The disks are good for at least 20,000 contact starts and stops. Each model contains following number of disks. MAH3182: 2 MAH3091: 1 MAJ3364: 5 MAJ3182: 3 MAJ3091: 2 (2) Heads The MR (Magnet - Resistive) of the CSS (contact
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    a closed-loop air recirculation system. Using the movement of the rotating disks, air is continuously cycled through a filter. This filter will trap read channel mounted with a head IC that supports high-speed transmission and an MEEPR4ML (Modified Enhanced the SCSI controller. 1 - 8 C141-E103-02EN
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    operating as an initiator or a target can be connected to the SCSI bus for the 8-bit SCSI and up to 16 SCSI devices operating as an initiator or a target can be connected to the SCSI bus for the 16-bit SCSI in any combination. For example, the system can be configured as multi-host system
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    . The IDD is constructed so that the whole volume of disk drive is a single logical unit, the selectable number of SCSI ID and LUN are as follows: • SCSI ID: • LUN: 8-bit SCSI:Selectable from 0 to 7 (switch selectable) 16-bit SCSI:Selectable from 0 to 15 (switch selectable) 0 (fixed) 1 - 10 C141
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    CHAPTER 2 SPECIFICATIONS 2.1 Hardware Specifications 2.2 SCSI Function Specifications This chapter describes specifications of the IDD and the functional specifications of the SCSI. 2.1 Hardware Specifications 2.1.1 Model name and part number Each model has a different data format and front panel
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    SCSI (Single-Ended) Fast 20 SCSI (Single-Ended) Fast 80 SCSI (LVD) Data transfer rate (*10) Disk drive SCSI Synchronous mode Logical data block length (*1) SCSI command specification 1236-D Rev 12), SBC (ANSI NCITS306-199x) command partial support 4 MB FIFO ring buffer 2 - 2 C141-E103-02EN
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    on or start command to when the IDD is ready, and the stop time is the time for disks to completely stop from power off or stop command. (*5) This value indicates at ready mode. (*6) Up to 4 SCSI devices having capacitance of 25pF or less can use cable length of up to 3.0 m. (*7) 5 to
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 33
    (above sea level) Power requirements Input power (*5) Specification Item MAJ3364 series MAJ3182 series MAJ3091 series MAH3182 series to the drive is measured at near the mounting screw hole on the frame as much as possible. (*3) At random seek write/read and default on retry setting with log
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    rate. Data blocks to be accessed should be distributed over the disk medium equally. (1) Unrecoverable error rate Errors which cannot be recovered the operator, failures due to bad environmental conditions, power trouble, host system trouble, cable failures, or other failures not caused by the
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    service mechanic to diagnose and repair a drive malfunction. The drive is designed for a MTTR of 30 minutes or less. (3) Service life The service life under suitable conditions and treatment is as follows. The service failure Integrity of the data on the disk is guaranteed against all forms of DC
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    Table 2.3 SCSI function specifications Item Specification Single-ended SCSI ID 16-bit SCSI LUN (logical unit number) #0 to #15 (Jumper selection) #0 fixed Data transfer 8-bit SCSI provided (*1) Single-Ended and LVD detect the driver mode by Diffsence signal and automatically change. (*2) Refer
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    test, but user can't use direct access. The system space is accessed inside the IDD at power-on or during the execution of a specific command, but the user cannot directly access the system space. 3.1.1 Cylinder configuration The IDD allocates cylinders to the user space, Internal test space
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    Cylinder -70 to ~ Cylinder -63 ~ Cylinder -59 to ~ Cylinder -4 ~ Cylinder 0 Cylinder 1 ~•• n-2 n-1 n Internal test cylinder SA56 • SA1 Primary Cylinder 0 to Primary Cylinder (n-1) Spare sector for each cylinder ~ Internal test space ~ ~ System space ~ ~•• User space n = MAH3182 series: 17,545
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    Table 3.1 Zone layout and track capacity (MAJ3364 series/MAJ3182 series) Zone Cylinder 0 0 to 749 Byte/track 373,107 Sector/track 574 1 750 to 1,499 373,107 574 2 1,500 to 2,179 369,157 568 3 2,180 to 2,859 364,070 560 4 2,860 to 4,039 353,177 546 5 4,040 to 5,034 345,696 532 6 5,035 to 6,
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    Table 3.3 Zone layout and track capacity (MAH series) Zone Cylinder 0 0 to 859 Byte/track 418,715 Sector/track 648 1 860 to 1,959 404,500 621 2 1,960 to 2,639 397,667 612 3 2,640 to 3,969 386,000 594 4 3,970 to 5,149 375,667 576 5 5,150 to 6,429 363,750 558 6 6,430 to 7,759 348,917 540 7
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    (3) System space The system space is an area for exclusive use of the IDD itself and the following information are recorded. The length of the data block is always 512 bytes. • Defect list (P list and G list) • MODE SELECT parameter (saved value) • Statistical information (log data) • Controller
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    The user space and the CE space share the alternate cylinders. Figure 3.3 Alternate cylinder Note: Zero cannot be specified for both the number of spare sectors in each cylinder and the number of alternate cylinders. 3.1.3 Track format (1) Physical sector allocation Figure 3.4 shows the allocation
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    (2) Track skew and cylinder skew To avoid waiting for one turn involved in head and cylinder switching, the first logical data block in each track is shifted by the number of sectors (track skew and cylinder skew) corresponding to the switching time. Figure 3.5 shows how the data block is allocated
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    3.1.4 Sector format Each sector on the track consists of an ID field, a data field, and a gap field which separates them. Figure 3.6 gives sector format examples. SCT SCT G1 PLO Sync SM1 DATA1 SM2 DATA2 BCRC ECC PAD G2 SCT Servo SCT G1 PLO Sync SM1 DATA1 SM2 DATA3 PAD G2 G1 PLO
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    (4) Data field (DATA1-DATA4) User data is stored in the data field of the sector. The length of the data field is equal to that of the logical data block which is specified with a parameter in the MODE SELECT command. Any even number between 512 and 528 bytes can be specified as the length. (5) BCRC
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    data blocks can be read out by a READ CAPACITY, MODE SENSE, or MODE SENSE EXTENDED command after initializing the disk medium. Table 3.4 Format capacity Model Data heads Data block length MAH3182 series 4 MAH3091 series 2 MAJ3364 series 10 512 MAJ3182 series 5 MAJ3091 series 3 User
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    Independently of the physical structure of the disk drive, the IDD adopts the logical data block addressing as a data access method on the disk medium. The IDD relates a logical data block address to each physical sector at formatting. Data on the disk medium is accessed in logical data block
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    following are defect lists which the IDD manages. • P list (Primary defect list): This list consists of defect location information available at the disk drive shipment and is recorded in a system space. The defects in this list are permanent, so the INIT must execute the alternate block allocation
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    by the FORMAT UNIT command, the REASSIGN BLOCKS command, or the automatic alternate block allocation. Refer to OEM Manual-SCSI Logical Specifications-for details of specifications on these commands. The logical data block is allocated to the next physically continued sectors after the above sector
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    , the IDD checks all initialized logical data blocks by reading them out after the above alternate block allocation is made to initialize (format) the disk. If a defective data block is detected during the check, the IDD allocates the alternate block to the defective data block. This alternate block
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    (2) Alternate block allocation by REASSIGN BLOCKS command When the REASSIGN BLOCKS command is specified, the alternate block is allocated to the defective logical data block specified by the initiator by means of alternate sector treatment. If there are unused spare sectors in the same cylinder as
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    (3) Automatic alternate block allocation • Automatic alternate block allocation at read operation If the ARRE flag in the MODE SELECT parameter permits the automatic alternate block allocation, the IDD automatically executes the alternate block allocation and data duplication on the defective data
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    CHAPTER 4 INSTALLATION REQUIREMENTS 4.1 Mounting Requirements 4.2 Power Supply Requirements 4.3 Connection Requirements This chapter describes the environmental, mounting, power supply, and connection requirements. 4.1 Mounting Requirements 4.1.1 External dimensions Figures 4.1 to 4.4 show the
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    3.175 ± 0.25 Figure 4.1 External dimensions (MAH series MC model) 4 - 2 C141-E103-02EN
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    Figure 4.2 External dimensions (MAH series MP model) C141-E103-02EN 4 - 3
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    3.175 ± 0.25 Figure 4.3 External dimensions (MAJ series MC model) 4 - 4 C141-E103-02EN
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    Figure 4.4 External dimensions (MAJ series MP model) C141-E103-02EN 4 - 5
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    (1) Mounting frame structure Special attention must be given to mount the IDD disk enclosure (DE) as follows. a) Use the frame with an embossed structure ). d) Impact caused by the electric driver must be within the device specifications. e) Must be handled on an anti-static mat. 4 - 6 C141-
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    Figure 4.6 Mounting frame structure (2) Limitation of side-mounting Mount the IDD using the 4 screw holes at the both ends on the both sides as shown in Figure 4.7. Do not use the center hole by itself. In case of using the center hole, it must be used in combination with 2 holes on both ends. (
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    the disk drive. At designing the system cabinet, consider following points. • Make a suitable air flow so that the DE surface temperature does not exceed 55°C. • Cool the PCA side especially with air circulation inside the cabinet. Confirm the cooling effect by measuring temperature of specific ICs
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    Figures 4.9. [Surface P'] • Setting terminal • External operator panel connector • Spindle sync connector [Surface P] • Cable connection [Surface R] • Hole for mounting screw [Surface Q] • Hole for mounting screw Figure 4.9 Service clearance area (5) External magnetic field The drive should not
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    MAJ series Air pressure adjustment hole Figure 4.10 Air pressure adjustment hole 4 - 10 C141-E103-02EN
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    of +5 VDC and +12 VDC, supplied to the IDD, does not matter. b) In a system which uses the terminating resistor power supply signal (TERMPWR) on the SCSI bus, the requirements for +5 VDC given in Figure 4.12 must be satisfied between the IDD and at least one of the
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    in Figure 4.13 must be satisfied between the IDD and the SCSI device with the terminating resistor circuit. SCSI devices with the terminating resistor Figure 4.13 Power on/off sequence (2) d) Between the IDD and other SCSI devices on the SCSI bus, the +5 VDC power on/off sequence is as follows: • In
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    the power supply unit. For how to set a spindle motor start control mode, see Subsection 5.3.2. a) Issue START/STOP commands at more than 12-second intervals to start the spindle motors. For details of this command specification, refer to SCSI Logical Interface Specifications. b) Turn on the +12 VDC
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    (1) Connectors Figures 4.16 show the locations of connectors and terminals on the 68 pin connector type 16-bit SCSI (MP) model. • Power supply connector • SCSI connector • External operator panel connector External operator panel connector (CN2) Power supply connector (CN1) External operator panel
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    electrical requirements of the interface signals, refer to Sections 1.3 and 1.4 in the SCSI Physical Interface Specifications. The tolerance is ±0.127 mm (0.005 inch) unless otherwise specified Figure 4.17 16-bit SCSI interface connector b. Power supply connector Figure 4.18 shows the shape and the
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    panel are provided on the IDD as shown in Figure 4.20. This allows connection of an external LED on the front panel, and an SCSI ID setting switch. For the recommended circuit of the external operator panel, see Subsection 4.3.4. Pin Signal A1 -ID0 A2 -Fault LED A3 -ID1 A4 (Reserved) A5
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    Figure 4.20 External operator panel connector (CN2) C141-E103-02EN 4 - 17
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    -ID1, -ID0: Input signals (CN1-A1, A3, A5, A7 pin and CN2-02, 04, 06, 08 pin) These signals are used for providing switches to set the SCSI ID of the IDD externally. Figure 4.21 shows the electrical requirements. For the recommended circuit examples, see Subsection 4.3.4. 4 - 18 Figure 4.21 16-bit
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    SCSI ID immediately after the power supply to the IDD has been switched on (it is possible to set up the SCSI as LED on the front panel of the disk drive. The electrical requirements are given in Figure For details of command, refer to SCSI Logical Interface Specifications. 2. Any load other than the
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    Figure 4.22 Output signal for external LED e. -WTP: Input signal (CN1-A12 and CN2-9, 10 pin) By connecting the CN1-A12 and CN2-10 pins to the GND, writing operations into the IDD disc media are set to disable. 4 - 20 C141-E103-02EN
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    , host system, and power supply unit are given in Figure 4.23. Recommended components for connection are listed in Table 4.2. External operator panel (example) Figure 4.23 SCSI cables connection C141-E103-02EN 4 - 21
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    the locations of connectors and terminals on the SCA2 type SCSI model. SCSI connector (including power supply connector) External operator panel connector (CN2) SCSI connector (CN1) External operator panel connector (CN2) SCSI connector (CN1) Figure 4.24 Connectors and terminals location of MC
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    25 shows the SCSI connector. See Section C.5 in Appendix C for signal assignments on the connector. For details on the physical/electrical requirements of the interface signals, refer to Sections 1.3 and 1.4 in SCSI Physical Interface Specifications. Figure 4.25 SCA2 type SCSI connector C141-E103
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    external operator panel are provided on the IDD as shown in Figure 4.26. This allows to place externally LED on the front panel, or an SCSI ID setting switch. Figure 4.26 External operator panel connector (CN2) 4 - 24 C141-E103-02EN
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    (4) External operator panel connector Signals a. 16-bit SCSI -ID3, -ID2, -ID1, -ID0: Input signals (CN-2-02, 04, 06, 08 pin) These signals are used for providing switches to set the SCSI ID of the IDD externally. Figure 4.27 shows the electrical requirements. (IDD) CN2-08 CN2-06 CN2-04 CN2-02
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    AMP - AMP AMP Fujitsu Limited Fujitsu Limited Fujitsu Limited Fujitsu Limited AMP Reference (Figures 4.25 and 4.30) S1 S2 S3 S4 (1) SCSI cable See Section 1.3, "Physical Requirements", and Section 1.4, "Electrical Requirements", in SCSI Physical Interface Specifications. (2) Power cable IDDs
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    (4) External operator panel The external operator panel is installed only when required for the system. When connection is not required, leave open the following pins in the external operator panel connector of the IDD : Pins 21, 22 and pins 01 through 08 in CN2 and pins A1 through A12 in CN1. 4.3.4
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    the notes on handling drives, connections, setting switches and plugs, mounting drives, connecting cables, confirming drive operations after installation and preparation for use, and dismounting drives. 5.1 Notes on Handling Drives The items listed in the specifications in Table 2.1 must be
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    up. Handle the package on soft material such as a rubber mat, not on hard material such as a desk. b) Be careful not to give excess pressure to the pin settings that may be altered are pins 9, 10 (Write Protect) in CN2. b) Do not move the drive when power is turned on or until the drive completely
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    16 devices including the host adapter, IDD, and other SCSI devices can be connected to the SCSI bus in arbitrary combinations. Install a terminating resistor on the SCSI device connected to both ends of the SCSI cable. See Section 4.4 for the cable connection requirements and power cable connections
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    (3) Connecting more than one IDD (multi-host) Figure 5.1 SCSI bus connections (2 of 2) 5 - 4 C141-E103-02EN
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    Terminals The user must set the following terminals and SCSI terminating resistor before installing the IDD in the system. • Setting terminal: CN2 Figures 5.2 shows the setting terminal position. Figures 5.3 shows the allocation and default settings. CAUTION Data loss 1. The user must not
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    Ended: LVD mode Force Narrow: 16bit-SCSI Spin-up mode Write protect: enabled SCSI ID #15 (MP model) # 0 (MC model) 2 4 6 8 10 12 14 16 1 3 5 7 9 11 13 15 MC model Figure 5.3 Setting terminals (CN2) 5.3.1 SCSI ID setting Table 5.1 shows the SCSI ID setting. Refer to Figures 5.2 and 5.3 for connector
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    to Table 5.2 for controlling the supply of power from the drive to the SCSI terminal resistance power source (TERMPOW). However, this setting may not be used with MC model. For information on MP model, refer to Figures 5.2 and 5.3. Table 5.2 Setting SCSI terminal power supply (MP) Supply on/off of
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    Short Open (*1) Refer to Chapter 3 of the SCSI Logical Interface Specifications for details of the START/STOP UNIT command. (3) Write protect When the write protect function is enabled, writing to the disk medium is disabled. Table 5.4 Write protect setting (CN2) Write protect Write operation is
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    the IDD is provided with several mode settings. The mode settings are enabled by specifying the CHANGE DEFINITION command. Table 5.7 lists the mode settings and their settings at factory shipment. Refer to Section 3.1.4 of the SCSI Logical Interface Specifications for details of the command. Table
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    Short … Open Remarks Upper bus (DB 8 to 15 PI) not connected MP models 5.4.2 Mounting procedures Since mounting the drive depends on the system cabinet structure, determine the work procedures considering the requirements specific to each system. The general mounting method and items to be checked
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    IDD connector positions and connecting cables. • Power cable • SCSI cable • External operator panel cable (if required) The general power cable. b) Connect the external operator panel (if required for system). c) Connect the SCSI cable. d) Fix the cables so that they do not touch the DE and PCAs,
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    the initiator accesses the IDD via the SCSI bus, the LED lights). (2) Initial operation in the case of setting so that motor starts with START/STOP start the spindle motor by the procedure in Subsection 5.6.2. d) The disk drive enters the READY status in 60 seconds after the START/STOP UNIT command
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    motor and UNIT ATTENTION report mode (specified with setting terminal). Figure 5.4 shows the recommended checking procedure START/STOP UNIT command to start the spindle motor. c) Check the SCSI bus operations with the WRITE BUFFER and READ BUFFER commands. Use data disk drive. C141-E103-02EN 5 - 13
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 95
    Motor starts when power is turned on (60 5 - 14 Figure 5.4 Checking the SCSI connection (A) C141-E103-02EN
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    Motor starts by START/STOP command * Executing time: about 60 seconds Figure 5.5 Checking the SCSI connection (B) C141-E103-02EN 5 - 15
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 97
    terminals. Note that the checking procedure of SCSI connection differs depending on the setting of the motor start mode and UNIT ATTENTION report mode. 5.6.3 Formatting Since the disk drive is formatted with a specific (default) data format for each model (part number) when shipped from the factory
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    tracks for alternate cylinders (= number of alternate cylinders × number of disk drive heads) in the "alternate tracks/zone" field. It is of defect blocks detected with verification is registered in the G list. The specifications are as follows: a. Specifying CDB Specify 0 for the "FmtData" bit
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 99
    value on the disk. This enables the IDD to operate by using the parameter value set by the user set the parameters in consideration of the system requirements specific to the user. This section outlines the parameter setting procedures. Refer to Chapter 3 of SCSI Logical Interface Specifications
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    5. The saved value of the MODE SELECT parameter is assumed as the initial value of each parameter after the power-on, the RESET condition, or the BUS DEVICE RESET message. The INIT can change the parameter value temporary (actively) at any timing by issuing the MODE SELECT or MODE SELECT EXTENDED
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 101
    WRITE AND VERIFY command) of the disk. Refer to Chapter 2 of SCSI Logical Interface Specifications for further details. a. Disconnection/reconnection Chapter 2 of SCSI Logical Interface Specifications for how to obtain the rough calculation values for the parameter values to be set. It is
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 102
    under the system environments. Refer to Chapter 2 of SCSI Logical Interface Specifications for further details. a. Read caching parameters Parameter • accesses the disk. When the access form is not determined uniquely because of the processing method, the parameters can be re-set actively. 3.
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    is resumed) 0 (enabled) 5.7 Dismounting Drives Since dismounting the drive to check the setting terminals, change the setting, or change the drive depends on the structure of the system cabinet, the work procedures must be determined in consideration of the requirements specific to the system. This
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 104
    CHAPTER 6 DIAGNOSTICS AND MAINTENANCE 6.1 Diagnostics 6.2 Maintenance Information 6.3 Operation Check 6.4 Troubleshooting Procedures This chapter describes diagnostics and maintenance information. 6.1 Diagnostics 6.1.1 Self-diagnostics The IDD has the following self-diagnostic function. This
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 105
    the write/read function by using the Internal test space of the disk drive. (1) Initial self-diagnostics When power is turned on, the IDD starts status and sense data are posted, the LED continues blinking. Only when the SCSI bus is reset, the TARGET RESET message is issued, or the power is turned
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 106
    , refer to Section 1.4 and Subsection 1.7.4 in SCSI Logical Interface Specifications. (2) Online self-diagnostics (SEND DIAGNOSTIC command) The the UnitOfl bit on the CDB is set to 0, the IDD executes the hardware function test only once. When UnitOfl bit is set to 1, the IDD executes the hardware
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 107
    in the hardware function test, the LED on the front panel of the disk drive blinks. The INIT should issue the REQUEST SENSE command when the CHECK CONDITION Refer to Chapter 3 of SCSI Logical Interface Specifications for further details of the command specifications. CAUTION Data loss When the
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 108
    ) test The operations of the SCSI bus and data buffer on the IDD are checked the mechanical assembly during disk drive operation. 3. Do not use solvents to clean the disk drive. Take the following precautions to prevent disk drive damage during maintenance and troubleshooting: C141-E103-02EN 6
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 109
    Discharge) may cause the damage to the device. 2. To prevent electrical damage to the disk drive, turn the power off before mounting or removing a PCA or connecting or disconnecting a because it is completely sealed. (2) Service life See "(3) Service life," in Section 2.1.5. 6 - 6 C141-E103-02EN
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    in the field. (4) Service system and repairs Fujitsu has the service system and repair facility for the disk drive. Contact Fujitsu representative to submit information for replacing or repairing the disk drive. Generally, the following information must be included: a) IDD model, part number
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 111
    maintenance (disk drive replacement) • This replacement is done at the user's site. • Replacement uses standard tools. • Replacement is usually done by the user, retail dealer, distributor, or OEM engineer. (2) Factory maintenance (parts replacement) • This replacement can only be done by Fujitsu
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 112
    to the DE. Figure 6.1 shows the revision label format. Machine revision Figure 6.1 Revision label (1) Indicating revision number at factory shipment When the disk drive is shipped from the factory, the revision number is indicated by deleting numbers in the corresponding letter line up to the
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 113
    after the drive is shipped from the factory, Fujitsu issues " drive troubleshooting and repair in the field require only standard hand tools. No special tools or test equipment are required. This manual does not describe the factory-level tools and test equipment. 6.2.6 Tests This disk drive
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    results OK? Yes Continue operation Check host system (Table 6.2) Host system No Analyze system-related normal? error Yes Replaced or repair disk drive Disk drive No normal? Yes Execute diagnostic test using a host computer or test equipment No Test results OK? Yes Test using voltage or
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    . Then, start troubleshooting the whole host system by replacing the disk drive. 6.3.3 Diagnostic test The diagnostic test is executed to find a faulty subassembly in a faulty disk drive, or to check disk drive performance. This test is usually a combination of specific disk drive functions or group
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 116
    or burning of a PCA), troubleshooting is straightforward. 6.4.2 Troubleshooting with disk drive replacement in the field At this level of maintenance, we recommend replacing the disk drive as a unit. If replacing the disk drive rectifies the fault, return the removed disk drive to the factory, for
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 117
    . Check that the jumpers on the PCA are set so that the disk drive and host computer operate normally. See Section 5.3. Check that all system cables are connected correctly. When possible, execute the system level diagnostic routine as explained in the host computer manual. This gives a detailed
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    , notify the user of the test results, and find out from the user the environment conditions where the disk drive is used. Table 6.3 Disk drive troubleshooting Item Frequent or repeated seek errors Intermittent or nonfatal errors Recommended action Collect sense data, and see Chapter 7. Replace
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    with parts replacement in the factory This manual does not cover troubleshooting at the factory level. 6.4.5 Finding possibly faulty parts Finding possibly faulty parts in the field was explained in Subsection 6.4.2. This manual does not cover finding possibly faulty parts at the factory
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    from a disk drive is used for troubleshooting. Sense data reflects an error in the disk drive, and helps with troubleshooting. A sense , refer to the SCSI Logical Interface Specifications. 7.1.2 Sense key, sense code, and subsense code If an error is detected in a disk drive, the error status
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    7 X'28' (additional sense data length) Basic information 8 [MSB] 9 10 Command-specific information 11 12 Sense code 13 Subsense code 14 X'00' 15 SKSV 16 Sense key-specific information 17 18 X 0 0 0 SCSI ID 19 CDB operation code Additional information 20 Detail information 47
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    error occurred inside IDD. A drive error occurred. A disk read error occurred. A disk read error occurred. Data discrepancy found by VERIFY command byte check. An SCSI error, such as an invalid operation code, occurred. The Reserve bit of the IDENTIFY message was set to 1. The RESERVE or RELEASE
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 123
    error occurred inside IDD. • A drive error occurred. The symptoms above are generally caused by an error in a PCA or DE. For details of the sense data above, refer to the SCSI Logical Interface Specifications. 7.2.3 Sense data (1-1x-xx), (3-1x-xx) and (E-1D-00): Disk read error If sense data (1-1x
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 124
    see Section 8.2). The second part explains the servo data recorded on a magnetic disk and explains drive control (see Sections 8.3 to 8.7). 8.2 Disk Drive Configuration The main disk drive subassemblies are a disk enclosure (DE) and printed-circuit boards (also called printed circuit assemblies (PCA
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    by the heads. 8.2.5 Air filters There are two filters in the disk drive, the breathing filter and the circulation filter. The breathing filter is At times when the atmospheric air pressure changes, such as when the disk drive is shipped by airmail, filtered air enters the DE. The circulation filter
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    surface. (3) Spindle motor drive circuit The spindle motor drive circuit drives the spindle motor. A drive current in the motor coil following main functions: • Data buffering (4 Mbyte, 4 to 32 segments) • SCSI protocol control and data transfer control • Sector format control • ECC • Error recovery
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    C141-E103-02EN 8 - 4 Figure 8.1 Circuit configuration Buffer (DRAM) 1 Mbit × 32 (= 4 MByte) Servo Demodulator Read Channel
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    activates the spindle motor when the motor start mode is set (SW1 is on; default setting at factory shipment). 3) The IDD executes self-diagnosis 2 information and defect position information written in the system zone. 7) The disk drive is in ready state and commands from the host system can be
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    movement caused by disk rotation are exerted. Also, when an instruction that reduces the voice offset value for each head of each drive must be measured and stored in flash memory . The head IC has a preamplifier and a write current driver, and has a write error detection function. Each channel is
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    is converted into the NRZ data (WDT by SCSI controller), and is sent, together with the Write clock (WCLK) signal, to the write circuit. The NRZ data is converted into 32/34 RLL code by the encoder circuit, and is written to the disk. Figure 8.3 Block diagram of read-write circuit C141
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    8.6.3 Read circuit After fixing the data output from the head IC to a certain level by Automatic Gain Control (AGC), the Read circuit converts the waveform digitally by Analog to Digital Converter (ADC) circuit via analog filter circuit. And then, after equalization by Finite Impulser Response
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 132
    Table 8.2 MAJ3091 series data frequency and recording density in each zone Zone Cylinder 1F(MFRPS) 2F(MFRPS) bpi 0 0 to 579 66.2 264.9 304,591 1 580 to 1,339 64.6 258.5 304,844 2 1,340 to 2,249 62.7 250.8 305,144 3 2,250 to 3,219 60.6 242.4 305,386 4 3,220 to 4,554 57.7 230.9 305,787 5 4,555
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    diagram of servo control circuit (MAJ3364) (1) Processor-ASIC (Processor-application specific IC) A DSP controls the spindle motor and the voice coil motor. The SCSI sends an instruction to the DSP through the SCSI control MCU via drive interface. The Processor is a 1-chip ASIC, and also contains
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 134
    driver The power amp drive signal output by the DSP (digital signal processor) is converted to a current for driving the VCM. This consists of a controller which controls the sensor-less spindle motor by detecting the counter electro-motive voltage and a power MOSFET which drives of a disk. Like IGB
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    in the gray code area, and head position under one cylinder (resolution) is recognized by using the information in the position area. Outer side of disk Center of disk DS IGB SDearvtaozzoonnee Figure 8.5 Position of servo track OGB 8 - 12 C141-E103-02EN
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    in accordance with commands from the SCSI unit. (1) Activation The SCSI control MPU carries out control of the spindle motor from the stopped condition to normal rotation by the following sequence. 1) DSP intermittently supplies current between specific phases (e.g., phases U and V) to force
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    head to a target cylinder. When the DSP receives this command, the DSP drives the voice coil motor, via the digital-to-analog converter and power amplifier, (3) Track following operation To read or write data from or to a disk, the head must be correctly centered over the target cylinder. The DSP
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 138
    of Connectors and Setting Terminals (MAH series MC model) A.2 Locations of Connectors and Setting Terminals (MAH series MP model) A.3 Locations of Connectors and Setting Terminals (MAJ series MC model) A.4 Locations of Connectors and Setting Terminals (MAJ series MP model) This appendix shows
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    A.1 Locations of Connectors and Setting Terminals (MAH series MC model) 15/16 CN2 1/2 CN1 (viewed from bottom side) Figure A.1 Locations of connectors and setting terminals (MAH series MC model) A - 2 C141-E103-02EN
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 140
    A.2 Locations of Connectors and Setting Terminals (MAH series MP model) 23/24 CN2 1/2 CN1 (viewed from bottom side) Figure A.2 Locations of connectors and setting terminals (MAH series MP model) C141-E103-02EN A - 3
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 141
    A.3 Locations of Connectors and Setting Terminals (MAJ series MC model) CN1 15/16 CN2 1/2 (viewed from bottom side) Figure A.3 Locations of connectors and setting terminals (MAJ series MC model) A - 4 C141-E103-02EN
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 142
    A.4 Locations of Connectors and Setting Terminals (MAJ series MP model) CN1 23/24 CN2 1/2 (viewed from bottom side) Figure A.4 Locations of connectors and setting terminals (MAJ series MP model) C141-E103-02EN A - 5
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    APPENDIX B SETTING TERMINALS B.1 Setting Terminals This appendix describes setting terminals. C141-E103-02EN B - 1
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    (16-bit SCSI only) SCSI ID #10 (16-bit SCSI only) SCSI ID #11 (16-bit SCSI only) SCSI ID #12 (16-bit SCSI only) SCSI ID #13 (16-bit SCSI only) SCSI ID #14 (16-bit SCSI only) SCSI ID #15 (16-bit SCSI only) (*2) Write operation is enabled. (*) Write operation is disabled. For MP models Setting item
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    For MC models Setting item Pins Setting contents 11 - 12 13 - 14 15 - 16 23 - 24 Motor start Width of 8 bit bus Force Single Ended Open Follows DIFFSNS signal level on SCSI bus (*) * Setting at factory shipment Short Single-Ended mode Note: See the description of Section 5.3 for details
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  • Fujitsu MAJ3182MC | Manual/User Guide - Page 148
    APPENDIX C CONNECTOR SIGNAL ALLOCATION C.1 SCSI Connector Signal Allocation: SCA2 type LVD 16-bit SCSI C.2 SCSI Connector Signal Allocation: 68 pin type LVD 16-bit SCSI This appendix describes the connector signal allocation. C141-E103-02EN C - 1
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    -DB00 -DBP1 -DB15 -DB14 -DB13 -DB12 5V 5V 5V (Charge) - SPINDLE SYNC RMT START SCSI ID0 SCSI ID2 Signal 12V RETURN (GND) 12V RETURN (GND) 12V RETURN (GND) 12V RETURN (MATED 1) Reserved (MATED 2) 5V RETURN (GND) 5V RETURN (GND) -LED DLYD START SCSI ID1 SCSI ID3 Pin No. 41 42 43 44 45 46 47 48 49 50
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    Allocation: 68 pin type LVD 16-bit SCSI Table C.2 SCSI connector (68 pin type LVD 16-bit SCSI): CN1 Pin No. Signal 01 DB12 02 DB13 03 DB14 04 DB15 05 DBP1 06 DB00 07 DB01 08 DB02 09 DB03 10 DB04 11
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    APPENDIX D MODEL NAMES AND PRODUCT NUMBERS D.1 Model Names and Product Numbers This appendix lists model names (types) and product numbers. C141-E103-02EN D - 1
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    SCA2, LVD MAJ3364MP 68-pin, LVD 512B 36.4 GB #6-32UNC CA05695-B120 CA05668-B550 MAJ3364MC SCA2, LVD MAJ3182MP SCSI CA05668-B220 Remarks 25.4mm height 7,200 min-1(7,200rpm) 2 disks 4 heads 25.4mm height 7,200 min-1(7,200rpm) 1 disks 2 heads 25.4mm height 10,025 min-1(10,025rpm) 5 disks
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 154
    Comments concerning this manual can be directed to one of the following addresses: FUJITSU LIMITED Business Planning Solid Square East Tower 580 Horikawa-cho,Saiwai-ku, Kawasaki, 210-0913, Japan TEL: 81-44-540-4056 FAX: 81-44-540-4123 FUJITSU COMPUTER PRODUCTS OF AMERICA, INC. 2904
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 155
    FUJITSU LIMITED Reader Comment Form We would appreciate your comments and suggestions for Very Good Fair Good Poor Very Poor Your other comments may be entered here. Please be specific and give page, paragraph and line number references where applicable. Well Organized Clean Your Name &
  • Fujitsu MAJ3182MC | Manual/User Guide - Page 156
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C141-E103-02EN
MAH3182MC/MP SERIES
MAH3091MC/MP SERIES
MAJ3364MC/MP SERIES
MAJ3182MC/MP SERIES
MAJ3091MC/MP SERIES
DISK DRIVES
PRODUCT/MAINTENANCE MANUAL