Seagate ST3300655LC Cheetah 15K.5 SCSI Product Manual

Seagate ST3300655LC Manual

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  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 1
    Product Manual Cheetah 15K.5 SCSI ST3300655LW ST3146855LW ST373455LW ST3300655LC ST3146855LC ST373455LC 100384776 Rev. J May 2010
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 2
    may be reproduced in any form without written permission of Seagate Technology LLC. Call 877-PUB-TEK1(877-782-8651) to request permission. One gigabyte, or GB, equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 3
    Contents 1.0 Seagate Technology support services 1 2.0 Scope service 15 6.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF) . . . 15 6.2.2 Preventive maintenance 15 6.2.3 Hot plugging Cheetah 15K.5 SCSI disc drives 16 6.2.4 S.M.A.R.T 16 6.2.5 Thermal monitor 18 6.2.6 Drive
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    51 SCSI bus conditions and miscellaneous features supported 55 Synchronous data transfer 56 10.5.1 Synchronous data transfer periods supported 56 10.5.2 REQ/ACK offset 56 Terminator power 71 Disc drive SCSI timing 72 10.11 Drive activity LED 74 ii Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 5
    connector 58 SCSI daisy-chain interface cabling for LW drives 61 Nonshielded 68-pin SCSI device connector used on LW drives 62 Nonshielded 80-pin SCSI SCA-2 connector used on LC drives 63 Typical SE-LVD alternative transmitter receiver circuits 69 Cheetah 15K.5 SCSI Product Manual, Rev. J iii
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  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 7
    support/warranty_&_returns_assistance For information regarding Data Recovery Services, visit http://www.i365.com For Seagate OEM & Distribution partner portal, visit https://direct.seagate.com/portal/system For Seagate reseller portal, visit http://spp.seagate.com Cheetah 15K.5 SCSI Product Manual
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 8
    2.0 Scope This manual describes Seagate® Technology LLC, Cheetah® 15K.5 SCSI disc drives. Cheetah 15K.5 SCSI drives support the small computer system interface (SCSI) as described in the ANSI SCSI SPI-4 interface specifications to the extent described in this manual. The SCSI Interface Manual (part
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 9
    Manual, the Seagate Parallel SCSI Interface Manual, part number 100293069, and the SCSI Commands Reference Manual, part number 100293068. The Cheetah 15K.5 SCSI disc drive does not provide adequate shielding. If the I/O cables are external to the enclosure, shielded cables should be used, with the
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 10
    of parts and materials in Seagate products are procured from external suppliers. We rely on the drives documented in this publication. Current supplier declarations include disclosure of the inclusion of any RoHS-regulated substance in such parts or materials. 4 Cheetah 15K.5 SCSI Product Manual
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 11
    with. 3.4 Reference documents Cheetah 15K.5 SCSI Installation Guide Seagate P/N 100384777 Safety and Regulatory Agency Specifications Seagate P/N 75789512 SCSI Commands Reference Manual Seagate P/N 100293068 Parallel SCSI Interface Product Manual Seagate P/N 100293069 Applicable ANSI
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 12
    of the Cheetah 15K.5 SCSI family of drives, the Parallel SCSI Interface Manual, part number 100293069, and the SCSI Commands Reference Manual, part number 100293068, which describe the general interface characteristics of this and other families of Seagate SCSI drives. The drive's interface supports
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 13
    DST) • Supports SCSI bus fairness 4.2 Media characteristics The media used on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for improved durability and environmental protection. Cheetah 15K.5 SCSI Product Manual, Rev
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 14
    listed above. Using the drives in this manner gives the absolute maximum capacity potential, but the user must determine if the extra capacity potential is useful, or whether their assurance of backward and forward compatibility takes precedence. 8 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 15
    installed accessories OEM Standard drives are shipped with the Cheetah 15K.5 Installation Guide, part number 100384777, and the Safety and Regulatory Agency Specifications, part number 75789512 (unless otherwise specified). The factory also ships with the drive a small bag of jumper plugs used for
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 16
    bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. ** Rounded off value. 5.2 SCSI performance characteristics (visible to user) The values given in Section 5.2.1 apply to all models of the Cheetah 15K.5 SCSI family unless
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 17
    as measured on a representative sample of drives. 2. Access to data = access time differential (LVD) interface mode 5.0 to 320 MBytes/sec Sector Sizes: Default 512 byte user data blocks Variable 512 to 528 support the rates listed and no cable loss. Cheetah 15K.5 SCSI Product Manual, Rev. J 11
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 18
    applied). If a recoverable error condition is detected during the start sequence, the drive executes a recovery procedure which may cause OEM versions of this drive family are given in Table 10. 5.5 Cache operation Note. Refer to the SCSI Interface Manual Cheetah 15K.5 SCSI Product Manual, Rev. J
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    read look-ahead) is enabled (enabled by DRA = 0), the drive enables prefetch of contiguous blocks from the disc when it senses that a prefetch hit will likely occur. The drive disables prefetch when it decides that a prefetch hit is not likely to occur. Cheetah 15K.5 SCSI Product Manual, Rev. J 13
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    OEM error recovery settings are applied. This includes AWRE, ARRE, full read retries, full write retries and full retry time. 6.1.1 Recoverable Errors Recoverable errors are those detected and corrected by the drive treated as 1 error for that block. 14 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 21
    drive to position the heads to the addressed track. After detecting an initial seek error, the drive automatically drive failures. 6.2 Reliability and service You can enhance the reliability of Cheetah 15K.5 SCSI disc drives by ensuring that the drive Cheetah 15K.5 SCSI Product Manual, Rev. J 15
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 22
    insertion or removal Case 4 - Current I/O process allowed during insertion or removal, except on the device being changed Seagate Cheetah 15K.5 SCSI disc drives support all four hot plugging cases. Provision shall be made by the system such that a device being inserted makes power and ground
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 23
    for a period of time. The firmware keeps a running count of the number of times the error rate for each attribute is unacceptable. To accomplish this, a counter is incremented whenever the error rate is unacceptable and decremented (not to exceed Cheetah 15K.5 SCSI Product Manual, Rev. J 17
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 24
    some fundamental tests and scans portions of the media. If DST encounters an error during either of these tests, it reports a fault condition. If the drive fails the test, remove it from service and return it to Seagate for service. 18 Cheetah 15K.5 SCSI Product Manual, Rev. J
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    of DST, a Not Ready condition also qualifies the drive to be returned to Seagate as a failed drive. A Drive Not Ready condition is reported by the drive under the following conditions: • Motor will not servo test segment, and a read/verify scan segment. Cheetah 15K.5 SCSI Product Manual, Rev. J 19
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 26
    facility in accordance with Seagate's warranty procedure. Seagate will pay for transporting the repair or replacement item to customer. For more detailed warranty information refer to the Standard terms and conditions of Purchase for Seagate products. 20 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 27
    return information Seagate customer service centers are the only facilities authorized to service Seagate drives. Seagate does not sanction any third-party repair facilities. Any unauthorized repair or tampering with the factory-seal voids the warranty. Cheetah 15K.5 SCSI Product Manual, Rev. J 21
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 28
    Cheetah 15K.5 SCSI drive. 7.1 None. AC power requirements 7.2 DC power requirements The voltage and current requirements for a single drive ±5% 0.70 LVD mode +12 V ±5% [2] 0.80 0.76 1.94 1.07 3.35 0.57 0.03 0.69 1.18 0.70 1.23 1.38 2.90 22 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 29
    values. Power supply at nominal voltage. Number of drives tested = 6, 35 Degrees C ambient. [2] drives from a common supply, careful consideration for individual drive power requirements should be noted. Where multiple units are powered on simultaneously, the peak Cheetah 15K.5 SCSI Product Manual
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 30
    for LC models. See Section 9.1 for pin selection information. To delay the motor until the drive receives a Start Unit command, enable the Enable Remote Motor Start option on the J6 connector on are typical. See Table 3 for maximum current requirements. 24 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 31
    Figure 1. Typical ST3300655LW drive +12V LVD current profile Figure 2. Typical ST3300655LW drive +5 V LVD current profile Cheetah 15K.5 SCSI Product Manual, Rev. J 25
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 32
    I/O rate curve (see Figure 3). Locate the typical I/O rate for a drive in your system on the horizontal axis and read the corresponding +5 volt current Figure 3. ST3300655LC DC current and power vs. IOPS (LVD) Power (watts) 5Vo lt A 12 Vo lt A Watts 26 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 33
    I/O rate curve (see Figure 4). Locate the typical I/O rate for a drive in your system on the horizontal axis and read the corresponding +5 volt current 4. ST3146855LC DC current and power vs. IOPS (LVD) Power (watts) 5Vo lt A 12 Vo lt A Watts Cheetah 15K.5 SCSI Product Manual, Rev. J 27
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 34
    following I/O rate curve (see Figure 5). Locate the typical I/O rate for a drive in your system on the horizontal axis and read the corresponding +5 volt current 5. ST373455LC DC current and power vs. IOPS (LVD) Power (watts) 5Vo lt A 12 Vo lt A Watts 28 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 35
    (20°C) per hour. This specification assumes that the drive is packaged in the shipping container designed by Seagate for use with drive. HDA Temp. Check Point 1.0" .5" Figure 6. level) a. Operating -1,000 to +10,000 feet (-305 to +3,048 meters) Cheetah 15K.5 SCSI Product Manual, Rev. J 29
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 36
    transportation. This includes both isolated drives and integrated drives. The drive subjected to nonrepetitive shock not details refer to Seagate specifications 30190-001 (under 100 lbs/45 kg) or 30191-001 (over 100 lbs/45 Kg). Package size
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 37
    single or multipacks with a gross weight of 20 pounds (8.95 kg) or less by Seagate for general freight shipment shall withstand a drop test from 48 inches (1,070 mm) against a concrete floor or equivalent. Z Y X X Z Y Figure 7. Recommended mounting Cheetah 15K.5 SCSI Product Manual, Rev. J 31
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 38
    office environment with minimal environmental control. 7.4.6 Corrosive environment Seagate electronic drive components pass accelerated corrosion testing equivalent to 10 years replacing materials near circuitry with sulfide-free alternatives. 32 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 39
    tones more than 10 dB above the masking noise on typical drives when measured according to Seagate specification 30553-001. There will not be any tones more than 24 0.38 max V .265 ± .010 6.73 ± .25 E D Figure 8. LW mounting configuration dimensions Cheetah 15K.5 SCSI Product Manual, Rev. J 33
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 40
    6-32 UNC 2B, three on each side and four on the bottom. Max screw penetration into side of drive is 0.15 in. (3.81 mm). Max screw tightening torque is 6.0 in-lb (3.32 nm) with U .015 max 0.38 max E D Figure 9. LC mounting configuration dimensions 34 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 41
    Reference Manual, which describes the Mode Select/Mode Sense Error Recovery parameters. The error recovery scheme supported by the drive provides The drive firmware error recovery algorithms consist of 11 levels for read recoveries and 5 levels for writes. Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 42
    Therefore, each command's total recovery time is subject to the recovery time limit. Note: A recovery time limit of 0 will use the drive's default value of FF FF. Minimum recovery time limit is achieved by setting the Recovery Time Limit field to 00 01. 36 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 43
    when the drive goes to idle during the Pre-Scan period. In the event that the drive is in a high transaction traffic environment and is unable to complete a BMS scan within 24 power on hours BMS will disable Pre-Scan to restore full performance to the system. Cheetah 15K.5 SCSI Product Manual, Rev
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 44
    are marked for DAR during read operations performed by the drive. When a write command is received for an LBA effective when AWRE and ARRE are enabled-this is the default setting from the Seagate factory. With AWRE and ARRE disabled DAR is unable to 38 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 45
    describe the functions of the various jumper positions on the connectors. Suggested part number for the jumpers used on J6 is Molex 52747-0211 (Seagate part number 77679052). A bag with the two jumper plug types is shipped with the standard OEM drives. Cheetah 15K.5 SCSI Product Manual, Rev. J 39
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 46
    equipment to establish drive ID. Remote Switches Pins 2, 4, 6, and 8 are normally not grounded. They are driven low (ground) for 250 ms after a Reset or PWR ON to allow drive to read SCSI ID selected. Figure 10. J5 jumper header (on LW models only) 40 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 47
    optional usage plug. [5] Do not connect anything to J5 pins 9, 11-12 or J6 pins 13-20. [6] Connect an external Drive Activity LED to J5 pin 8 (see Figure 10) and the drive's +5V power source, through an appropriately sized current limiting resistor. Cheetah 15K.5 SCSI Product Manual, Rev. J 41
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 48
    circuits, a jumper on the TP position may be needed to power external terminators (see system docu- mentation). These drives do not have terminator circuits on the drive. Note. J6 does not exist on the LC model and is supported on the LW model only. 42 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 49
    enclosure must provide heat removal from the drive. You should confirm that the host enclosure is designed to ensure that the drive operates within the temperature measurement guidelines side) Figure 12. Air flow (suggested) Above unit Under unit Cheetah 15K.5 SCSI Product Manual, Rev. J 43
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 50
    of mounting the drive in the host equipment. Increased radiated emissions may result if you do not provide the maximum surface area ground connection between system ground and drive ground. This is the system designer's and integrator's responsibility. 44 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 51
    or in the Seagate Parallel SCSI Interface Manual and the SCSI Commands Reference Manual . 10.2 SCSI interface messages supported Table 7 lists the messages supported by the Cheetah 15K.5 SCSI family drives. Table 7: SCSI messages supported by Cheetah 15K.5 SCSI family drives Message name Abort
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 52
    (C3h) Firmware Numbers page (C0h) Implemented Operating Def page (81h) Jumper Settings page (C2h) Supported Vital Product Data page (00h) Unit Serial Number page (80h) Command code 40h 39h 18h 3Ah 04h 12h Supported by SCSI-2/3 N N N N Y N Y Y Y Y Y N Y Y Y Y Y Y Y Y 46 Cheetah 15K.5 SCSI Product
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 53
    Table 8: Commands supported by Cheetah 15K.5 SCSI family drive (Continued) Command name Lock-unlock (1Ah) Command code 36h 4Ch 4Dh 15h 55h 1Ah Supported by SCSI-2/3 N Y Y N Y Y N N N Y Y Y N Y Y N N Y Y Y N Y Y Y Y Y Y [2] Y Y [2] Y Y Y Y Y Y Y N Y Y Cheetah 15K.5 SCSI Product Manual, Rev. J 47
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 54
    Diagnostics Supported Diagnostics pages (00h) Command code 5Ah 34h 08h 3Ch 25h 37h B7h 28h 3Eh 07h 1Ch 17h 57h 03h 16h 56h 01h 31h 30h 32h 0Bh 2Bh 1Dh Supported by SCSI-2/3 Y Y Y N Y N Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y N Y Y N Y N N N Y Y Y Y 48 Cheetah 15K.5 SCSI Product Manual, Rev
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    8: Commands supported by Cheetah 15K.5 SCSI family drive (Continued) Command name Translate page (40h) Set Limits Start Unit/Stop Unit (spindle ceases rotating) Synchronize Cache Test Unit Ready Verify BYTCHK bit Write Write and Verify DPO bit Write Buffer (modes 0, 2, supported) Firmware Download
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 56
    by setting the Inquiry command EVPD bit to one. The SCSI Commands Reference Manual lists the Vital Product Data pages and describes their formats. A separate Inquiry command must be sent to the drive for each Vital Product Data page the initiator wants the drive to send back. 50 Cheetah 15K.5 SCSI
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 57
    SAV = Current saved value. DEF = Default value. Standard drives are shipped configured this way. CHG= Changeable bits; indicates if current and saved values are changeable. Note. Saved values for OEM drives are normally the same as the default values. Cheetah 15K.5 SCSI Product Manual, Rev. J 51
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 58
    0f 00 00 00 CHG 80 06 f7 40 0f 00 00 00 READ CAPACITY DATA 22 ec b2 5b 00 00 02 00 52 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 59
    00 0f 00 00 00 CHG 80 06 f7 40 0f 00 00 00 READ CAPACITY DATA 11 17 73 2f 00 00 02 00 Cheetah 15K.5 SCSI Product Manual, Rev. J 53
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 60
    0f 00 00 00 CHG 80 06 f7 40 0f 00 00 00 READ CAPACITY DATA 08 8b b9 97 00 00 02 00 54 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 61
    Reset Condition Segmented Caching Synchronous Data Transfer Zero Latency Read Supported Y Y Y Y Y Y Y Y N Status Good Check Condition Condition Met/Good Busy Intermediate/Good Intermediate/Condition Met/Good Reservation Conflict Queue Full ACA Active Cheetah 15K.5 SCSI Product Manual, Rev. J 55
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 62
    , drive select headers, and option select headers. Details of the physical, electrical and logical characteristics are given in sections following, while the SCSI operational aspects of Seagate drive interfaces are given in the Parallel SCSI Interface Manual. 56 Cheetah 15K.5 SCSI Product Manual
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    480424-0 Contacts (20-14 AWG) AMP 60619-4 (Loose Piece) AMP 61117-4 (Strip) LC model drives receive power through the 80-pin I/O connector. See Tables 19 and 20. J1 Pin 1 Pin 13. LW model drive physical interface (68-pin J1 SCSI I/O connector) Cheetah 15K.5 SCSI Product Manual, Rev. J 57
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    be enabled by installation of a jumper plug (TE) on the device. support the DC current needs of several drives, so no cables beyond the bulkhead connectors should be used. A single drive connected via a cable to a host 80-pin I/O connector is not recommended. 58 Cheetah 15K.5 SCSI Product Manual
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 65
    on drives that plug drives, installations with connectors on cables are not recommended. 10.6.4 Mating connectors Part numbers for the different type connectors that mate with the various Cheetah 15K.5 SCSI I/O connectors are given in the sections following. Cheetah 15K.5 SCSI Product Manual
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 66
    connector mate properly, both drive connector and host equipment mating connector must meet the provisions of "SFF-8451 Specification for SCA-2 Unshielded Connections." To obtain this specification, visit the following web site: www.sffcommittee.org 60 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 67
    Hot plug version (with ground guide-pin) 787311-1 with polarization 787311-2 without polarization Right-angle to PCBA connectors Seagate P/N: 77678559 Amp US P/N: 2-557101-1 Amp Japan P/N: 5-175474-9 For additional information call Amp FAX service at 1-800-522-6752. "LW" Model Drive Terminator
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 68
    .71) .840 - .005 (21.34) Pos. 2 .767 (19.48) .083 +-.0.00012dia (2.1) Trifurcated Pins (4 places) Figure 16. Nonshielded 68-pin SCSI device connector used on LW drives 62 Cheetah 15K.5 SCSI Product Manual, Rev. J
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    1 1.27 (.05) Typ X CL of Datum Y Pin 40 Grounding Pins Pin 41 Pin 80 Figure 17. Nonshielded 80-pin SCSI SCA-2 connector used on LC drives Back View Cheetah 15K.5 SCSI Product Manual, Rev. J 63
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    GND GND TermPwr TermPwr Reserved GND -ATN GND -BSY -ACK -RST -MSG -SEL -C/D -REQ -I/O -DB8 -DB9 -DB10 -DB11 Notes [ ]: See page following Table 20. 64 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 71
    -DB2 -DB3 -DB4 -DB5 -DB6 -DB7 -DBP Ground Ground TermPwr TermPwr Reserved Ground -ATN Ground -BSY -ACK -RST -MSG -SEL -C/D -REQ -I/O -DB8 -DB9 -DB10 -DB11 Cheetah 15K.5 SCSI Product Manual, Rev. J 65
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    GND GND GND MATED 2 5 V GND 5 V GND ACTIVE LED OUT [4] [9] DLYD-START [6] [9] [12] SCSI ID (1) [7] [9] [12] SCSI ID (3) [7] [9] [12] Notes [ ]: See page following Table 20. 66 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 73
    +DP1 +DB15 +DB14 +DB13 +DB12 MATED 2 5 V GND 5 V GND ACTIVE LED OUT [4] [9] DLYD_START [6] [9] [12] SCSI ID (1) [7] [9] [12] SCSI ID (3) [7] [9] [12] Notes [ ]: See page following this table. Cheetah 15K.5 SCSI Product Manual, Rev. J 67
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 74
    for the '1' setting, grounded for the '0' setting). Alternatively, these pins may be driven by a 3.3V logic device, pulled up to 3.3V through a pull-up resistor (recommended size of 10K ohm), or grounded through some other means. 10.7 Electrical description Cheetah 15K.5 SCSI drives are multimode
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 75
    SCSI transfer rates. 10.7.1.2 Single-ended drivers/receivers The maximum total cable length allowed with drives using single-ended I/O driver and receiver circuits depends on several factors. transceiver to the connection to the mainline SCSI bus. Cheetah 15K.5 SCSI Product Manual, Rev. J 69
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 76
    drives are shown in Table 18. Single-ended I/O pin assignments for LC models are shown in Table 19. The LC model does not require an I/O cable. It is designed to connect directly to a back panel connector. 10.7.1.3 Cables for low voltage differential drivers Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 77
    to the external terminator. See Section 9.1 for illustrations that show how to place jumpers for this configuration. LC drives These drives cannot furnish terminator power because no conductors in the 80-pin I/O connector are devoted to terminator power. Cheetah 15K.5 SCSI Product Manual, Rev
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 78
    SCSI timing Table 24: Disc drive SCSI timing These values are not current Cheetah 15K.5 SCSI values, but are listed for information only. Description Command Dependent 0.98 μs 0.51 μs 4.00 μs 0.79 μs 0.04 μs 0.58 μs 0.12 μs 0.12 μs 0.12 μs 0.12 μs 72 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 79
    and a Drive. The Drive is capable of setting periods as given in Section 10.5. See also the Synchronous data transfer section and the Extended messages section of the Parallel SCSI Interface Manual for a description of synchronous data transfer operation. Cheetah 15K.5 SCSI Product Manual, Rev
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 80
    activity LED The following table provides drive activity LED status. Table 25: Drive activity LED status Spindle status Command status LED status Spinning up with DC power processed LED toggles on/off on each cylinder boundary Toggles on/off 74 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 81
    Cheetah 15K.5 SCSI Product Manual , Rev. J bytes per sector 49 C cable 57 cache 12 cache buffer 8 cache mode 12 cache operation 12 cache segments 13 caching write data 13 Canadian Department of Communications 3 capacities 9 capacity, drive 38 data block size modifing the 8
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 82
    inquiry command 50 inquiry vital product data 50 installation 39 installation guide 9 installation instructions 39 instantaneous current peak 23 integrated Ultra1/Ultra2 SCSI controller 7 interface cable length 61 interface data 11 interface requirements 45 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 83
    jumper 9, 39, 41, 42, 68 jumper function description 42 jumper header 41 jumper plug type 39 L landing zone 7 LED 74 logical block address 12 logical characteristics 56 logical segments 12 low voltage differential (LVD) drivers 3 power sequencing 24 Cheetah 15K.5 SCSI Product Manual, Rev. J 77
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 84
    system chassis 44 T technical support services 1 temperature 18, 29, 43 non-operating 29 regulation 3 See also cooling temperature sensor 18 termination 24 terminator enable jumper TE 61 terminator power 71 terminator requirements 39, 71 thermal monitor 18 Cheetah 15K.5 SCSI Product Manual, Rev. J
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 85
    14 V vibration 30, 32 vital product data 50 volatile memory 51 voltage 22, 23 W warranty 8, 20 wet bulb temperature 29 wide Ultra160 SCSI interface 6 WP jumper 42 write protect 42 write retry count 35 Z zoned bit recording (ZBR) 7 Cheetah 15K.5 SCSI Product Manual, Rev. J 79
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 86
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 87
  • Seagate ST3300655LC | Cheetah 15K.5 SCSI Product Manual - Page 88
    Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066-4544, USA Publication Number: 100384776, Rev. J
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Product Manual
Cheetah 15K.5 SCSI
100384776
Rev. J
May 2010
ST3300655LW
ST3146855LW
ST373455LW
ST3300655LC
ST3146855LC
ST373455LC