Seagate ST39204LC Product Manual

Seagate ST39204LC - Cheetah 9.2 GB Hard Drive Manual

Seagate ST39204LC manual content summary:

  • Seagate ST39204LC | Product Manual - Page 1
    Cheetah 18XL Family: ST318404LW/LC ST39204LW/LC Product Manual, Volume 1
  • Seagate ST39204LC | Product Manual - Page 2
  • Seagate ST39204LC | Product Manual - Page 3
    Cheetah 18XL Family: ST318404LW/LC ST39204LW/LC Product Manual, Volume 1
  • Seagate ST39204LC | Product Manual - Page 4
    LLC. Cheetah, SeaFAX, SeaFONE, SeaBOARD, and SeaTDD are either trademarks or registered trademarks of Seagate Technology LLC. Other product names are registered trademarks or trademarks of their owners. Seagate reserves the right to change, without notice, product offerings or specifications. No
  • Seagate ST39204LC | Product Manual - Page 5
    51-54. Notice. Product Manual 75789506 is Volume 1 of a two-volume document with the SCSI interface information in the SCSI Interface Product Manual, Volume 2, part number 75789509. If you need the SCSI interface information, order the SCSI Interface Product Manual, Volume 2, part number 75789509
  • Seagate ST39204LC | Product Manual - Page 6
  • Seagate ST39204LC | Product Manual - Page 7
    Preventive maintenance 15 5.2.4 Service life 15 5.2.5 Service philosophy 15 5.2.6 Service tools 15 5.2.7 Hot plugging Cheetah 18XL disc drives 15 5.2.8 S.M.A.R.T 16 5.2.9 Drive Self Test (DST 17 5.2.10 Product warranty 19 6.0 Physical/electrical specifications 21 6.1 AC power requirements
  • Seagate ST39204LC | Product Manual - Page 8
    SCSI interface cable requirements 58 9.6.4 Mating connectors 59 9.7 Electrical description 67 9.7.1 Multimode-SE and LVD alternatives 67 9.8 Terminator requirements 69 9.9 Terminator power 69 9.10 Disc drive SCSI timing 70 9.11 Drive activity LED 71 10.0 Seagate Technology support services
  • Seagate ST39204LC | Product Manual - Page 9
    Cheetah 18XL Product Manual jumper header (on LW models only 39 J2 option select header 40 Air flow (suggested 42 LW model drive physical interface (68-pin J1 SCSI I/O connector 57 LC model drive physical interface (80-pin J1 SCSI I/O connector 57 SCSI daisy chain interface cabling for LW drives
  • Seagate ST39204LC | Product Manual - Page 10
  • Seagate ST39204LC | Product Manual - Page 11
    Cheetah 18XL Product Manual, Rev. G 1 1.0 Scope This manual describes Seagate Technology® LLC Cheetah 18XL™ disc drives. Cheetah 18XL drives support the Small Computer System Interface (SCSI) as described in the ANSI SCSI interface specifications to the extent described in this manual. The SCSI
  • Seagate ST39204LC | Product Manual - Page 12
    2 Cheetah 18XL Product Manual, Rev. G
  • Seagate ST39204LC | Product Manual - Page 13
    Cheetah 18XL family complies with Seagate standards as noted in the appropriate sections of this Manual and the Seagate SCSI Interface Product Manual, part number 75789509. The Cheetah 18XL disc drive that the drive meets the appropriate EMI requirements in their system. Shielded I/O cables may be
  • Seagate ST39204LC | Product Manual - Page 14
    of Standards, Metrology, and Inspection (BSMI). 2.3 Reference documents Cheetah 18XL Installation Guide Seagate P/N 75789507 Safety and Regulatory Agency Specifications Seagate P/N 75789512 SCSI Interface Product Manual Seagate P/N 75789509 Applicable ANSI Small Computer System Interface
  • Seagate ST39204LC | Product Manual - Page 15
    discs. The drive supports the Small Computer System Interface (SCSI) as described in the ANSI SCSI interface specifications to the extent described in this manual (Volume 1), which defines the product performance characteristics of the Cheetah 18XL family of drives, and the SCSI Interface Product
  • Seagate ST39204LC | Product Manual - Page 16
    6 Cheetah 18XL Product Manual, Rev. G A high-performance actuator assembly with a low-inertia, balanced, patented, straight-arm design provides excellent performance with minimal power dissipation. Figure 2. Cheetah 18XL family drive
  • Seagate ST39204LC | Product Manual - Page 17
    low voltage differential (LVD) • 16 bit I/O data bus • Asynchronous and synchronous data transfer protocol • Firmware downloadable via SCSI interface • Selectable even byte sector sizes from 512 to 4,096 bytes/sector • Programmable sector reallocation scheme • Flawed sector reallocation at format
  • Seagate ST39204LC | Product Manual - Page 18
    of LBAs is rounded down to the maximum capacity. 3.7 Factory installed accessories OEM Standard drives are shipped with the Cheetah 18XL Installation Guide, part number 75789507, and the Safety and Regulatory Agency Specifications, part number 75789512, unless otherwise specified. The factory
  • Seagate ST39204LC | Product Manual - Page 19
    Cheetah 18XL Product Manual, Rev. G 9 4.0 Performance characteristics 4.1 Internal drive characteristics (transparent to user) Drive capacity [3] Max. [3] 26 MByte/sec 33 MByte/sec 40 MByte/sec SCSI interface data transfer rate (asynchronous): Maximum instantaneous one byte wide Maximum
  • Seagate ST39204LC | Product Manual - Page 20
    Start Command can also be used to command the drive to stop the spindle (see SCSI Interface Product Manual, part number 75789509). There is no power control switch on the drive. 4.4 Prefetch/multi-segmented cache control The drive provides prefetch (read look-ahead) and multi-segmented cache
  • Seagate ST39204LC | Product Manual - Page 21
    14 and 15) no new segment size is set up by the drive, and if the STRICT bit in Mode page 00h (byte 2, bit 1) is set to one, the drive responds as it does for any attempt to change unchangeable parameters (see SCSI Interface Product Manual, part number 75789509). The drive supports operation of any
  • Seagate ST39204LC | Product Manual - Page 22
    12 Cheetah 18XL Product Manual, Rev. G The Synchronize Cache command may be used to force the drive to write all cached write 10 and 11). During a prefetch operation, the drive crosses a cylinder boundary to fetch more data only if the Discontinuity (DISC) bit is set to one in bit 4 of byte 2 of
  • Seagate ST39204LC | Product Manual - Page 23
    . 5.1 Error rates The error rates stated in this specification assume the following: • The drive is operated per this specification using DC power as defined in this manual (see Section 6.2). • The drive has been formatted with the SCSI FORMAT command. • Errors caused by media defects or
  • Seagate ST39204LC | Product Manual - Page 24
    for MTBF calculations. Refer to the SCSI Interface Product Manual, part number 75789509, for Request Sense information. 5.2 Reliability and service You can enhance the reliability of Cheetah 18XL disc drives by ensuring that the drive receives adequate cooling. Section 6.0 provides temperature
  • Seagate ST39204LC | Product Manual - Page 25
    drive HDA. In order to achieve the above service life, repairs must be performed only at a properly equipped and staffed service and repair facility. Troubleshooting being changed Seagate Cheetah 18XL disc drives support all four and receivers on the same SCSI bus since the common mode voltages
  • Seagate ST39204LC | Product Manual - Page 26
    firmware will monitor specific attributes for degradation over time but cannot predict instantaneous drive failures. Each attribute has been selected to monitor a specific set failure. The drive will measure and save parameters once every two hours subject to an idle period on the SCSI bus. The
  • Seagate ST39204LC | Product Manual - Page 27
    Cheetah 18XL Product Manual, Rev. G 17 not exceed the threshold before the interval expires, it reports a fault condition. If the drive fails the test, remove it from service and return it to Seagate for service. 5.2.9.1 DST Failure Definition The drive will present a "diagnostic failed" condition
  • Seagate ST39204LC | Product Manual - Page 28
    5, 6, and 7. Refer to the SCSI Interface Product Manual, part number 75789509, for additional information new parameter block will be initialized as follows: 1. The Function Code field is set to the same value as sent in the DST command 2. The Self-Test Results Value field is set to Fh 3. The drive
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    Cheetah 18XL Product Manual, Rev. G 19 5.2.9.2.5 Abort There are several ways to abort a diagnostic. You can use a SCSI applicable specifications will be repaired or replaced, at Seagate's option Seagate customer service centers are the only facilities authorized to service Seagate drives. Seagate
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    20 Cheetah 18XL Product Manual, Rev. G
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    Manual, Rev. G 21 6.0 Physical/electrical specifications This section provides information relating to the physical and electrical characteristics of the Cheetah 18XL drive. 6.1 AC power requirements None. 6.2 DC power requirements The voltage and current requirements for a single drive
  • Seagate ST39204LC | Product Manual - Page 32
    does not require power sequencing. The drive protects against inadvertent writing during power-up and down. Daisy-chain operation requires that power be maintained on the SCSI bus terminator to ensure proper termination of the peripheral I/O cables. To automatically delay motor start based on the
  • Seagate ST39204LC | Product Manual - Page 33
    Cheetah 18XL Product Manual, Rev. G 23 +12 Volt Current during spindle start - Typical Amperes 3.0 2.5 AC Envelope 2.0 Nominal (average) A DC curve 1.5 1.0 0.5 0.0 T T2 T4 T1 T3 T5 0.0 2 4 6 8 10 12 14 16 18 20 Seconds Figure 3. Typical ST318404 drive +12 V current
  • Seagate ST39204LC | Product Manual - Page 34
    24 Cheetah 18XL Product Manual, Rev. G +5 Volt Current during spindle start - Typical Amperes 1.2 1.0 0.8 0.6 A Nominal (average) DC curve 0.4 0.2 0.0 0.0 2 4 6 8 10 12 14 16 Seconds Figure 5. Typical ST318404 drive +5 V current profile 18 20 +5 Volt Current during spindle
  • Seagate ST39204LC | Product Manual - Page 35
    Cheetah 18XL Product Manual, Rev. G 25 6.3 Power dissipation ST318404 For drives using single-ended interface circuits, typical power dissipation under idle conditions is 8.5 watts (29.0 BTUs per hour). For drives using low voltage differential interface circuits, typical power dissipation under
  • Seagate ST39204LC | Product Manual - Page 36
    26 Cheetah 18XL Product Manual, Rev. G ST39204 For drives using single-ended interface circuits, typical power dissipation under idle conditions is 7.0 watts (23.8 BTUs per hour). For drives using low voltage differential interface circuits, typical power dissipation under idle conditions is 7.0
  • Seagate ST39204LC | Product Manual - Page 37
    Cheetah 18XL Product Manual, Rev. G 27 6.4 Environmental limits Temperature and humidity values experienced by the drive must be such that condensation does not occur on any drive part. Altitude and atmospheric pressure specifications temperatures (°C) to meet MTBF spec.[3] HDA [3] 65 50 U2
  • Seagate ST39204LC | Product Manual - Page 38
    28 Cheetah 18XL Product Manual, Rev. G b. Non-operating -40° to 158°F (-40° to 70°C) package ambient with a maximum gradient of 36°F (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 .5"
  • Seagate ST39204LC | Product Manual - Page 39
    Cheetah 18XL Product Manual, Rev. G 29 6.4.4 Shock and vibration Shock and vibration limits specified in this document are measured directly on the drive chassis. If the drive refer to Seagate specifications 30190-001 (under 100 lbs/45 kg) or 30191-001 (over 100 lbs/45 Kg). Package size
  • Seagate ST39204LC | Product Manual - Page 40
    30 Cheetah 18XL Product Manual, Rev. G Z Y X X Z Y Figure 12. Recommended mounting
  • Seagate ST39204LC | Product Manual - Page 41
    Cheetah 18XL Product Manual, Rev. G 31 6.4.4.2 Vibration a. Operating - Normal The drive as installed for normal ISO 7779 specification. There will not be any discrete tones more than 10 dB above the masking noise on typical drives when measured according to Seagate specification 30553-001.
  • Seagate ST39204LC | Product Manual - Page 42
    32 Cheetah 18XL Product Manual, Rev. G 6.5 Mechanical specifications The following nominal holes are 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) R with minimum
  • Seagate ST39204LC | Product Manual - Page 43
    Cheetah 18XL Product Manual, Rev. G 33 S // T -Z- [1] L H K -ZJ A -Z- M B R N -Z- -X- C Notes: [1] Mounting holes are 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)
  • Seagate ST39204LC | Product Manual - Page 44
    34 Cheetah 18XL Product Manual, Rev. G
  • Seagate ST39204LC | Product Manual - Page 45
    Cheetah 18XL Product Manual, Rev. G 35 7.0 Defect and error management The drive, as delivered, complies with this specification. The read error rate and specified storage capacity are not dependent upon use of defect management routines by the host (initiator). Defect and error management in
  • Seagate ST39204LC | Product Manual - Page 46
    error rate which may exceed the value given in this product manual. A setting of zero (0) will result in the drive not performing error recovery. For example, suppose the Read/Write Recovery page has the RC bit set to 0, read retry count set to 4, and the recovery time limit field (Mode Sense page
  • Seagate ST39204LC | Product Manual - Page 47
    jumpers are changed after power has been applied, recycle the drive power to make the new settings effective. • Installation instructions are provided by host system documentation or with any additionally purchased drive installation software. If necessary see Section 10 for Seagate support services
  • Seagate ST39204LC | Product Manual - Page 48
    38 Cheetah 18XL Product Manual, Rev. G Drive Front Jumper Plug (enlarged to show detail) J6 [1][5] Pin 1 Reserved LR E D E S A3 A2 A1A0 SCSI ID = 0 (default) SCSI ID = 1 SCSI ID = 2 SCSI ID = 3 SCSI ID = 4 SCSI ID = 5 SCSI ID = 6 SCSI ID = 7 [2] SCSI ID = 8 SCSI ID = 9 SCSI ID
  • Seagate ST39204LC | Product Manual - Page 49
    Cheetah 18XL Product Manual, Rev. G 39 Drive HDA (rear view, PCB facing downward) Pin 1 +5V Ground J5 Pin 1 [1] [2] 4P 3P 2P 1P [2] J1-DC Power 68 Pin SCSI I/O Connector J1 SCSI ID = 0 SCSI ID = 1 SCSI ID = 2 SCSI ID = 3 SCSI ID = 4 SCSI ID = 5 SCSI ID = 6 SCSI ID = 7 SCSI ID = 8 SCSI
  • Seagate ST39204LC | Product Manual - Page 50
    40 Cheetah 18XL Product Manual, Rev. G J2 Pin 1 RR Jumper S D M W P E E T Positions E S E P D S S P Force single-ended bus mode Delay Motor Start [2] Enable Remote Motor Start Write Protect Parity Disable *Additional notes on these functions in section 8.1.2. Reserved Term. Power to SCSI
  • Seagate ST39204LC | Product Manual - Page 51
    . TP1 (Does not apply to "LC" model) Off The drive does not supply terminator power to external terminators or to the SCSI bus I/O cable. On Drive supplies power to SCSI bus I/O cable. When drives have differential I/O circuits, a jumper on the TP1 position may be needed to power external
  • Seagate ST39204LC | Product Manual - Page 52
    42 Cheetah 18XL Product Manual, Rev. G 8.2 Drive orientation The balanced rotary arm actuator design of the drive allows it to be mounted in any orientation. All drive performance characterization, however, has been done with the drive in horizontal (discs level) and vertical (drive on its side)
  • Seagate ST39204LC | Product Manual - Page 53
    known force (F) is applied to the fourth point. Note. Before mounting the drive in any kind of 3.5-inch to 5.25-inch adapter frame, verify with Seagate Technology that the drive can meet the shock and vibration specifications given herein while mounted in such an adapter frame. Adapter frames that
  • Seagate ST39204LC | Product Manual - Page 54
    44 Cheetah 18XL Product Manual, Rev. G
  • Seagate ST39204LC | Product Manual - Page 55
    or in the Seagate SCSI Interface Product Manual, part number 75789509. 9.2 SCSI interface messages supported Table 5 lists the messages supported by the SCSI-2 and SCSI-3 modes of the Cheetah 18XL family drives. Table 5: SCSI messages supported by Cheetah 18XL family drives Message name Abort
  • Seagate ST39204LC | Product Manual - Page 56
    unit [1] DPRY bit supported DCRT bit supported STPF bit supported IP bit supported DSP bit supported IMMED bit supported VS (vendor specific) Inquiry Date code page (C1h) Firmware numbers page (C0h) Implemented operating def page (81h) Jumper settings page (C2h) Supported Vital product data page
  • Seagate ST39204LC | Product Manual - Page 57
    Manual, Rev. G 47 Table 6: Commands supported by Cheetah 18XL family drive supported) Read capacity Read defect data (10) Read defect data (12) Read extended DPO bit supported FUA bit supported Read long Reassign blocks Receive diagnostic results Supported Supported by SCSI-2/3 Y Y [2] Y Y [2] Y Y Y Y Y
  • Seagate ST39204LC | Product Manual - Page 58
    48 Cheetah 18XL Product Manual, Rev. G Table 6: Commands supported by Cheetah 18XL family drive (Continued) Command name Seek Seek extended Send diagnostics Supported diagnostics pages (00h) Translate page (40h) Set limits Start unit/stop unit (spindle ceases rotating) (1Ch) Synchronize cache
  • Seagate ST39204LC | Product Manual - Page 59
    . G 49 Table 7 lists the Standard Inquiry command data that the drive should return to the initiator per the format given in the SCSI Interface Product Manual, part number 75789509, Inquiry command section. Table 7: Cheetah 18XL family drive Standard Inquiry data Bytes Data (HEX) 0-15 16-31 00
  • Seagate ST39204LC | Product Manual - Page 60
    values, Current values and Changeable values. Default values are hard coded in the drive firmware that is stored in flash EPROM nonvolatile memory on the drive PCBA. Default values can be changed only by downloading a complete set of new firmware into the flash EPROM. An initiator can request and
  • Seagate ST39204LC | Product Manual - Page 61
    40 Read capacity data 02 22 EE 55 00 00 02 00 [1] Though byte 12, bit 7 (A0) is shown as changeable, the FSW function governed by that bit is not implemented by this drive. [2] Page 0, Byte 2, Bit 7 is defined as the Performance Mode (PM) bit. When set to zero (Server mode), the SCSI firmware is
  • Seagate ST39204LC | Product Manual - Page 62
    52 Cheetah 18XL Product Manual, Rev. G mode), the SCSI firmware is performance optimized for desktop applications. The firmware default condition for the PM bit is set to one for Desktop mode. During the manufacturing process, the Saved value of the PM bit remains set to the firmware default
  • Seagate ST39204LC | Product Manual - Page 63
    40 Read capacity data 01 11 77 2A 00 00 02 00 [1] Though byte 12, bit 7 (A0) is shown as changeable, the FSW function governed by that bit is not implemented by this drive. [2] Page 0, Byte 2, Bit 7 is defined as the Performance Mode (PM) bit. When set to zero (Server mode), the SCSI firmware is
  • Seagate ST39204LC | Product Manual - Page 64
    54 Cheetah 18XL Product Manual, Rev. G mode), the SCSI firmware is performance optimized for desktop applications. The firmware default condition for the PM bit is set to one for Desktop mode. During the manufacturing process, the Saved value of the PM bit remains set to the firmware default
  • Seagate ST39204LC | Product Manual - Page 65
    Cheetah 18XL Product Manual, Rev. G 55 9.4 SCSI bus conditions and miscellaneous features supported Asynchronous SCSI bus conditions supported by the drive are listed below. These conditions cause the SCSI device to perform certain actions and can alter the SCSI bus phase sequence. Other
  • Seagate ST39204LC | Product Manual - Page 66
    logical characteristics are given in sections following, while the SCSI operational aspects of Seagate drive interfaces are given in the SCSI Interface Product Manual, part number 75789509. 9.6.1 DC cable and connector ST318404LW drives receive DC power through a 4 pin connector (see Figure 21
  • Seagate ST39204LC | Product Manual - Page 67
    Cheetah 18XL Product Manual, Rev. G 57 J1 Pin 1 Pin Power 1P +12V 2P +12V ret 3P + 5V ret 4P + 5V J5 Pin 1 J1-DC Power 4P 3P 2P 1P PCBA J5 Pin 1 J1 Pin 1 J1-DC Power Pin 1P 68 Pin SCSI I/O Connector J2 J6 Figure 19. LW model drive physical interface (68-pin J1
  • Seagate ST39204LC | Product Manual - Page 68
    A single drive connected via a cable to a host 80-pin I/O connector is not recommended. Table 12 shows the interface transfer rates supported by the various drive models defined in this manual. Table 12: Interface transfer rates supported Interface type/ drive models SE ST318404LW/LC ST39204LW/LC
  • Seagate ST39204LC | Product Manual - Page 69
    (1.27 mm) mils apart (see Figure 23). I/O connection using a cable is not recommended. The length and size of the host equipment DC power carrying conductors from the DC power source to the host equipment 80-pin disk drive interface connector(s) should be strictly designed according to proper power
  • Seagate ST39204LC | Product Manual - Page 70
    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 Note. Do not
  • Seagate ST39204LC | Product Manual - Page 71
    Cheetah 18XL Product Manual, Rev. G 61 .155 1.650 .050 .022 3.650±.005 .346 .270 .3937 .0787 .020 .600 .200 .047 .100 (2.54) . 005 (21.34) Pos. 2 .767 (19.48) .083 +.001 -.002 dia (2.1) Trifurcated Pins (4 places) Figure 22. Nonshielded 68 pin SCSI device connector used on LW drives
  • Seagate ST39204LC | Product Manual - Page 72
    62 Cheetah 18XL Product Manual, Rev. G 7.00 (.276) Grounding Pins 57.87 0 (2.278) -0.15 [ + - .000 .006 [ 0.15 M Y M -Y- CL of Datum Y Pin 1 05) Typ X CL of Datum Y Pin 40 Pin 41 Pin 80 Figure 23. Nonshielded 80 pin SCSI "SCA-2" connector, used on LC drives Grounding Pins Back View
  • Seagate ST39204LC | Product Manual - Page 73
    Cheetah 18XL Product Manual, Rev. G 63 Table 13: LW 68-conductor single-ended (SE) P cable signal/pin assignments [11] Note. A 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Cable conductor number [2] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
  • Seagate ST39204LC | Product Manual - Page 74
    64 Cheetah 18XL Product Manual, Rev. G Table 14: LW 68-conductor LVD P cable signal/pin assignments [11] Note. A minus sign 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Cable conductor number [2] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
  • Seagate ST39204LC | Product Manual - Page 75
    Cheetah 18XL Product Manual, Rev. G 65 Table 15: LC 80-pin single-ended -DB5 -DB4 -DB3 -DB2 -DB1 -DB0 -DP1 -DB15 -DB14 -DB13 -DB12 +5 V +5 V +5 V NC [10] RMT-START [5] [9] SCSI ID (0) [7] [9] SCSI ID (2) [7] [9] Connector contact number [3] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
  • Seagate ST39204LC | Product Manual - Page 76
    66 Cheetah 18XL Product Manual, Rev. G Table 16: LC 80-pin single-ended ( -DB4 -DB3 -DB2 -DB1 -DB0 -DBP1 -DB15 -DB14 -DB13 -DB12 +5 V +5 V +5 V CHARGE NC [10] RMT_START [5] [9] SCSI ID (0) [7] [9] SCSI ID (2) [7] [9] Connector contact number [3] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
  • Seagate ST39204LC | Product Manual - Page 77
    to set up SCSI bus ID in drive. [8] GND provides a means for differential devices to detect the presence of a single ended device on the bus. Drive will not operate I/O bus at Ultra2 SCSI data rates if this is grounded. [9] Signals [4] through [7] are used in place of installing jumpers and cables
  • Seagate ST39204LC | Product Manual - Page 78
    Cheetah 18XL Product Manual shall have the following input characteristics when measured at the disk drive connector: Steady state Low level output voltage* = 0.030 be measured between the output terminal and the SCSI device's logic ground reference. Input characteristics shall additionally
  • Seagate ST39204LC | Product Manual - Page 79
    Cheetah 18XL Product Manual, Rev. G 69 9.7.1.1 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. Table 17 lists the maximum lengths allowed for different configurations of drive usage.
  • Seagate ST39204LC | Product Manual - Page 80
    70 9.10 Disc drive SCSI timing Table 18: Disc drive SCSI timing Description Target Select Time (no .3 T23.10.4 T23.10.5 T23.10.6 T23.10.7 T23.10.8 T23.10.9 T23.10.10 Cheetah 18XL Product Manual, Rev. G Waveform table [1] N/A 4.5-1,2 4.5-1 4.5-2 4.5-3 4.5-5 4.5-9 4.5-10 4.5-10 4.5-6 4.5-6,14
  • Seagate ST39204LC | Product Manual - Page 81
    Cheetah 18XL Product Manual, Rev. G 71 Table 18: Disc drive SCSI Drive. The Drive is capable of setting periods as given in Section 9.5. See also the Synchronous data transfer section and the Extended messages section of the SCSI Interface Product Manual Read Buffer SCSI Bus Spun up SCSI Bus Reset
  • Seagate ST39204LC | Product Manual - Page 82
    72 Cheetah 18XL Product Manual, Rev. G
  • Seagate ST39204LC | Product Manual - Page 83
    troubleshooting tips and specifications for disc drives and tape drives 24 hours daily. International callers can reach this service by dialing +1-405-936-1234. SeaFAX® (1-800-SEAGATE) is Seagate's automated FAX delivery system. Using a touch-tone phone, you can obtain technical support information
  • Seagate ST39204LC | Product Manual - Page 84
    74 Cheetah 18XL Product Manual, Rev. G Customer Service (CSO) Warranty Service Seagate offers worldwide customer support for Seagate drives. Seagate direct OEM, Distribution and System Integrator customers should contact their Seagate service center representative for warranty information. Other
  • Seagate ST39204LC | Product Manual - Page 85
    Cheetah 18XL Product Manual, Rev. G 75 Spain Sweden Switzerland Turkey United Kingdom 900-98 31 24 0 207 90 073 0 800-83 84 11 00 800-31 92 91 40 0 800-783 5177 Fax Services-All European Countries Presales/Technical Support/Warranty Service 31-20-653-3513 Africa/Middle East Support Services For
  • Seagate ST39204LC | Product Manual - Page 86
    76 Cheetah 18XL Product Manual, Rev. G
  • Seagate ST39204LC | Product Manual - Page 87
    Cheetah 18XL Product Manual SCSI documents 4 arbitration priority 60 asynchronous interface transfer rate 71 audible noise 3 Australia/New bytes/track 9 C cabinet cooling 42 cable 56 cache 10, 11, 12 3 capacities 8 capacity, drive, requirements 21 current value 50 cylinder boundary 12 D daisy-chain
  • Seagate ST39204LC | Product Manual - Page 88
    /reconnect 11 control 11 specification 11 discontinuity (DISC) bit 12 DRA bit 12 drive 31 drive activity 67 drive activity LED 71 drive capacity 9 programmable 8 drive default mode parameter 37 drive failure 14 drive firmware 50 drive ID 37 drive ID select jumper connector 37 drive ID/option select
  • Seagate ST39204LC | Product Manual - Page 89
    Cheetah 18XL Product Manual host/drive operational guide 4, 8 installation instructions 37 instantaneous current peak 21 integrated Ultra1/Ultra2 SCSI controller 7 interface cable cable connector 59 maximum current requirements 22 maximum operating current 21 maximum starting current 21 ME jumper
  • Seagate ST39204LC | Product Manual - Page 90
    size 29 package test specification 4 packaged 29 parity 41 parity checking 41 parity error 41 partition or logical drive 37 PCB 15, 40, 42 temperature 27 PCBA 37, 43, 50, 56, 58, 60 PCBA circuit run 58 PD jumper 10, 12 prefetch ceiling field 12 Cheetah 18XL Product Manual, Rev. G prefetch data 12
  • Seagate ST39204LC | Product Manual - Page 91
    interface cable 58 SCSI interface commands supported 46 SCSI interface connector 56 SCSI interface data 9 SCSI Interface Product Manual 1, 3, 4, 5 SCSI systems error 36 SCSI systems error consideration 35 SCSI systems error management 36 SCSI Ultra160 implementation 50 SE 67 Seagate support service
  • Seagate ST39204LC | Product Manual - Page 92
    82 wide Ultra160 SCSI interface 5 WP jumper 41 wrap-around 11 write caching 11 write error 13 unrecoverable 13 write operation 11 write protect 41 write retry count 35 Z zoned bit recording (ZBR) 7 Cheetah 18XL Product Manual, Rev. G
  • Seagate ST39204LC | Product Manual - Page 93
  • Seagate ST39204LC | Product Manual - Page 94
    Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066-4544, USA Publication Number: 75789506, Rev. G, Printed in USA
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  • 94

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Cheetah 18XL Family:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST318404LW/LC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST39204LW/LC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product Manual, Volume 1
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