Product Manual
Page 9
... configuration dimensions 33 J6 jumper header 38 J5 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...operations per second (LVD 26 Locations of Figures Cheetah 18XL family drive (ST318404LC shown 1 Cheetah 18XL family drive 6 Typical ST318404 drive +12 V current profile 23 Typical ST39204 drive +12 V current profile 23 Typical ST318404 drive +5 V current profile 24 TypicalST39204 drive +5 V current profile 24 ST318404 DC current ...
... configuration dimensions 33 J6 jumper header 38 J5 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...operations per second (LVD 26 Locations of Figures Cheetah 18XL family drive (ST318404LC shown 1 Cheetah 18XL family drive 6 Typical ST318404 drive +12 V current profile 23 Typical ST39204 drive +12 V current profile 23 Typical ST318404 drive +5 V current profile 24 TypicalST39204 drive +5 V current profile 24 ST318404 DC current ...
Product Manual
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... shows the standard OEM model capacities: ST318404 ST39204 Formatted data block size 512 bytes/sector [1] 222EE55h (18.352 GB) [2] 111772Ah (9.176 GB) [2] Notes. [1] Sector size selectable at the manufacturing facility before issuing a format command and obtain different formatted capacities...otherwise specified. 8 Cheetah 18XL Product Manual, Rev. G 3.5 Unformatted and formatted capacities Formatted capacity depends on the number of spare reallocation sectors reserved and the number of blocks field. The factory also ships with the drive a small bag of jumper plugs used for ...
... shows the standard OEM model capacities: ST318404 ST39204 Formatted data block size 512 bytes/sector [1] 222EE55h (18.352 GB) [2] 111772Ah (9.176 GB) [2] Notes. [1] Sector size selectable at the manufacturing facility before issuing a format command and obtain different formatted capacities...otherwise specified. 8 Cheetah 18XL Product Manual, Rev. G 3.5 Unformatted and formatted capacities Formatted capacity depends on the number of spare reallocation sectors reserved and the number of blocks field. The factory also ships with the drive a small bag of jumper plugs used for ...
Product Manual
Page 47
... to be used, although using remote switches. Cheetah 18XL Product Manual, Rev. Do not install these drives on single-ended (SE) or low voltage differential (LVD) busses. If jumpers are changed after power has been applied, recycle the drive power to do not cover with the standard...the system manuals for Seagate support services telephone numbers. • Do not remove the manufacturer's installed labels from the drive and do when installing a drive is shipped with additional labels, as the host adapter. Figure 17 shows the option select jumper connector for connecting the ...
... to be used, although using remote switches. Cheetah 18XL Product Manual, Rev. Do not install these drives on single-ended (SE) or low voltage differential (LVD) busses. If jumpers are changed after power has been applied, recycle the drive power to do not cover with the standard...the system manuals for Seagate support services telephone numbers. • Do not remove the manufacturer's installed labels from the drive and do when installing a drive is shipped with additional labels, as the host adapter. Figure 17 shows the option select jumper connector for connecting the ...
Product Manual
Page 48
Do not install jumpers; J6 jumper header retain cover. Figure 15. G Drive Front Jumper Plug (enlarged to pins 13-20. Drive Activity LED [4] Dashed area is optional host circuitry (external to the drive) connected to host supplied optional usage plug. [5] Do not connect anything to show detail) J6 [1][5] Pin 1 Reserved LR E D E S A3 A2 A1A0 SCSI ID = 0 (default... = 12 SCSI ID = 13 SCSI ID = 14 SCSI ID = 15 [4] Host Alternate Usage Plug: +5V [6] [5] Reserved Pins 11 9 7 5 3 1 8 642 Ground Shipped with cover installed. 38 Cheetah 18XL Product Manual, Rev.
Do not install jumpers; J6 jumper header retain cover. Figure 15. G Drive Front Jumper Plug (enlarged to pins 13-20. Drive Activity LED [4] Dashed area is optional host circuitry (external to the drive) connected to host supplied optional usage plug. [5] Do not connect anything to show detail) J6 [1][5] Pin 1 Reserved LR E D E S A3 A2 A1A0 SCSI ID = 0 (default... = 12 SCSI ID = 13 SCSI ID = 14 SCSI ID = 15 [4] Host Alternate Usage Plug: +5V [6] [5] Reserved Pins 11 9 7 5 3 1 8 642 Ground Shipped with cover installed. 38 Cheetah 18XL Product Manual, Rev.
Product Manual
Page 49
...to establish drive ID. Pins 1, 3, 5, and 7 are normally not grounded. Figure 16. J5 jumper header (on LW models only) G 39 Drive HDA (rear...use jumpers as shown or connect a cable for 250 ms after a Reset or PWR ON to allow drive to... host supplied optional usage plug. SCSI ID = 15 Reserved A3 A2 A1A0 Host [4] Alternate [5] Usage Plug 11 9 7 5 3 1 +5V A0 A1 A2 A3 12 10 8 6 4 2 +5V [5] Ground [6] Drive... Activity LED [4] Dashed area is optional host circuitry (external to the drive) connected to read SCSI ID selected. They...
...to establish drive ID. Pins 1, 3, 5, and 7 are normally not grounded. Figure 16. J5 jumper header (on LW models only) G 39 Drive HDA (rear...use jumpers as shown or connect a cable for 250 ms after a Reset or PWR ON to allow drive to... host supplied optional usage plug. SCSI ID = 15 Reserved A3 A2 A1A0 Host [4] Alternate [5] Usage Plug 11 9 7 5 3 1 +5V A0 A1 A2 A3 12 10 8 6 4 2 +5V [5] Ground [6] Drive... Activity LED [4] Dashed area is optional host circuitry (external to the drive) connected to read SCSI ID selected. They...
Product Manual
Page 50
... or to SFF-8009 Revision 2.0, Unitized Connector for Cabled Drives, signal assignments for the J6 connection. reserved on LC models does not have connector J5. The PCBA on "LC" model) J2 Jumper Plug (enlarged to "LW" model only; 40 Cheetah 18XL Product Manual, Rev. See tables 15 and 16,... note 9. [3] Voltage supplied by the drive. [4] Dashed area is installed. "Off" means no jumper is factory default condition. Reserved Term. OFF or ...
... or to SFF-8009 Revision 2.0, Unitized Connector for Cabled Drives, signal assignments for the J6 connection. reserved on LC models does not have connector J5. The PCBA on "LC" model) J2 Jumper Plug (enlarged to "LW" model only; 40 Cheetah 18XL Product Manual, Rev. See tables 15 and 16,... note 9. [3] Voltage supplied by the drive. [4] Dashed area is installed. "Off" means no jumper is factory default condition. Reserved Term. OFF or ...
Product Manual
Page 51
... On Spindle starts immediately after 24 second delay, etc. RES Off Reserved jumper position. When drives have terminator circuits on the drive. These drives do not have differential I/O circuits, a jumper on the voltage state of parity checking to use single-ended I /O cable...no RES jumper installed. Default is SE jumper not installed. On Drive supplies power to the SCSI bus I /O "DIFFSNS" line. Spindle Startup is delayed by the drive is installed. Cheetah 18XL Product Manual, Rev. Drive spindle starts when Start Unit command received from host. Drive can operate...
... On Spindle starts immediately after 24 second delay, etc. RES Off Reserved jumper position. When drives have terminator circuits on the drive. These drives do not have differential I/O circuits, a jumper on the voltage state of parity checking to use single-ended I /O cable...no RES jumper installed. Default is SE jumper not installed. On Drive supplies power to the SCSI bus I /O "DIFFSNS" line. Spindle Startup is delayed by the drive is installed. Cheetah 18XL Product Manual, Rev. Drive spindle starts when Start Unit command received from host. Drive can operate...
Product Manual
Page 56
... between SCSI-1, SCSI-2, and SCSI-3 (Ultra160) modes using the Change Definition Command. Table 6: Commands supported by Cheetah 18XL family drive Command name Change definition Compare Copy Copy and verify Format 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...
... between SCSI-1, SCSI-2, and SCSI-3 (Ultra160) modes using the Change Definition Command. Table 6: Commands supported by Cheetah 18XL family drive Command name Change definition Compare Copy Copy and verify Format 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...
Product Manual
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... of ANSI Standard X3T10/1302D. A single 80-pin I /O connector is not recommended. 58 Cheetah 18XL Product Manual, Rev. In some cases, the SCSI devices at various interface transfer rates on...earlier SCSI-2 and SCSI-3 standards. Table 12: Interface transfer rates supported Interface type/ drive models SE ST318404LW/LC ST39204LW/LC LVD ST318404LW/LC ST39204LW/LC Maximum transfer rate Asynchronous ...daisy chain cables beyond the bulkhead connectors should be provided for the maximum number of a jumper plug (TE) on SE and LVD daisy chains. Implementations may be connected in a...
... of ANSI Standard X3T10/1302D. A single 80-pin I /O connector is not recommended. 58 Cheetah 18XL Product Manual, Rev. In some cases, the SCSI devices at various interface transfer rates on...earlier SCSI-2 and SCSI-3 standards. Table 12: Interface transfer rates supported Interface type/ drive models SE ST318404LW/LC ST39204LW/LC LVD ST318404LW/LC ST39204LW/LC Maximum transfer rate Asynchronous ...daisy chain cables beyond the bulkhead connectors should be provided for the maximum number of a jumper plug (TE) on SE and LVD daisy chains. Implementations may be connected in a...
Product Manual
Page 77
... for host front panel hard drive activity indicator. [5] Asserted by host to enable Motor Start option ...The conductor number refers to high voltage differential environments unless the common mode voltages in place of installing jumpers and cables on or after a delay of a single ended device on A3, A2, A1 and ...open : DB8, -DB9, -DB10, -DB11, -DB12, -DB13, -DB14, -DB15, and -DBP1. onds times drive ID). Drives must be used . Cheetah 18XL Product Manual, Rev. The Multimode signal lines (either single-ended or low voltage differential drivers/receivers (selectable using 0.025...
... for host front panel hard drive activity indicator. [5] Asserted by host to enable Motor Start option ...The conductor number refers to high voltage differential environments unless the common mode voltages in place of installing jumpers and cables on or after a delay of a single ended device on A3, A2, A1 and ...open : DB8, -DB9, -DB10, -DB11, -DB12, -DB13, -DB14, -DB15, and -DBP1. onds times drive ID). Drives must be used . Cheetah 18XL Product Manual, Rev. The Multimode signal lines (either single-ended or low voltage differential drivers/receivers (selectable using 0.025...
Product Manual
Page 79
Table 17: Cable characteristics for different configurations of the stub. All device I /O driver and receiver circuits depends on several factors. These values are from the SPI-3 document. G 69 9.7.1.1 Single-ended drivers/receivers The maximum total cable length allowed with drives using single-ended I /O lines must have equal to or less than 25 pf capacitance to ground, measured at the beginning of drive usage. Table 17 lists the maximum lengths allowed for single-ended circuits I/O transfer rate Cheetah 18XL Product Manual, Rev.
Table 17: Cable characteristics for different configurations of the stub. All device I /O driver and receiver circuits depends on several factors. These values are from the SPI-3 document. G 69 9.7.1.1 Single-ended drivers/receivers The maximum total cable length allowed with drives using single-ended I /O lines must have equal to or less than 25 pf capacitance to ground, measured at the beginning of drive usage. Table 17 lists the maximum lengths allowed for single-ended circuits I/O transfer rate Cheetah 18XL Product Manual, Rev.
Product Manual
Page 88
...jumper connector 37 drive ID/option select header 37 drive interface connector 59 drive internal 22 drive internal defects and errors 35 drive malfunction 14 drive mounting 32, 43 constraints 13 drive orientation 42 drive power 37 drive primary defects list 35 drive SCSI timing 70 drive select header 56 drive spindle 41 drive transfer 11 drive volume 37 drive warranty 15 dynamic spindle brake 7 Cheetah... 37 front panel 32 front panel LED 67 FSW function 51, 53 G GMR heads 5 gradient 28 ground return 21 grounding 43 H hard reset 50 hardware error 14 HDA 5, 15, 27, 42, 43 temperature 27
...jumper connector 37 drive ID/option select header 37 drive interface connector 59 drive internal 22 drive internal defects and errors 35 drive malfunction 14 drive mounting 32, 43 constraints 13 drive orientation 42 drive power 37 drive primary defects list 35 drive SCSI timing 70 drive select header 56 drive spindle 41 drive transfer 11 drive volume 37 drive warranty 15 dynamic spindle brake 7 Cheetah... 37 front panel 32 front panel LED 67 FSW function 51, 53 G GMR heads 5 gradient 28 ground return 21 grounding 43 H hard reset 50 hardware error 14 HDA 5, 15, 27, 42, 43 temperature 27
Product Manual
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... adapter/initiator 60 host backplane wiring 58 host equipment 43, 59 DC power 59 host I/O signal 37 host system 37 host system malfunction 13 host/drive operational interface 13 hot plug 7, 15 humidity 27, 28 I I/O connector 58 identified defect 35 idle condition 25, 26 Input characteristics 68 inquiry command 49 ...68 M magnetoresistive heads 5 mating connector 56, 59 mating flat cable connector 59 maximum current requirements 22 maximum operating current 21 maximum starting current 21 ME jumper 41 mean time between failure. G 79 head and disc assembly. Cheetah 18XL Product Manual, Rev.
... adapter/initiator 60 host backplane wiring 58 host equipment 43, 59 DC power 59 host I/O signal 37 host system 37 host system malfunction 13 host/drive operational interface 13 hot plug 7, 15 humidity 27, 28 I I/O connector 58 identified defect 35 idle condition 25, 26 Input characteristics 68 inquiry command 49 ...68 M magnetoresistive heads 5 mating connector 56, 59 mating flat cable connector 59 maximum current requirements 22 maximum operating current 21 maximum starting current 21 ME jumper 41 mean time between failure. G 79 head and disc assembly. Cheetah 18XL Product Manual, Rev.
Product Manual
Page 90
... page 49 programmable drive capacity 8 R radio interference regulations 3 Radio Research Laboratory 4 read 10 read command 10, 11, 12 read data 11 read error 13 read error rate 13, 35 read operation 11 read retry count 35 read look-ahead) 10, 12 prefetch ceiling field 12 Cheetah 18XL Product Manual,...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 41 peak bits/inch 9 peak starting current 21 performance characteristics 9 performance degradation 29 ...
... page 49 programmable drive capacity 8 R radio interference regulations 3 Radio Research Laboratory 4 read 10 read command 10, 11, 12 read data 11 read error 13 read error rate 13, 35 read operation 11 read retry count 35 read look-ahead) 10, 12 prefetch ceiling field 12 Cheetah 18XL Product Manual,...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 41 peak bits/inch 9 peak starting current 21 performance characteristics 9 performance degradation 29 ...
Product Manual
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...27, 42 ambient 27 case 27 gradient 27 non-operating 28 PCB and HDA 27 regulation 3 See also cooling termination 22 terminator enable jumper TE 60 terminator power 69 terminator requirements 37, 69 TP1 position 41 tracks/inch 9 tracks/surface, total 9 transfer period 56 transmitter receiver...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 37 sector 11 sector interleave 9 sector size 8 sector sizes 10 seek error 13 seek positioning error 13 segment 10, 11 segment ...
...27, 42 ambient 27 case 27 gradient 27 non-operating 28 PCB and HDA 27 regulation 3 See also cooling termination 22 terminator enable jumper TE 60 terminator power 69 terminator requirements 37, 69 TP1 position 41 tracks/inch 9 tracks/surface, total 9 transfer period 56 transmitter receiver...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 37 sector 11 sector interleave 9 sector size 8 sector sizes 10 seek error 13 seek positioning error 13 segment 10, 11 segment ...
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
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