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 and...
... 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 and...
Product Manual
Page 18
...drive can be ordered depending on spare reallocation scheme selected, the number of data tracks per sparing zone, and the number of jumper plugs used for the J2, J5, and J6 option select jumper headers. 3.8 Options (factory installed) All customer requested options are shipped with the Cheetah...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 than the maximum number of blocks field that the drive shall not change its capacity to...
...drive can be ordered depending on spare reallocation scheme selected, the number of data tracks per sparing zone, and the number of jumper plugs used for the J2, J5, and J6 option select jumper headers. 3.8 Options (factory installed) All customer requested options are shipped with the Cheetah...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 than the maximum number of blocks field that the drive shall not change its capacity to...
Product Manual
Page 47
... 15, 16, and 17. If jumpers are needed for the system into which the drive is not necessary to low level format this drive. A bag with the standard OEM drives. Figure 17 shows the option select jumper connector for Seagate support services telephone numbers. • ...any additionally purchased drive installation software. If necessary see Section 10 for all appropriate option jumpers for default mode parameters if they are changed after power has been applied, recycle the drive power to the drive volume. Cheetah 18XL Product Manual, Rev. These drives are not normally...
... 15, 16, and 17. If jumpers are needed for the system into which the drive is not necessary to low level format this drive. A bag with the standard OEM drives. Figure 17 shows the option select jumper connector for Seagate support services telephone numbers. • ...any additionally purchased drive installation software. If necessary see Section 10 for all appropriate option jumpers for default mode parameters if they are changed after power has been applied, recycle the drive power to the drive volume. Cheetah 18XL Product Manual, Rev. These drives are not normally...
Product Manual
Page 48
... 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) 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. Do not install jumpers; J6 jumper header G Drive Front Jumper Plug (enlarged to pins 13-20. 38 Cheetah 18XL Product Manual, Rev.
... 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) 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. Do not install jumpers; J6 jumper header G Drive Front Jumper Plug (enlarged to pins 13-20. 38 Cheetah 18XL Product Manual, Rev.
Product Manual
Page 49
... SCSI ID = 8 SCSI ID = 9 SCSI ID = 10 SCSI ID = 11 SCSI ID = 12 SCSI ID = 13 SCSI ID = 14 (default) PCB For ID selection use jumpers as shown below. 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 ... and 8 are driven low (ground) for remote switching as shown or connect a cable for 250 ms after a Reset or PWR ON to allow drive to read SCSI ID selected. Cheetah 18XL Product Manual, Rev. Figure 16. They are normally not grounded. Pins 1, 3, 5, and 7 are optional connections to switching circuits in host ...
... SCSI ID = 8 SCSI ID = 9 SCSI ID = 10 SCSI ID = 11 SCSI ID = 12 SCSI ID = 13 SCSI ID = 14 (default) PCB For ID selection use jumpers as shown below. 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 ... and 8 are driven low (ground) for remote switching as shown or connect a cable for 250 ms after a Reset or PWR ON to allow drive to read SCSI ID selected. Cheetah 18XL Product Manual, Rev. Figure 16. They are normally not grounded. Pins 1, 3, 5, and 7 are optional connections to switching circuits in host ...
Product Manual
Page 50
... header 8.1.1 Notes for figures 15, 16, and 17. [1] Notes explaining the functions of the various jumpers on these functions in Section 8.1.2. OFF or ON underlined is installed. 40 Cheetah 18XL Product Manual, Rev. reserved on 80-pin J1 I/O connector. Power to SCSI Bus (applies to... OEM units are also on "LC" model) J2 Jumper Plug (enlarged to SFF-8009 Revision 2.0, Unitized Connector for Cabled Drives, signal assignments for the J6 connection. "Off" means no jumper is optional host circuitry (external to the drive) connected to host supplied optional usage plug. [5] Do...
... header 8.1.1 Notes for figures 15, 16, and 17. [1] Notes explaining the functions of the various jumpers on these functions in Section 8.1.2. OFF or ON underlined is installed. 40 Cheetah 18XL Product Manual, Rev. reserved on 80-pin J1 I/O connector. Power to SCSI Bus (applies to... OEM units are also on "LC" model) J2 Jumper Plug (enlarged to SFF-8009 Revision 2.0, Unitized Connector for Cabled Drives, signal assignments for the J6 connection. "Off" means no jumper is optional host circuitry (external to the drive) connected to host supplied optional usage plug. [5] Do...
Product Manual
Page 51
... (Does not apply to "LC" model) Off The drive does not supply terminator power to external terminators or to host. Drive spindle starts when Start Unit command received from host. WP On Entire drive is PD jumper not installed. mentation). Cheetah 18XL Product Manual, Rev. When drives have terminator circuits on the voltage state of parity...
... (Does not apply to "LC" model) Off The drive does not supply terminator power to external terminators or to host. Drive spindle starts when Start Unit command received from host. WP On Entire drive is PD jumper not installed. mentation). Cheetah 18XL Product Manual, Rev. When drives have terminator circuits on the voltage state of parity...
Product Manual
Page 56
...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... error counter page (02h) Command code 40h 39h 18h 3Ah 04h 12h 36h 4Ch 4Dh Supported by the drive. Cheetah 18XL Family drives can be changed back and forth between SCSI-1, SCSI-2, and SCSI-3 (Ultra160) modes using the Change Definition Command. OEM standard...
...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... error counter page (02h) Command code 40h 39h 18h 3Ah 04h 12h 36h 4Ch 4Dh Supported by the drive. Cheetah 18XL Family drives can be changed back and forth between SCSI-1, SCSI-2, and SCSI-3 (Ultra160) modes using the Change Definition Command. OEM standard...
Product Manual
Page 68
... Sections 6.4 and 6.5) To minimize discontinuances and signal reflections, cables of a jumper plug (TE) on the device. Some type of external termination circuits must be considered when interconnecting the drives described in this manual in American National Standard document X3T10/1302D revision 14, and... rates supported by the host backplane wiring or PCBA circuit runs that purpose. 58 Cheetah 18XL Product Manual, Rev. G 9.6.2 SCSI interface physical description The drive models described by installation of different impedances should be enabled by this manual support single...
... Sections 6.4 and 6.5) To minimize discontinuances and signal reflections, cables of a jumper plug (TE) on the device. Some type of external termination circuits must be considered when interconnecting the drives described in this manual in American National Standard document X3T10/1302D revision 14, and... rates supported by the host backplane wiring or PCBA circuit runs that purpose. 58 Cheetah 18XL Product Manual, Rev. G 9.6.2 SCSI interface physical description The drive models described by installation of different impedances should be enabled by this manual support single...
Product Manual
Page 77
...That is designed. SE cables and termination must be measured between +0.7 V and +1.9 V, the drive interface circuits operate low voltage differential and up SCSI bus ID in place of installing jumpers and cables on or after a delay of the I /O bus at power on option select connectors...front panel hard drive activity indicator. [5] Asserted by host to enable Motor Start option (enables starting motor via SCSI bus command). [6] Asserted by host to set up to the conductor position when using the I /O circuits can operate as described above are on the bus. Cheetah 18XL ...
...That is designed. SE cables and termination must be measured between +0.7 V and +1.9 V, the drive interface circuits operate low voltage differential and up SCSI bus ID in place of installing jumpers and cables on or after a delay of the I /O bus at power on option select connectors...front panel hard drive activity indicator. [5] Asserted by host to enable Motor Start option (enables starting motor via SCSI bus command). [6] Asserted by host to set up to the conductor position when using the I /O circuits can operate as described above are on the bus. Cheetah 18XL ...
Product Manual
Page 79
These values are from the SPI-3 document. Table 17: Cable characteristics for different configurations of the stub. All device I /O transfer rate Table 17 lists the maximum lengths allowed for single-ended circuits I /O lines must have equal to or less than 25 pf capacitance to ground, measured at the beginning of drive usage. 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.
These values are from the SPI-3 document. Table 17: Cable characteristics for different configurations of the stub. All device I /O transfer rate Table 17 lists the maximum lengths allowed for single-ended circuits I /O lines must have equal to or less than 25 pf capacitance to ground, measured at the beginning of drive usage. 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.
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
Page 89
... 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 ... interface requirements 45 interface timing 13 interleave 7 internal data rate 9 J J1-auxiliary 37 jumper 8, 37, 40, 41, 67 jumper function description 41 jumper header 40 jumper plug type 37 K Korean Ministry of Korea 4 miscellaneous features 55 mode page 01 50...31 temperature 28 non-operating vibration 31 nonshielded 68 conductor connector 59 Cheetah 18XL Product Manual, Rev.
... 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 ... interface requirements 45 interface timing 13 interleave 7 internal data rate 9 J J1-auxiliary 37 jumper 8, 37, 40, 41, 67 jumper function description 41 jumper header 40 jumper plug type 37 K Korean Ministry of Korea 4 miscellaneous features 55 mode page 01 50...31 temperature 28 non-operating vibration 31 nonshielded 68 conductor connector 59 Cheetah 18XL Product Manual, Rev.
Product Manual
Page 90
...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, Rev. 80 O office environment 31 operating 28, 29, 31 operating environment 14 operating option 37 operating parameter 50 operator ...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 peripheral...
...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, Rev. 80 O office environment 31 operating 28, 29, 31 operating environment 14 operating option 37 operating parameter 50 operator ...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 peripheral...
Product Manual
Page 91
...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... product data 49 volatile memory 50 voltage 10, 21 W warranty 7, 19 wet bulb temperature 27 Cheetah 18XL Product Manual, Rev. See S.M.A.R.T. G 81 SCSI bus ID 67 SCSI bus phase sequence 55... 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 ...
...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... product data 49 volatile memory 50 voltage 10, 21 W warranty 7, 19 wet bulb temperature 27 Cheetah 18XL Product Manual, Rev. See S.M.A.R.T. G 81 SCSI bus ID 67 SCSI bus phase sequence 55... 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 ...
Product Manual
Page 92
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 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.