Product Manual
Page 7
... 3.2 Media characteristics 7 3.3 Performance 7 3.4 Reliability 7 3.5 Unformatted and formatted capacities 8 3.6 Programmable drive capacity 8 3.7 Factory installed accessories 8 3.8 Options (factory installed 8 4.0 Performance characteristics 9 4.1 Internal drive characteristics (transparent to user 9 4.2 SCSI performance characteristics (visible to user 9 ... 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 ...
... 3.2 Media characteristics 7 3.3 Performance 7 3.4 Reliability 7 3.5 Unformatted and formatted capacities 8 3.6 Programmable drive capacity 8 3.7 Factory installed accessories 8 3.8 Options (factory installed 8 4.0 Performance characteristics 9 4.1 Internal drive characteristics (transparent to user 9 4.2 SCSI performance characteristics (visible to user 9 ... 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 ...
Product Manual
Page 15
...Cheetah 18XL drives use a dedicated landing zone at the innermost radius of the media to provide high performance, high capacity data storage for details and definitions. G 5 3.0 General description Cheetah 18XL drives... /O Data buffer connector pins data bus bits size (MB) ST318404LW 6 ST318404LC 6 ST39204LW 3 ST39204LC 3 Single-ended (SE) and low 68 voltage differential (LVD) Single-ended (SE) and ...of the Cheetah 18XL family of drives, and the SCSI Interface Product Manual, part number 75789509, which describes the general interface characteristics of Seagate SCSI drives. Air ...
...Cheetah 18XL drives use a dedicated landing zone at the innermost radius of the media to provide high performance, high capacity data storage for details and definitions. G 5 3.0 General description Cheetah 18XL drives... /O Data buffer connector pins data bus bits size (MB) ST318404LW 6 ST318404LC 6 ST39204LW 3 ST39204LC 3 Single-ended (SE) and low 68 voltage differential (LVD) Single-ended (SE) and ...of the Cheetah 18XL family of drives, and the SCSI Interface Product Manual, part number 75789509, which describes the general interface characteristics of Seagate SCSI drives. Air ...
Product Manual
Page 18
... an exhaustive list of LBAs changes the total drive capacity to something less than maximum. The following table 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... pack. Users planning single unit distribution should specify this option. • The Cheetah 18XL Installation Guide, part number 75789507, is usually included with each standard OEM drive shipped, but extra copies may be ordered depending on the number of spare reallocation...
... an exhaustive list of LBAs changes the total drive capacity to something less than maximum. The following table 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... pack. Users planning single unit distribution should specify this option. • The Cheetah 18XL Installation Guide, part number 75789507, is usually included with each standard OEM drive shipped, but extra copies may be ordered depending on the number of spare reallocation...
Product Manual
Page 19
...to all models of the Cheetah 18XL family unless otherwise specified. Typical [2] Single Track - Cheetah 18XL Product Manual, Rev. G 9 4.0 Performance characteristics 4.1 Internal drive characteristics (transparent to user) Drive capacity Read/write heads Bytes/...Mbytes/sec Typical [2] Full Stroke - Typical [2] Including controller overhead (without disconnect) [1] [3] Drive level Read 5.4 0.8 10.2 Write msec 6.0 1.1 11.2 Not including controller overhead (without disconnect) [1] [3] Drive level Read 5.2 0.6 10.0 Write msec 5.8 0.9 11.0 4.2.2 Format command execution time (...
...to all models of the Cheetah 18XL family unless otherwise specified. Typical [2] Single Track - Cheetah 18XL Product Manual, Rev. G 9 4.0 Performance characteristics 4.1 Internal drive characteristics (transparent to user) Drive capacity Read/write heads Bytes/...Mbytes/sec Typical [2] Full Stroke - Typical [2] Including controller overhead (without disconnect) [1] [3] Drive level Read 5.4 0.8 10.2 Write msec 6.0 1.1 11.2 Not including controller overhead (without disconnect) [1] [3] Drive level Read 5.2 0.6 10.0 Write msec 5.8 0.9 11.0 4.2.2 Format command execution time (...
Product Manual
Page 45
...recovery procedures after factory formatting. Defect and error management in the SCSI system involves the drive internal defect/error management and SCSI systems error considerations (errors in the error recovery ...count is , reassigned to the Error Recovery Page table in the Error Recovery Mode Page. Cheetah 18XL Product Manual, Rev. At factory format time, these known defects are not dependent ...of several SCSI commands, the details of 11 levels for read error rate and specified storage capacity are also reallocated, that may involve the use of utmost importance. The "P" list is...
...recovery procedures after factory formatting. Defect and error management in the SCSI system involves the drive internal defect/error management and SCSI systems error considerations (errors in the error recovery ...count is , reassigned to the Error Recovery Page table in the Error Recovery Mode Page. Cheetah 18XL Product Manual, Rev. At factory format time, these known defects are not dependent ...of several SCSI commands, the details of 11 levels for read error rate and specified storage capacity are also reallocated, that may involve the use of utmost importance. The "P" list is...
Product Manual
Page 57
... Manual, Rev. G 47 Table 6: Commands supported by Cheetah 18XL family drive (Continued) Command name Factory log page (3Eh) Mode select (same... (03h) Information exceptions control page (1Ch) Notch and Partition Page (0Ch) Power condition page (1Ah) Rigid disc drive geometry page (04h) Unit attention page (00h) Verify error recovery page (07h) Xor Control page (10h) Mode sense...(same pages as Mode Sense 1Ah) Prefetch Read Read buffer (modes 0, 2, 3, Ah and Bh supported) Read capacity Read defect data (10) Read defect data (12) Read extended DPO bit supported FUA bit supported Read long Reassign...
... Manual, Rev. G 47 Table 6: Commands supported by Cheetah 18XL family drive (Continued) Command name Factory log page (3Eh) Mode select (same... (03h) Information exceptions control page (1Ch) Notch and Partition Page (0Ch) Power condition page (1Ah) Rigid disc drive geometry page (04h) Unit attention page (00h) Verify error recovery page (07h) Xor Control page (10h) Mode sense...(same pages as Mode Sense 1Ah) Prefetch Read Read buffer (modes 0, 2, 3, Ah and Bh supported) Read capacity Read defect data (10) Read defect data (12) Read extended DPO bit supported FUA bit supported Read long Reassign...
Product Manual
Page 61
... FF FF FF FF FF FF FF FF 00 SAV 80 02 [2] 00 00 DEF 80 02 [2] 00 00 CHG 00 02 FF 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 performance optimized for server applications. Cheetah 18XL Product Manual, Rev. When the bit is set to one (Desktop When set to zero (Server mode), the SCSI firmware...
... FF FF FF FF FF FF FF FF 00 SAV 80 02 [2] 00 00 DEF 80 02 [2] 00 00 CHG 00 02 FF 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 performance optimized for server applications. Cheetah 18XL Product Manual, Rev. When the bit is set to one (Desktop When set to zero (Server mode), the SCSI firmware...
Product Manual
Page 63
When the bit is defined as changeable, the FSW function governed by that bit is not implemented by this drive. [2] Page 0, Byte 2, Bit 7 is set to one (Desktop G 53 Table 9: Mode sense data, ST39204 values Bytes Mode Sense Data Mode Page 01 SAV 01 DEF ... FF FF FF FF FF FF FF FF 00 SAV 00 DEF 00 CHG 80 02 [2] 00 80 02 [2] 00 00 02 FF 40 Read capacity data 01 11 77 2A 00 00 02 00 [1] Though byte 12, bit 7 (A0) is shown as the Performance Mode (PM) bit. When set to...
When the bit is defined as changeable, the FSW function governed by that bit is not implemented by this drive. [2] Page 0, Byte 2, Bit 7 is set to one (Desktop G 53 Table 9: Mode sense data, ST39204 values Bytes Mode Sense Data Mode Page 01 SAV 01 DEF ... FF FF FF FF FF FF FF FF 00 SAV 00 DEF 00 CHG 80 02 [2] 00 80 02 [2] 00 00 02 FF 40 Read capacity data 01 11 77 2A 00 00 02 00 [1] Though byte 12, bit 7 (A0) is shown as the Performance Mode (PM) bit. When set to...
Product Manual
Page 68
...be provided for that have onboard termination circuits. Do not terminate intermediate SCSI devices. LC and LW model drives do not have adequate DC current carrying capacity to as SE and LVD, respectively) as defined in the same bus. Implementations may be used in American...manual in this product manual support the physical interface requirements of loads 58 Cheetah 18XL Product Manual, Rev. Devices on a daisy-chain interface in which the drives will be enabled by the various drive models defined in a Ultra160 SCSI parallel, daisy-chain interconnected system are common...
...be provided for that have onboard termination circuits. Do not terminate intermediate SCSI devices. LC and LW model drives do not have adequate DC current carrying capacity to as SE and LVD, respectively) as defined in the same bus. Implementations may be used in American...manual in this product manual support the physical interface requirements of loads 58 Cheetah 18XL Product Manual, Rev. Devices on a daisy-chain interface in which the drives will be enabled by the various drive models defined in a Ultra160 SCSI parallel, daisy-chain interconnected system are common...
Product Manual
Page 87
Cheetah 18XL Product Manual, Rev. G Index Symbols +5 and +12 volt supplies 21 Numerics 68 conductor connector 59 68 pin connector 60 80 conductor connector 59 80 ... buffer 7 cache miss 11 cache mode 10 cache operation 10 cache operation hit 12 cache segment 11 caching write data 11 Canadian Department of Communications 3 capacities 8 capacity, drive, programmable 8 case temperature 27 CE Marking 3 Certificate number 4 change definition command 46 changeable bit 50 changeable value 50 check condition 50 Chinese National Standard 4 circuits...
Cheetah 18XL Product Manual, Rev. G Index Symbols +5 and +12 volt supplies 21 Numerics 68 conductor connector 59 68 pin connector 60 80 conductor connector 59 80 ... buffer 7 cache miss 11 cache mode 10 cache operation 10 cache operation hit 12 cache segment 11 caching write data 11 Canadian Department of Communications 3 capacities 8 capacity, drive, programmable 8 case temperature 27 CE Marking 3 Certificate number 4 change definition command 46 changeable bit 50 changeable value 50 check condition 50 Chinese National Standard 4 circuits...
Product Manual
Page 88
... 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 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...
... 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 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...
Product Manual
Page 90
...product data 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, Rev....plane distortion 43 Output characteristics 67 P package 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 41 peak bits/...
...product data 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, Rev....plane distortion 43 Output characteristics 67 P package 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 41 peak bits/...
Product Manual
Page 91
...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 ... segment 10, 11 segment number 11 self-contained 11 Self-Monitoring Analysis and Reporting Technology. Cheetah 18XL Product Manual, Rev. See S.M.A.R.T. SE-LVD alternative 68 sense key 14 sequential read ...command 41 start/stop time 10 status 36 stop spindle 10 stop time 10 storage capacity 35 straight-in connector 60 strict bit in Mode page 00h 11 supply voltage 21...
...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 ... segment 10, 11 segment number 11 self-contained 11 Self-Monitoring Analysis and Reporting Technology. Cheetah 18XL Product Manual, Rev. See S.M.A.R.T. SE-LVD alternative 68 sense key 14 sequential read ...command 41 start/stop time 10 status 36 stop spindle 10 stop time 10 storage capacity 35 straight-in connector 60 strict bit in Mode page 00h 11 supply voltage 21...