Product Manual
Page 17
...; Command queuing of up to 64 commands • Background processing of approximately 3.3 inches (84 mm). Cheetah 18XL Product Manual, Rev. G 7 3.1 Standard features The Cheetah 18XL family has the following standard features: • Integrated Ultra160 SCSI controller • Multimode SCSI drivers ...8226; 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 the drive • 1:1 Interleave • Zoned bit recording (ZBR) • Vertical, horizontal, or...
...; Command queuing of up to 64 commands • Background processing of approximately 3.3 inches (84 mm). Cheetah 18XL Product Manual, Rev. G 7 3.1 Standard features The Cheetah 18XL family has the following standard features: • Integrated Ultra160 SCSI controller • Multimode SCSI drivers ...8226; 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 the drive • 1:1 Interleave • Zoned bit recording (ZBR) • Vertical, horizontal, or...
Product Manual
Page 26
... As described above, forcing S.M.A.R.T by the Rezero Unit command will issue a 01-5D00 sense code to the reporting method, the firmware will reset the timer. Subject to the host. measures error rate, hence for each attribute the occurrence of an error is preserved ...to the number of failure conditions in the Informational Exceptions Control Page (1Ch). 16 Cheetah 18XL Product Manual, Rev. Each attribute has been selected to as the Failure Counter. Performance impact S.M.A.R.T. The drive will not perform off -line attribute data and saving data to the disc is ...
... As described above, forcing S.M.A.R.T by the Rezero Unit command will issue a 01-5D00 sense code to the reporting method, the firmware will reset the timer. Subject to the host. measures error rate, hence for each attribute the occurrence of an error is preserved ...to the number of failure conditions in the Informational Exceptions Control Page (1Ch). 16 Cheetah 18XL Product Manual, Rev. Each attribute has been selected to as the Failure Counter. Performance impact S.M.A.R.T. The drive will not perform off -line attribute data and saving data to the disc is ...
Product Manual
Page 27
...to as diagnostic failures. 5.2.9.2 Implementation This section provides all of the information necessary to Seagate as a failed unit. The firmware keeps a running count of the number of time. If the drive fails the test, remove it from service and return it reports a fault condition. ... the interval and failure counters are not modified to testing The drive must be reported as the Failure History Counter. In either of these tests, it to determine the "not ready" cause. Cheetah 18XL Product Manual, Rev. Predictive failures S.M.A.R.T. Should the counter continually...
...to as diagnostic failures. 5.2.9.2 Implementation This section provides all of the information necessary to Seagate as a failed unit. The firmware keeps a running count of the number of time. If the drive fails the test, remove it from service and return it reports a fault condition. ... the interval and failure counters are not modified to testing The drive must be reported as the Failure History Counter. In either of these tests, it to determine the "not ready" cause. Cheetah 18XL Product Manual, Rev. Predictive failures S.M.A.R.T. Should the counter continually...
Product Manual
Page 45
... Time needed to perform reallocations, if reallocations are described in the Error Recovery Mode Page. The drive firmware error recovery algorithms consist of time spent in communications between Initiator and the drive). The Read Continuous (RC) bit, when set to control the total error recovery time for ...the entire command in the defects reallocation table. Cheetah 18XL Product Manual, Rev. The total amount of 11 levels for a command can be referenced by the drive provides a means to one , the RC bit is set up in the "G" list...
... Time needed to perform reallocations, if reallocations are described in the Error Recovery Mode Page. The drive firmware error recovery algorithms consist of time spent in communications between Initiator and the drive). The Read Continuous (RC) bit, when set to control the total error recovery time for ...the entire command in the defects reallocation table. Cheetah 18XL Product Manual, Rev. The total amount of 11 levels for a command can be referenced by the drive provides a means to one , the RC bit is set up in the "G" list...
Product Manual
Page 56
...Table 6 following lists the SCSI interface commands that are shipped set to operate in Ultra160 mode. 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...
...Table 6 following lists the SCSI interface commands that are shipped set to operate in Ultra160 mode. 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...
Product Manual
Page 58
... 50h 51h Supported by SCSI-2/3 Y Y Y Y Y N Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y N N N N N [1] The drive can format to any even number of bytes per sector from 512 to 4,096. [2] Tables 8 and 9 show how individual bits are set and which are changeable by the host. [3] WARNING: A power loss during flash programming can result in firmware corruption. 48 Cheetah 18XL Product Manual, Rev.
... 50h 51h Supported by SCSI-2/3 Y Y Y Y Y N Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y N N N N N [1] The drive can format to any even number of bytes per sector from 512 to 4,096. [2] Tables 8 and 9 show how individual bits are set and which are changeable by the host. [3] WARNING: A power loss during flash programming can result in firmware corruption. 48 Cheetah 18XL Product Manual, Rev.
Product Manual
Page 59
... that the drive should return to send back. S# Eight ASCII digits representing the eight digits of the product serial number. [ ]3 Bytes 18 through 25 reflect model of the product Firmware Release number.... G 49 Table 7 lists the Standard Inquiry command data that the drive uses the hierarchical addressing mode to assign LUNs to one. Table 7: Cheetah 18XL family drive Standard Inquiry data Bytes Data (HEX) 0-15 16-31 00 00... section. The table above shows hex values for all models are listed below: ST318404LC ST39204LW ST39204LC 33 31 38 34 30 34 4C 43 33 39 32 30 34 4C 57 20...
... that the drive should return to send back. S# Eight ASCII digits representing the eight digits of the product serial number. [ ]3 Bytes 18 through 25 reflect model of the product Firmware Release number.... G 49 Table 7 lists the Standard Inquiry command data that the drive uses the hierarchical addressing mode to assign LUNs to one. Table 7: Cheetah 18XL family drive Standard Inquiry data Bytes Data (HEX) 0-15 16-31 00 00... section. The table above shows hex values for all models are listed below: ST318404LC ST39204LW ST39204LC 33 31 38 34 30 34 4C 43 33 39 32 30 34 4C 57 20...
Product Manual
Page 60
... downloading a complete set up new current and saved values, where the values are all zeros. Default values are hard coded in nonvolatile memory, that are all ones. indicates if current and saved values are shipped configured this method....drives. G 9.3.2 Mode Sense data The Mode Sense command provides a means for SCSI Ultra160 implementation (see the SCSI Interface Product Manual, part number 75789509). It is stored in response to shipping. The drive maintains four sets of new firmware into the saved values storage location on the drive PCBA. 50 Cheetah...
... downloading a complete set up new current and saved values, where the values are all zeros. Default values are hard coded in nonvolatile memory, that are all ones. indicates if current and saved values are shipped configured this method....drives. G 9.3.2 Mode Sense data The Mode Sense command provides a means for SCSI Ultra160 implementation (see the SCSI Interface Product Manual, part number 75789509). It is stored in response to shipping. The drive maintains four sets of new firmware into the saved values storage location on the drive PCBA. 50 Cheetah...
Product Manual
Page 61
When the bit is set to one (Desktop Cheetah 18XL Product Manual, Rev. G 51 Table 8: Mode sense data, ST318404 values Bytes 00 01 02 03 04 05 06 07 08 09 10 11 12 ... 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. When set to zero (Server mode), the SCSI firmware is defined as the Performance Mode (PM) bit.
When the bit is set to one (Desktop Cheetah 18XL Product Manual, Rev. G 51 Table 8: Mode sense data, ST318404 values Bytes 00 01 02 03 04 05 06 07 08 09 10 11 12 ... 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. When set to zero (Server mode), the SCSI firmware is defined as the Performance Mode (PM) bit.
Product Manual
Page 62
...the PM bit is set to the firmware default condition (one) for Desktop mode. When the Performance Mode bit (Page 0, Byte 2, Bit 7) is set to Desktop mode (one for drives with all other interfaces (LC) ... [3] When the Performance Mode bit (Page 0, Byte 2, Bit 7) is performance optimized for desktop applications. Drives manufactured with the LW interface. During the manufacturing process, the Saved value of the PM bit remains set to...should be set to sixteen (10h). G mode), the SCSI firmware is set to Server mode (zero), the Number of Cache Segments should be set to three (03h)....
...the PM bit is set to the firmware default condition (one) for Desktop mode. When the Performance Mode bit (Page 0, Byte 2, Bit 7) is set to Desktop mode (one for drives with all other interfaces (LC) ... [3] When the Performance Mode bit (Page 0, Byte 2, Bit 7) is performance optimized for desktop applications. Drives manufactured with the LW interface. During the manufacturing process, the Saved value of the PM bit remains set to...should be set to sixteen (10h). G mode), the SCSI firmware is set to Server mode (zero), the Number of Cache Segments should be set to three (03h)....
Product Manual
Page 63
When set to zero (Server mode), the SCSI firmware is performance optimized for server applications. When the bit is defined as the Performance Mode (PM) bit. Cheetah 18XL Product Manual, Rev. G 53 Table 9: Mode sense data, ST39204 values Bytes Mode Sense Data Mode Page 01 SAV 01 DEF 01 CHG 00 01 ... 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 set to one (Desktop
When set to zero (Server mode), the SCSI firmware is performance optimized for server applications. When the bit is defined as the Performance Mode (PM) bit. Cheetah 18XL Product Manual, Rev. G 53 Table 9: Mode sense data, ST39204 values Bytes Mode Sense Data Mode Page 01 SAV 01 DEF 01 CHG 00 01 ... 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 set to one (Desktop
Product Manual
Page 64
During the manufacturing process, the Saved value of the PM bit remains set to the firmware default condition (one for desktop applications. The firmware default condition for drives with all other interfaces (LC) set the Saved value of the PM bit set to the Server mode (zero). [3] When the Performance ...mode), the SCSI firmware is set to Desktop mode (one), the Number of Cache Segments should be set to one ) for the PM bit is set to Server mode (zero), the Number of Cache Segments should be set to three (03h). 54 Cheetah 18XL Product Manual, Rev. Drives manufactured with the...
During the manufacturing process, the Saved value of the PM bit remains set to the firmware default condition (one for desktop applications. The firmware default condition for drives with all other interfaces (LC) set the Saved value of the PM bit set to the Server mode (zero). [3] When the Performance ...mode), the SCSI firmware is set to Desktop mode (one), the Number of Cache Segments should be set to one ) for the PM bit is set to Server mode (zero), the Number of Cache Segments should be set to three (03h). 54 Cheetah 18XL Product Manual, Rev. Drives manufactured with the...
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...