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Question posted by yfortier on December 12th, 2011

Disk

difference bethween disk seagate st373455LW and st373454LW Thanks

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Cheetah 15K.5 Data Sheet - Page 2

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Cheetah 15K.5 SCSI Product Manual - Page 4

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Cheetah 15K.5 SCSI Product Manual - Page 54

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Cheetah 15K.5 SCSI Product Manual - Page 55

Table 8: Commands supported by Cheetah 15K.5 SCSI family drive (Continued) Command name Lock-unlock cache Log Select PCR bit DU bit DS bit TSD bit ETC ... Port Control Page (19h) Power Condition page (1Ah) Command code 36h 4Ch 4Dh 15h 55h 1Ah Supported by SCSI-2/3 N Y Y N Y Y N N N Y Y Y N Y Y N N Y Y Y N Y Y Y Y Y Y [2] Y Y [2] Y Y Y Y Y Y Y N Y Y Cheetah 15K.5 SCSI Product Manual, Rev. H 49

Cheetah 15K.5 SCSI Product Manual - Page 56

Table 8: Commands supported by Cheetah 15K.5 SCSI family drive (Continued) Command name Rigid Disc Drive Geometry page (04h) Unit Attention page (00h) Verify Error Recovery page (07h) Xor Control page (10h) ... 03h 16h 56h 01h 31h 30h 32h 0Bh 2Bh 1Dh Supported by SCSI-2/3 Y Y Y N Y N Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y N Y Y N Y N N N Y Y Y Y 50 Cheetah 15K.5 SCSI Product Manual, Rev. H

Cheetah 15K.5 SCSI Product Manual - Page 57

Table 8: Commands supported by Cheetah 15K.5 SCSI family drive (Continued) Command name Translate page (40h) Set Limits Start Unit/Stop Unit (spindle ceases rotating) Synchronize Cache Test Unit... changeable by the host. [3] WARNING: A power loss during flash programming can result in firmware corruption. This usually makes the drive inoperable. Cheetah 15K.5 SCSI Product Manual, Rev. H 51

Cheetah 15K.5 SCSI Product Manual - Page 58

... 9: Cheetah 15K.5 SCSI family drive Standard Inquiry...73 65 72 76 65 64 20 [ ]1 03 means SCSI-3 (Ultra160) implemented. Seagate has chosen to set this bit to 03, SCSI-3 (Ultra160) implemented, rather than 04, SCSI-4 (Ultra320) implemented, due to compatibility issues with servo RAM and ROM release numbers. the year the drive...ST373455LW 33 37 33 34 35 35 4C 57 20 ST373455LC 33 37 33 34...

Cheetah 15K.5 SCSI Product Manual - Page 64

... is only allowed when using the LVD interface. 9.5.2 REQ/ACK offset Cheetah 15K.5 SCSI family drives support REQ/ACK offset values from 7 to 63 (3Fh). DT DATA.... 9.5.1 Synchronous data transfer periods supported In the following , while the SCSI operational aspects of Seagate drive interfaces are given in sections following tables, M is only allowed when using the LVD interface....

Cheetah 15K.5 SCSI Product Manual - Page 67

... spacing (see T10/1365D Section 6.9) To minimize discontinuances and signal reflections, cables of different impedances should not be carefully considered. LC Models The 80-pin connector option provided on drives that plug directly into backplane connector in this manual. Cheetah 15K.5 SCSI Product Manual, Rev. Note. In such installations, all backplane wiring segments...