Seagate Savvio 10K Manual download pdf (Page 53)

Savvio SCSI Product Manual, Rev. D

Table 14 lists the Standard Inquiry command data that the drive should return to the initiator per the format

given in the SCSI Interface Product Manual, part number 75789509, Inquiry command section.

[ ]

03 means SCSI-3 (Ultra160) implemented.

Note. 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 some host bus adapters. This setting will

not affect the Ultra320 functionality of the drive.

[ ]

The drive can be changed between these two configurations:

02 means response data in SCSI-2/SCSI-3 format.

12 means the drive uses the hierarchical addressing mode to assign LUNs to logical units (default is 12).

R# Four ASCII digits representing the last four digits of the product Firmware Release number. This informa-

tion is also given in the Vital Product Data page C0h, together with servo RAM and ROM release num-

bers.

S# Eight ASCII digits representing the eight digits of the product serial number.

[ ]

Bytes 18 through 26 reflect model of drive. The table above shows the hex values for Model

ST973401LC.

Refer to the values below for the values of bytes 18 through 26 of you particular model:

ST973401LC 39 37 33 34 30 31 4C 43 20

ST936701LC 39 33 36 37 30 31 4C 43 20

[ ]

9.3.1 Inquiry Vital Product data

Instead of the standard Inquiry data shown in Table 14, the initiator can request several Vital Product Data

pages by setting the Inquiry command EVPD bit to one. The SCSI Command Reference Manual lists the Vital

Product Data pages and describes their formats. A separate Inquiry command must be sent to the drive for

each Vital Product Data page the initiator wants the drive to send back.

9.3.2 Mode Sense data

The Mode Sense command provides a means for the drive to report its operating parameters to the initiator.

The drive maintains four sets of Mode parameters, Default values, Saved values, Current values and Change-

able values.

Default values are hard coded in the drive firmware that is stored in flash EPROM nonvolatile memory on the

drive PCBA. Default values can be changed only by downloading a complete set of new firmware into the flash

EPROM. An initiator can request and receive from the drive a list of default values and use those in a Mode

Select command to set up new current and saved values, where the values are changeable.

Table 14: Savvio SCSI family drive Standard Inquiry data

Bytes Data (HEX)

0-15 00 00 [03]

[12]

8B 00 01 3E 53 45 41 47 41 54 45 20 VENDOR ID

16-31 53 54 [39] [37] [33] [34] [30] [31] [4C] [43]

[20] 20 20 20 20 20 PRODUCT ID

32-47 R# R# R# R# S# S# S# S# S# S# S# S# 00 00 00 00

48-63 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

64-79 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

80-95 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

96-111 00 43 6F 70 79 72 69 67 68 74 20 28 63 29 20 [32] COPYRIGHT

112-127 [30] [30] [34]

20 53 65 61 67 61 74 65 20 41 6C 6C 20 NOTICE

128-143 72 69 67 68 74 73 20 72 65 73 65 72 76 65 64 20

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 77 78

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