User Manual

SCSI Commands Reference Manual, Rev. J 311

www.seagate.com Parameters for direct access devices

PARAMETER CODE field

For general usage application client data, the value in the PARAMETER CODE field shall be between 0000h and 0FFFh. The first supported gen-

eral usage application client parameter code shall be 0000h and additional supported parameters shall be sequentially numbered. If any gen-

eral usage parameter codes are implemented, the device shall support at least 64 general usage parameter descriptors and they shall be

parameter codes 0000h through 003Fh.

PARAMETER LENGTH value

For the general usage application client parameter, the PARAMETER LENGTH value for each parameter shall be FCh.

GENERAL USAGE PARAMETER BYTES

The values stored in the GENERAL USAGE PARAMETER BYTES represent data sent to the device server in a previous LOG SELECT command. If a

previous LOG SELECT command has not occurred, the data is vendor specific.

Table 276 General usage application client parameter data

Bit

Byte

7 6 5 4 3 2 1 0

(MSB)

PARAMETER CODE

(LSB)

PARAMETER CONTROL BYTE – binary format list log parameter (see 5.2.2.2.2.5)

PARAMETER LENGTH (FCh)

GENERAL USAGE PARAMETER BYTES

. . .

255