SCSI Description

￿￿￿￿5''The-￿￿￿￿￿￿%QOOCPF￿￿￿SEEK (10) command $usesJ￿a 10-byte Command Descriptor Block to request the drive to send the drive heads to the requested Logical Block Address. The drive responds by placing the heads at the correct Logical Block Address. When the heads are at the specified Logical Block Address, they are not guaranteed to stay in that position since periodic calibrations may send them to a different cylinder. The data format is shown in Table 5-196.

SEEK (10) Command Descriptor Block-Data Format

 

 

 

 

 

 

 

 

 

 

 

 

$[VG0$KV

￿

￿

￿Operation￿Code￿(2Bh)

￿

￿

￿

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

2

-

 

 

 

 

Logical Block Address

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

- 8

Table5-196

 

 

Reserved

 

 

 

 

9

 

 

Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5-160 Maxtor Atlas 10K III

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Image 224
Maxtor 10K III manual 196, Seek 10 Command Descriptor Block-Data Format, Reserved Control