5K250 (SATA) OEM Specification
Page 129 of 171
14.32 Seek (7xh)
Command Block Output Registers Command Block Input Registers
Register 7 6 5 4 3 2 1 0 Register 7 6 5 4 3 2 1 0
Data - - - - - - - - Data - - - - - - - -
Feature - - - - - - - - Error ...See Below...
Sector Count - - - - - - - - Sector Count - - - - - - - -
LBA Low V V V V V V V V LBA Low V V V V V V V V
LBA Mid V V V V V V V V LBA Mid V V V V V V V V
LBA High V V V V V V V V LBA High V V V V V V V V
Device - L - - H H H H Device - - - - H H H H
Command 0 1 1 1 - - - - Status ...See Below...
Error Register Status Register
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
CRC UNC 0 IDN 0 ABT T0N AM
N
BSY RDY DF DSC DRQ COR IDX ERR
0 0 0 V 0 V 0 0 0 V 0 V - 0 0 V
Table 102 Seek Command (7xh)
The Seek command initiates a seek to the designated track and selects the designated head. The device need not
be formatted for a seek to execute properly.
Output Parameters To The Device
LBA Low
In LBA mode, this register specifies LBA address bits 0 - 7 for seek. (L=1)
LBA High/Mid
The cylinder number of the seek.
In LBA mode, this register specifies LBA address bits 8 - 15 (Mid), 16 - 23 (High) for
seek. (L=1)
H
The head number of the seek.
In LBA mode, this register specifies LBA address bits 24 - 27 for seek. (L=1)
Input Parameters From The Device
LBA Low
In LBA mode, this register contains current LBA bits 0 - 7. (L=1)
LBA High/Mid
In LBA mode, this register contains current LBA bits 8 - 15 (Mid), 16 - 23 (High).
(L=1)
H
In LBA mode, this register contains current LBA bits 24 - 27. (L=1)
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