IBM IC25N040ATCS04 - Travelstar 40 GB Hard Drive, Specifications

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13.26 Seek (7xh)
see below Status 0 1 1 1 - - - - Command
- - - - H H H H Device/Head 1 L 1 D H H H H Device/Head
V V V V V V V V Cylinder High V V V V V V V V Cylinder High
V V V V V V V V Cylinder Low V V V V V V V V Cylinder Low
V V V V V V V V Sector Number V V V V V V V V Sector Number
- - - - - - - - Sector Count - - - - - - - - Sector Count
see below Error - - - - - - - - Feature
- - - - - - - - Data - - - - - - - - Data
7 6 5 4 3 2 1 0 Register 7 6 5 4 3 2 1 0 Register
Command Block Input Registers Command Block Output Registers
V - 0 - V 0 V 0 0 0 V 0 V 0 0 0
ERR IDX COR DRQ DSC DF RDY BSY AMN T0N ABT 0 IDN 0 UNC CRC
0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7
Status Register Error Register
Figure 115. Seek command (7xh)
The Seek command initiates a seek to the designated track and selects the designated head. The device
does not need to be formatted for a seek to execute properly.
Output parameters to the device
Sector Number In LBA mode this register specifies the LBA address bits 0–7 for seek. (L = 1)
Cylinder High/Low This is the cylinder number of the seek. In LBA mode this register specifies the
LBA address bits 8–15 (Low) and bits 16–23 (High) for seek. (L = 1)
H This indicates the head number of the seek. In LBA mode this register specifies
the LBA address bits 24–27 for seek. (L = 1)
Input parameters from the device
Sector Number In LBA mode this register contains the current LBA bits 0–7. (L = 1)
Cylinder High/Low In LBA mode this register contains the current LBA bits 8–15 (Low) and
bits 16–23 (High). (L = 1)
H In LBA mode this register contains the current LBA bits 24–27. (L = 1)
Travelstar 60GH & 40GN hard disk drive specifications
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