Deskstar 7K80 Hard Disk Drive Specification
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12.29 Recalibrate (1xh)
Table 123: Recalibrate (1xh)
The Recalibrate command moves the read/write heads from anywhere on the disk to cylinder 0.
If the device cannot reach cylinder 0, T0N (Track 0 Not Found) will be set in the Error Register.
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 - - - - - - - -
Sector Number - - - - - - - - Sector Number - - - - - - - -
Cylinder Low - - - - - - - - Cylinder Low - - - - - - - -
Cylinder High - - - - - - - - Cylinder High - - - - - - - -
Device/Head 1 - 1 D - - - - Device/Head - - - - - - - -
Command 0 0 0 1 - - - - Status see below
Error Register Status Register
7654321 0 76543 21 0
CRC UNC 0 IDN 0 ABT T0N AMN BSY RDY DF DSC DRQ COR IDX ERR
00000VV 0 0V0V- 0- V