Hitachi ic35l060avv207-0 - Deskstar 60 GB Hard Drive Specifications page 151

Input parameters from the device on bus release
Sector Count
Sector Number, Cylinder High/low, H n/a.
SRV
Input parameters from the device on command complete
Sector Count
Sector Number, Cylinder High/Low, H
SRV
Bits 7 - 3 (Tag) contain the Tag of the command being bus released.
Bit 2 (REL) is set to one.
Bit 1 (I/O) is cleared to zero.
Bit 0 (C/D) is cleared to zero.
Cleared to zero when the device performs a bus release. This bit is set to one
when the device is ready to transfer data.
Bits 7 - 3 (Tag) contain the Tag of the completed command.
Bit 2 (REL) is cleared to zero.
Bit 1 (I/O) is set to one.
Bit 0 (C/D) is set to one.
Sector address of unrecoverable error (applicable only when an unrecoverable
error has occurred.)
Cleared to zero.
Deskstar 180GXP hard disk drive specifications
137