H This indicates the head number of the first sector to be transferred. (L = 0) In
LBA mode this register specifies the LBA bits 24–27 to be transferred. (L = 1)
R This indicates the retry bit. If set to one, then retries are disabled.
Input Parameters From The Device
Sector Count This indicates the number of requested sectors not transferred. This will be zero,
unless an unrecoverable error occurs.
Sector Number This indicates the sector number of the last transferred sector. (L = 0) In LBA
mode this register contains the current LBA bits 0–7. (L = 1)
Cylinder High/Low This indicates the cylinder number of the last transferred sector. (L = 0) In LBA
mode this register contains the current LBA bits 8–15 (Low) and bits
16–23 (High). (L = 1)
H This indicates the head number of the sector to be transferred. (L = 0) In LBA
mode this register contains the current LBA bits 24–27. (L = 1)
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
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