H This is the head number of the first sector to be transferred. (L = 0)
In LBA mode this register contains the LBA bits 24–27. (L = 1)
R This is the retry bit. If it is set to one then retries are disabled.
Input Parameters From The Device
Sector Count This is the number of requested sectors not verified. This number will be zero
unless an unrecoverable error occurs.
Sector Number This is 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 is 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 is the head number of the last transferred sector. (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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