Hitachi IC25N040ATCS04-0 - Travelstar 40GN 40GB UDMA/100 4200RPM 2MB 2.5" IDE Hard Drive Specifications page 199

R
Input parameters from the device
Sector Count
Sector NumberThis indicates the sector number of the last transferred sector. (L = 0)
Cylinder High/Low
H
This indicates the retry
This indicates the number of requested sectors not transferred. The Sector Count
will be zero unless an unrecoverable error occurs.
In LBA mode this register contains the current LBA bits 0–7. (L = 1)
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)
This indicates the head number of the last transferred sector. (L = 0)
In LBA mode this register contains the current LBA bits 24–27. (L = 1)
Hitachi Travelstar 60GH & 40GN hard disk drive specifications
bit, but this bit is ignored.
186