IBM DTLA-307075 Hard Drive Specifications - Page 141

In LBA mode, this register contains current LBA bits 0 - 7. L=1

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Cylinder High/Low The cylinder number of the first sector to be transferred. (L=0) In LBA mode this register specifies LBA address bits 8 - 15 (Low) 16 - 23 (High) to be transferred. (L=1) H The head number of the first sector to be transferred. (L=0) In LBA mode this register specifies LBA bits 24-27 to be transferred. (L=1) R The retry bit. If it is set to one, then retries are disabled. Input parameters from the device Sector Count The number of requested sectors not transferred. This will be zero, unless an unrecoverable error occurs. Sector Number The sector number of the last transferred sector. (L=0) In LBA mode, this register contains current LBA bits 0 - 7. (L=1) Cylinder High/Low The cylinder number of the last transferred sector. (L=0) In LBA mode, this register contains current LBA bits 8 - 15 (Low), 16 - 23 (High). (L=1) H The head number of the sector to be transferred. (L=0) In LBA mode, this register contains current LBA bits 24 - 27. (L=1) Deskstar 40GV & 75GXP hard disk drive specifications 129

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Cylinder High/Low
The cylinder number of the first sector to be transferred. (L=0)
In LBA mode this register specifies LBA address bits 8 - 15 (Low) 16 - 23 (High)
to be transferred. (L=1)
H
The head number of the first sector to be transferred. (L=0)
In LBA mode this register specifies LBA bits 24-27 to be transferred. (L=1)
R
The retry bit. If it is set to one, then retries are disabled.
Input parameters from the device
Sector Count
The number of requested sectors not transferred. This will be zero, unless an
unrecoverable error occurs.
Sector Number
The sector number of the last transferred sector. (L=0)
In LBA mode, this register contains current LBA bits 0 - 7. (L=1)
Cylinder High/Low
The cylinder number of the last transferred sector. (L=0)
In LBA mode, this register contains current LBA bits 8 - 15 (Low), 16 - 23 (High).
(L=1)
H
The head number of the sector to be transferred. (L=0)
In LBA mode, this register contains current LBA bits 24 - 27. (L=1)
Deskstar 40GV & 75GXP hard disk drive specifications
129