IBM DJSA-210 Hard Drive Specifications - Page 196

In LBA mode this register contains current the LBA bits 24-27. L = 1

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H This indicates the head number of the sector to be transferred. (L = 0) In LBA mode this register contains the LBA bits 24-27. (L = 1) R The retry bit. If the retry bit is set to one, then retries are disabled. Input Parameters From The Device Sector Count This indicates the number of requested sectors not transferred. Sector NumberThis indicates the sector number of the sector to be transferred. (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 sector to be transferred. (L = 0) In LBA mode this register contains current the 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 current the LBA bits 24-27. (L = 1) The file internally uses 40 bytes of ECC on all data read or writes. The 4 byte mode of operation is provided via an emulation technique. As a consequence of this emulation it is recommended that 40 byte ECC mode is used for all tests to confirm the operation of the files ECC hardware. Unexpected results may occur if such testing is performed using 4 byte mode. Travelstar 32GH/30GT/20GN hard disk drive specifications 182

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H
This indicates the head number of the sector to be transferred. (L = 0)
In LBA mode this register contains the LBA bits 24–27. (L = 1)
R
The retry bit. If the retry bit is set to one, then retries are disabled.
Input Parameters From The Device
Sector Count
This indicates the number of requested sectors not transferred.
Sector Number
This indicates the sector number of the sector to be transferred. (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 sector to be transferred. (L = 0)
In LBA mode this register contains current the 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 current the LBA bits 24–27. (L = 1)
The file internally uses 40 bytes of ECC on all data read or writes. The 4 byte mode of operation is
provided via an emulation technique. As a consequence of this emulation it is recommended that 40 byte
ECC mode is used for all tests to confirm the operation of the files ECC hardware. Unexpected results
may occur if such testing is performed using 4 byte mode.
Travelstar 32GH/30GT/20GN hard disk drive specifications
182