IBM IC35L020 Hard Drive Specifications - Page 198

This parameter represents the head number of the sector to be transferred.

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R This parameter represents the retry bit. If set to one, then retries are disabled. Input parameters from the device Sector Count This parameter represents the number of requested sectors not transferred. Sector Number This parameter represents the sector number of the sector to be transferred. (L=0) In LBA mode this register contains current LBA bits 0-7. (L=1) Cylinder High/Low This parameter represents the cylinder number of the sector to be transferred. (L=0) In LBA mode this register contains current LBA bits 8-15 (Low), 16-23 (High). (L=1) H This parameter represents the head number of the sector to be transferred. (L=0) In LBA mode this register contains current LBA bits 24-27. (L=1) The drive 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 the 40 byte ECC mode be used for all tests to confirm the operation of the ECC hardware. Unexpected results may occur if such testing is performed using the 4 byte mode. Deskstar 60 GXP Hard disk drive specification 184

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R
This parameter represents the retry bit. If set to one, then retries are disabled.
Input parameters from the device
Sector Count
This parameter represents the number of requested sectors not transferred.
Sector Number
This parameter represents the sector number of the sector to be transferred.
(L=0)
In LBA mode this register contains current LBA bits 0–7. (L=1)
Cylinder High/Low
This parameter represents the cylinder number of the sector to be transferred.
(L=0)
In LBA mode this register contains current LBA bits 8–15 (Low), 16–23 (High).
(L=1)
H
This parameter represents the head number of the sector to be transferred.
(L=0)
In LBA mode this register contains current LBA bits 24–27. (L=1)
The drive 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 the
40 byte ECC mode be used for all tests to confirm the operation of the ECC hardware. Unexpected
results may occur if such testing is performed using the 4 byte mode.
Deskstar
60 GXP Hard disk drive specification
184