
H
The head number of the sector to be transferred. (L=0)
In LBA mode this register contains LBA bits 24-27. (L=1)
R
The retry bit. If set to one, then retries are disabled.
Input parameters from the device
Sector Count
The number of requested sectors not transferred.
Sector Number
The sector number of the 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 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 transferred sector. (L=0)
In LBA mode this register contains current LBA bits 24-27. (L=1)
It should be noted that the device internally uses 40 bytes of ECC data on all data written or read from
the disk. The 4 byte mode of operation is provided via an emulation. Use of the 40 byte ECC mode is re-
commended for testing the effectiveness and integrity of the ECC functions of the device.
Deskstar 40GV & 75GXP hard disk drive specifications
133
Summary of Contents for DTLA-305040 - Deskstar 41.1 GB Hard Drive
Page 8: ...This page intentionally left blank...
Page 16: ...This page intentionally left blank...
Page 17: ...Part 1 Functional specification Deskstar 40GV 75GXP hard disk drive specifications 5...
Page 18: ...This page intentionally left blank...
Page 20: ...This page intentionally left blank...
Page 30: ...This page intentionally left blank...
Page 32: ...This page intentionally left blank...
Page 34: ...This page intentionally left blank...
Page 76: ...This page intentionally left blank...
Page 77: ...Part 2 Interface specification Deskstar 40GV 75GXP hard disk drive specifications 65...
Page 78: ...This page intentionally left blank...
Page 80: ...This page intentionally left blank...
Page 108: ...This page intentionally left blank...
Page 116: ...This page intentionally left blank...
Page 206: ...This page intentionally left blank...
Page 210: ...This page intentionally left blank...