Hitachi HTS421212H9AT00 - Travelstar 120 GB Hard Drive Specifications page 153

LBA Low
LBA High/Mid
H
The device internally uses 51 bytes of ECC data on all data written or read from the disk. The 4-byte mode of oper-
ation is provided by means of an emulation. Use of the 51 byte ECC mode is recommended for testing the effec-
tiveness and integrity of the ECC functions of the device.
This indicates the sector number of the transferred sector. (L = 0)
In LBA mode, this register contains current LBA bits 0–7. (L = 1)
This indicates 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)
This indicates the head number of the transferred sector. (L = 0)
In LBA mode, this register contains current LBA bits 24–27. (L = 1)
Travelstar 4K120 Hard Disk Drive Specification
139