Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification
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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 transferred sector. (L = 0)
In LBA mode, this register contains current LBA bits 0–7. (L = 1)
Cylinder High/Low 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)
H This indicates the head number of the transferred sector. (L = 0)
In LBA mode, this register contains current LBA bits 24–27. (L = 1)
The device internally uses 52 bytes of ECC data on all data written or read from the disk. The 4-byte mode of oper-
ation is provided via an emulation. Use of the 52 byte ECC mode is recommended for testing the effectiveness and
integrity of the ECC functions of the device.
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