Hitachi 7K400 Specifications - Page 175
In LBA mode, this register contains current LBA bits 24-27. L = 1
UPC - 000053412935
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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 operation 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. Deskstar 7K400 Hard Disk Drive Specification 161