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ATA REGISTERS SSD-DXXX(I)-4210 DATA SHEET
SILICONSYSTEMS PROPRIETARY
This document and the information contained within it is confidential and proprietary to SiliconSystems, Inc.
All unauthorized use and/or reproduction is prohibited.
4210D-03DSR PAGE 32 FEBRUARY 2, 2009
CYLINDER LOW REGISTER
The Cylinder Low register is set by the host to specify the cylinder number low
byte. Following an ATA command, the content of the register is written by the
device, identifying the cylinder number low byte.
In LBA mode, the 8-bit register maintains the contents of the Logical Block
number address bits A15:A08.
Table 19: Cylinder Low Register
Operation
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
Read/Write Cylinder Number Low Byte (CHS Addressing)
Logical Block Number bits A15-A08 (LBA Addressing)
Default Value 0 0 0 0 0 0 0 0