SSD-HXXX(I)-3650 DATA SHEET

ATA REGISTERS

CYLINDER HIGH REGISTER

The Cylinder High register is set by the host to specify the cylinder number high byte. Following an ATA command, the content of the register is set internally by the device, identifying the cylinder number high byte.

In LBA mode, the 8-bit register maintains the contents of the Logical Block number address bits A23:A16.

Table 22: Cylinder High Register

Operation

D7

D6

D5

D4

D3

D2

D1

D0

Read/Write

 

Cylinder

Number

Low

Byte (CHS Addressing)

 

 

 

 

Logical Block Number bits A23-A16 (LBA Addressing)

 

 

 

 

 

 

 

 

 

Default Value

0

0

0

0

0

0

0

0

 

 

 

 

 

 

 

 

 

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All unauthorized use and/or reproduction is prohibited.

PAGE 20

JUNE 17, 2008

DOCUMENT: 3650H-02DSR

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Silicon Image SSDS00-3650H-R manual Cylinder High Register, Logical Block Number bits A23-A16 LBA Addressing