ATA COMMAND BLOCK AND SET DESCRIPTION

SSD-PXXX(I)-3521 DATA SHEET

Read Long Sector(s) — 22h, 23h

The Read Long Sector(s) command operates similarly to the Read Sector(s) command, with the exception that it transfers requested data sectors and ECC data. The long instruction ECC byte transfer for Long commands is a byte transfer at a fixed length of 4 bytes.

Table 61: Read Long Sector(s) — 22h, 23h

Register

D7

D6

D5

D4

 

D3

D2

D1

D0

Feature

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

Sector Count

 

 

 

 

X

 

 

 

 

 

 

 

 

 

Sector Number

 

 

Sector Number (LBA7-0)

 

 

 

 

 

 

 

 

Cylinder Low

 

 

Cylinder Low (LBA15-8)

 

 

 

 

 

 

 

 

Cylinder High

 

 

Cylinder High (LBA23-16)

 

 

 

 

 

 

 

 

 

Drive Head

1

LBA

1

Drive

 

Head Number (LBA27-24)

 

 

 

 

 

 

 

 

 

Command

 

 

 

22h or 23h

 

 

 

 

 

 

 

 

 

 

 

 

 

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All unauthorized use and/or reproduction is prohibited.

3521P-02DSR

PAGE 76

FEBRUARY 2, 2009

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Silicon Image SSD-P08G(I)-3521 manual Read Long Sectors 22h, 23h, Drive Head Number LBA27-24 Command 22h or 23h