Silicon Image SiliconDrive SSD-DXXX(I)-4210 - Manual (Page 63)

ATA C OMMAND B LOCK AND S ET D ESCRIPTION SSD-D XXX (I)-4210 D ATA S HEET
S ILICON S YSTEMS P ROPRIETARY
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4210D-03DSR P AGE 54 F EBRUARY 2, 2009
Read DMA — C8h
The Read DMA command allows the host to read data using the DMA transfer
protocol.
Note:
This function does not apply to SiliconDrive EPs that have DMA
disabled.
Table 39: Read DMA — C8h
Register D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
Feature X
Sector Count Sector Count
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 C8h