ATA C
OMMAND
B
LOCK
AND
S
ET
D
ESCRIPTION
SSD-P
XXX
(I)-3100 D
ATA
S
HEET
S
ILICON
S
YSTEMS
P
ROPRIETARY
This document and the information contained within it is confidential and proprietary to SiliconSystems, Inc.
All unauthorized use and/or reproduction is prohibited.
3100P-06DSR
P
AGE
73
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 SiliconDrives that have DMA
disabled.
Table 58: 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