ATA C
B
OMMAND
LOCK AND
Read Buffer — E4h
The Read Buffer command allows the host to read the contents of the sector
buffer. When issued, the device sets the BSY bit and sets up the sector buffer
data in preparation for the read operation. When the data is ready, the DRQ bit
is set and the BSY bit in the Status register are set and cleared, respectively.
Register
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Drive Head
Command
This document and the information contained within it is confidential and proprietary to SiliconSystems, Inc.
3150C-10DSR
S
D
ET
ESCRIPTION
Table 57: Read Buffer — E4h
D
D
7
6
X
X
S
S
ILICON
YSTEMS
All unauthorized use and/or reproduction is prohibited.
P
71
AGE
SSD-C
XXX
D
D
D
5
4
3
X
X
X
X
X
X
Drive
E4h
P
ROPRIETARY
(I)-3150 D
S
ATA
HEET
D
D
D
2
1
0
X
F
2, 2009
EBRUARY
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