Hitachi 100GB 7200 RPM HTE721010G9SA00 User Manual
Product codes
HTE721010G9SA00
Travelstar E7K100 (SATA) Hard Disk Drive Specification
99
12.12 Read Buffer (E4h)
Table 64: Read Buffer (E4h)
The Read Buffer command transfers a sector of data from the sector buffer of the device to the host.
The sector is transferred through the Data Register 16 bits at a time.
The sector transferred will be from the same part of the buffer written to by the last Write Buffer command. The
contents of the sector may be different if any reads or writes have occurred since the Write Buffer command was
issued.
contents of the sector may be different if any reads or writes have occurred since the Write Buffer command was
issued.
Command Block Output Registers
Command Block Input Registers
Register
7 6 5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Data
- - - - - - - -
Data
- - - - - - - -
Feature
- - - - - - - -
Error
see below
Sector Count
- - - - - - - -
Sector Count
- - - - - - - -
LBA Low
- - - - - - - -
LBA Low
- - - - - - - -
LBA Mid
- - - - - - - -
LBA Mid
- - - - - - - -
LBA High
- - - - - - - -
LBA High
- - - - - - - -
Device
- - - - - - - -
Device
- - - - - - - -
Command
1 1 1 0 0 1 0 0
Status
see below
Error Register
Status Register
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
CRC
UNC
0
IDN
0
ABT
T0N
AMN
BSY RDY
DF
DSC
DRQ
COR IDX
ERR
0
0
0
0
0
V
0
0
0
V
0
-
-
0
-
V