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13.28 Set Features (EFh)
see below
Status
1 1 1 0 1 1 1 1
Command
- - - - - - - -
Device/Head
1 - 1 D - - - -
Device/Head
- - - - - - - -
Cylinder High
- - - - - - - -
Cylinder High
- - - - - - - -
Cylinder Low
- - - - - - - -
Cylinder Low
- - - - - - - -
Sector Number
- - - - - - - -
Sector Number
- - - - - - - -
Sector Count
see note 1
Sector Count
see below
Error
V V V V V V V V
Feature
- - - - - - - -
Data
- - - - - - - -
Data
7 6 5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Register
Command Block Input Registers
Command Block Output Registers
V
-
0
-
-
0
V
0
0
0
V
0
0
0
0
0
ERR
IDX
COR
DRQ
DSC
DF
RDY
BSY
AMN
T0N
ABT
0
IDN
0
UNC
CRC
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Status Register
Error Register
Figure 117. Set Features command (EFh)
The Set Feature command establishes the following parameters which affect the execution of certain
features as shown in the table below.
ABT will be set to 1 in the Error Register if the Feature register contains any undefined values.
After the power on reset or hard reset the device is set to the following features as default.
Disable
Address Offset mode
Disable
Reverting to power on defaults
Enable
Read look-ahead
4 bytes
ECC bytes
Enable
Write cache
Travelstar 60GH & 40GN hard disk drive specifications
159
Содержание IC25N040ATCS04 - Travelstar 40 GB Hard Drive
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