IBM IC25N020ATDA04 - Travelstar 20 GB Hard Drive - Set Features (Efh); Figure 112. Set Features Command (Efh)

13.29 Set Features (EFh)
see belowStatus1 1 1 0 1 1 1 1Command
- - - - - - - -Device/Head1 - 1 D - - - -Device/Head
- - - - - - - -Cylinder High- - - - - - - -Cylinder High
- - - - - - - -Cylinder Low- - - - - - - -Cylinder Low
- - - - - - - -Sector Number- - - - - - - -Sector Number
- - - - - - - -Sector CountNote 1.Sector Count
see belowErrorV V V V V V V VFeature
- - - - - - - -Data- - - - - - - -Data
7 6 5 4 3 2 1 0Register7 6 5 4 3 2 1 0Register
Command Block Input RegistersCommand Block Output Registers
V-0--0V000V00000
ERRIDXCORDRQDSCDFRDYBSYAMNT0NABT0IDN0UNCCRC
0123456701234567
Status RegisterError Register
Figure 112. 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.
: DisableAddress Offset mode
: DisableReverting to power on defaults
: EnableRead look-ahead
: 4 bytesECC bytes
: EnableWrite cache
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
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