IBM IC25N040ATCS04 - Travelstar 40 GB Hard Drive, Specifications

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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
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