IBM Deskstar 120 GXP, Specifications

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11.29 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
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 131. Set Features Command (EFh)
The Set Feature command establishes the following parameters which affect the execution of certain
features as shown in below table.
ABT will be set to 1 in the Error Register if the Feature register contains any undefined values.
Output parameters to the device
Feature Destination code for this command
02H Enable write cache
03H Set transfer mode based on value in sector count register
05H Enable Advanced Power Management
06H Enable Power-up in Standby feature set
07H Power-up in Standby feature set device spin-up
09H Enable Address Offset mode
42H Enable Automatic Acoustic Management
44H 52 bytes of ECC apply on Read Long/Write Long commands
55H Disable read look-ahead feature
5DH Enable release interrupt
66H Disable reverting to power on defaults
82H Disable write cache
Deskstar 120GXP hard disk drive specifications
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