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ATA COMMAND BLOCK AND SET DESCRIPTION SSD-CXXX(I)-3150 DATA SHEET
SILICONSYSTEMS PROPRIETARY
This document and the information contained within it is confidential and proprietary to SiliconSystems, Inc.
All unauthorized use and/or reproduction is prohibited.
3150C-10DSR PAGE 78 FEBRUARY 2, 2009
Set Features — EFh
The Set Features command allows the host to configure the feature set of the
device according to the attributes listed in Table 65.
On power-up or following a hardware reset, the device is set to the default
mode 81h.
Table 64: Set Features — EFh
Register
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
Feature Feature
Sector Count X
Sector Number X
Cylinder Low X
Cylinder High X
Drive Head X X X Drive X
Command EFh
Table 65: Set Features’ Attributes
Feature Operation
01h Enable 8-bit data transfer
66h Disable reverting to power on defaults
81h Disable 8-bit data transfer
BBh 4 bytes of data apply on Read/Write Long commands
CCh Enable revert to power on defaults