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ATA COMMAND BLOCK AND SET DESCRIPTION SSD-HXXX(I)-3650 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.
DOCUMENT: 3650H-02DSR JUNE 17, 2008 PAGE 29
Check Power Mode — 98h, E5h
The Check Power Mode command verifies the device’s current power mode.
When the device is configured for standby mode or is entering or exiting
standby, the BSY bit is set, the Sector Count register set to 00h, and the BSY
bit is cleared. In idle mode, BSY is set and the Sector Count register is set to
FFh. The BSY bit is then cleared and an interrupt is issued.
Table 31: Check Power Mode — 98h, E5h
Register
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
Feature X
Sector Count X
Sector Number X
Cylinder Low X
Cylinder High X
Drive Head X X X Drive
Command 98h or E5h