Travelstar 5K100 Hard Disk Drive Specification
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13.1 Check Power Mode (E5h/98h)
Table 60: Check Power Mode Command (E5h/98h)
The Check Power Mode command will report whether the device is spun up and the media is available for immedi-
ate access.
Input parameters from the device
Sector Count This indicates the power mode code. The command returns FFh in the Sector Count Reg-
ister if the spindle motor is at speed and the device is not in Standby or Sleep mode. Other-
wise, the Sector Count Register is set to 0.
Command Block Output Registers Command Block Input Registers
Register 7 6 5 4 3 2 1 0 Register 7 6 5 4 3 2 1 0
Data - - - - - - - - Data - - - - - - - -
Feature - - - - - - - - Error see below
Sector Count - - - - - - - - Sector Count V V V V V V V V
LBA Low - - - - - - - - LBA Low - - - - - - - -
LBA Mid - - - - - - - - LBA Mid - - - - - - - -
LBA High - - - - - - - - LBA High - - - - - - - -
Device 1 - 1 D - - - - Device - - - - - - - -
Command 1 1 1 0 0 1 0 1 Status see below
Error Register Status Register
7654321 0 76543 21 0
CRC UNC 0 IDN 0 ABT T0N AMN BSY RDY DF DSC DRQ COR IDX ERR
00000V0 0 000-- 0- V
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