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7K200 SATA OEM Specification

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14.1 Check Power Mode (E5h/98h)

Command Block Output Registers

Command Block Input Registers

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

- - - - -

- Device

- - - - - -

Command

1 1 1 0 0 1 0 1 Status

...See

Below...

Error Register

Status Register

7 6 5 4 3 2 1 0

CRC UNC 0

IDN

0 ABT T0N

BSY RDY

DF DSC DRQ

COR IDX

ERR

0 0 0 0 0 V 0 0

0 0 0 - - 0 0 V

Table 43 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 immediate access.

Input Parameters From The Device
Sector Count

The power mode code. The command returns FFh in the Sector Count Register if the spindle
motor is at speed and the device is not in Standby or Sleep mode. Otherwise, the Sector Count
Register will be set to 0.