Fujitsu MHV2080BH, MHV2120BH, MHV2100BH, MHV2040BH, MHV2060BH manual

Models: MHV2100BH MHV2040BH MHV2120BH MHV2060BH MHV2080BH

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Interface

 

 

APM Level

Sector Count Field

 

 

 

Mode 0

Active Idle Low Power Idle

C0h-FEh

Mode 1

Active Idle Low Power Idle

80h-BFh

Mode 2

Active Idle Low Power Idle Standby

01h-7Fh

Reserve (State Keep)

00h, FFh

 

 

 

Active Idle:

The spindle motor rotates, and the head is loaded on

 

 

the most inner position on media.

Low Power Idle: The spindle motor rotates, and the head is unloaded.

Standby:

The spindle motor stops, and the head is unloaded.

*3) Serial ATA Functions

The host can enable and disable the following Serial ATA functions by issuing this command after setting X'10/90' in the Features field and an applicable value in the Sector Count field:

Serial ATA function

Sector Count field

 

 

Non-zero buffer offset in DMA Setup FIS

01h (*1)

DMA Setup FIS Auto-Activate optimization

02h (*2)

Device-initiated interface power state Transitions

03h (*3)

Guaranteed In-Order Data Delivery

04h (*1)

Asynchronous Notification

05h (*1)

Software Settings Preservation

06h (*4)

 

 

*1 The device normally responds to the command but performs no operation.

*2 This feature is disabled when power is on. While this function is enabled, the device does not return the DMA Activate FIS for the first data sector after the WRITE FP DMA QUEUED command is issued.

*3 This feature is disabled when power is on. While this function is enabled, the device perform interface power save.

*4: This feature is enabled when power is on. While this function is enabled, the device preserves the software settings across COMRESET.

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C141-E224

Page 182
Image 182
Fujitsu MHV2080BH, MHV2120BH, MHV2100BH, MHV2040BH, MHV2060BH manual