FUJITSU MHV2060BH User Manual

Page 178

Interface

5-102

C141-E224

Table 5.26 Features field values and settable modes (2/2)

Features

Field

Drive operation mode

X ' AA '

Enables the read cache function.

X ' BB '

Specifies the transfer of 4-byte ECC for READ LONG and WRITE LONG
commands. (Note)

X ' C2 '

Disables the Acoustic management function.

X ' CC '

Enables the reverting to power-on default settings after software reset. (Note)

Note: Although there is a response to the command, nothing is done.

At power-on, the default mode is set as follows:

Write cashe function

: Enabled

Transfer mode

: PIO Mode-4, Multiworld DMA Mode-2

Advanced

power

management function

: Enabled (Mode-1)

Acoustic
management function

: State keeping

Read cashe function

: Enabled

At power-on or COMRESET, the default mode of Serial ATA function is set as
follows:

DMA Setup FIS Auto-Activate optimization

: Disabled

Device-initiated interface power state Transitions

: Disabled

Software Settings Preservation

: Enabled

• Error reporting conditions

(1) An undefined code is specified in the FR or SC field (ST = 51h, ER = 04h).

(2) A SATA communication error occurred (ST = 51h, ER = 14h).

At command issuance (Shadow Block O registers setting contents)

1 1 1 0 1 1 1 1

x x x x

xx or *1~3

[See Table 5.6]

This manual is related to the following products: