Maxtor 546106, 51536H2, 52049H3, 53073H4 ModeSet/CheckCommands, VAL UE DES C RIP Tion, Le Ve L

Models: 546106 51536H2 52049H3 53073H4

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INTERFACE COMMANDS

ModeSet/CheckCommands

Set Features Mode

Enables or disables features supported by the drive. When the drive receives this command it:

1.Sets BSY,

2.Checks the contents of the Features register,

3.Clears BSY and

4.Generates an interrupt.

If the value of the register is not a feature supported by the drive, the command is aborted. The acceptable values in the Features register are defined as follows:

VAL UE

DES C RIP TION

 

 

 

02h

Enabled Write Cache

 

 

 

03h

Set Transfer Mode based on value in Sector Count register

 

 

 

05h

Enable Advanced Power Management

42h

Enable Automatic Acoustic Management. The sector count register c ontains the

 

Automatic Ac ous tic Management level.

 

S EC TOR

LE VE L

 

 

 

 

F Fh

Maxtor specific

 

 

 

 

FEh

Maximum performance

 

81h-FD h

Intermediate acoustic management levels

 

 

 

 

80h

Minimum acoustic emanation level

 

 

 

 

00h- 7Fh

reserved

44h

Length of data appended on Read Long/Write Long commands specified in the

 

Identify D evice information

55h

Disable Read Look-ahead feature

 

 

 

66h

Disable reverting to Power-on defaults

 

 

 

82h

D isable Write Cache

85h

Disable Advanced Power Management

 

 

 

AAh

Enable Read Look-ahead feature

BBh

4 bytes of Maxtor specific data appended on Read Long/W rite Long commands

 

 

 

C2h

D isable Automatic Acoustic Management

 

 

 

CC h

Enable reverting to Power- on defaults

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Maxtor 546106, 51536H2, 52049H3, 53073H4 specifications ModeSet/CheckCommands, VAL UE DES C RIP Tion, Le Ve L