Maxtor 96147H6, 98196H8 specifications ModeSet/CheckCommands, VAL UE DES C RIP Tion, Le Ve L

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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