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ATA Bus Interface and ATA Commands
5-2 Quickview 40 20/30/40GB AT
5.4 REGISTER ADDRESS DECODING
The Maxtor Quickview 40 hard disk drives allow their host systems to address the full
set of command and control registers as specified in clause 7 of the ATA/ATAPI-6
standard.
5.5 COMMAND INTERFACE
5.5.1 General Feature Set
The µProcessor, Disk Controller, and ATA Interface electronics are contained in a
proprietary ASIC developed by Maxtor.
5.5.2 Supported Commands
The Maxtor Quickview 40 hard disk drives support all the mandatory commands from
the general feature set for devices not supporting the Packet command feature set.
Refer to the ATA/ATAPI-6 standard for a detailed description of these commands.
The IDENTIFY DRIVE command, however, is elaborated in the section "Identify
Drive Command" on page 5-5.
Table 5-1 lists the supported commands.
Table 5-1 Supported Commands
Command
Command
Code
Feature
Register
Value(s)
CHECK POWER MODE 98h, E5h
DEVICE CONFIGURATION FREEZE LOCK B1h C1h
DEVICE CONFIGURATION IDENTIFY B1h C2h
DEVICE CONFIGURATION RESTORE B1h C0h
DEVICE CONFIGURATION SET B1h C3h
DOWNLOAD MICROCODE 92h 07h, 01h
EXECUTE DRIVE DIAGNOSTIC 90h
FLUSH CACHE E7h
IDENTIFY DRIVE ECh
IDLE 97h, E3h
IDLE IMMEDIATE 95h, E1h
NOP 00h