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5-2 Maxtor DiamondMax 17 80-160GB AT Hard Disk Drive
ATA Bus Interface and ATA Commands
5.4 REGISTER ADDRESS DECODING
The Maxtor DiamondMax 17 80-160GB AT hard disk drive allow their host
systems to address the full set of command and control registers as specified in clause
5 of the ATA/ATAPI-7 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 DiamondMax 17 80-160GB AT hard disk drive supports all the
mandatory commands from the general feature set for devices not supporting the
Packet command feature set. Table 5-1 lists the supported commands. Refer to the
ATA/ATAPI-7 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.
1. As defined in the ATA/ATAPI-7 standard.
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
FLUSH CACHE EXTENSION EAh
IDENTIFY DEVICE ECh
IDLE 97h, E3h
IDLE IMMEDIATE 95h, E1h
NOP 00h
READ BUFFER E4h
READ DMA C8h, C9h
READ DMA EXTENSION 25h
Table 5-1
Supported Commands