
ATA Bus Interface and ATA Commands
5-2
Maxtor Fireball3
5.4
REGISTER ADDRESS DECODING
The Maxtor Fireball3 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 Fireball3 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.
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