ATA Bus Interface and ATA Commands
5-2
Quickview 300
80/100/120/160/200/250/300GB PATA
Hosts may assert the RESET- signal for longer than the minimum. When
power is applied with RESET- asserted, the
Quickview 300
disk media
will not begin to spin up until RESET- is negated. This may reduce
maximum current consumption for the overall system.
5.4
REGISTER ADDRESS DECODING
The
Quickview 300
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 PATA Interface electronics are
contained in a proprietary ASIC developed by Maxtor.
5.5.2
Supported Commands
The
Quickview 300
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 6.
Note:
1. As defined in the ATA/ATAPI-6 standard.
Table 5-1 lists the supported commands.
Table 5-1
Supported Commands
Command
Command
Code
Feature
Register
Value(s)
CHECK POWER MODE
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
