Maxtor QUICKVIEW 300 User Manual

Page 44

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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

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