Maxtor 80-160GB manual Register Address Decoding, Command Interface, General Feature Set

ATA Bus Interface and ATA Commands

5.4REGISTER 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.

5.5COMMAND INTERFACE

5.5.1General Feature Set

The µProcessor, Disk Controller, and ATA Interface electronics are contained in a proprietary ASIC developed by Maxtor.

5.5.2Supported 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 5-1Supported Commands

5-2 Maxtor DiamondMax 17 80-160GB AT Hard Disk Drive