Seagate 810 manual ATA Interface commands Supported ATA commands, Nop

Marathon 810 (ST9816AG) Product Manual, August 1995 23

3.2 ATA Interface commands

3.2.1Supported ATA commands

The following table lists ATA-standard and Seagate-specific drive com- mands that the ST9816AG supports. For a detailed description of the ATA commands, refer to the Draft Proposed ATA-2 Standard.

	Command	Supported by
Command name	code	ST9816AG
ATA-standard commands
Execute Drive Diagnostics	90H	Yes
Format Track	50H	Yes
Identify Drive	ECH	Yes
Initialize Drive Parameters	91H	Yes
NOP	00H	No
Read Buffer	E4H	Yes
Read DMA (w/retry)	C8H	Yes
Read DMA (no retry)	C9H	Yes
Read Long (w/retry)	22H	Yes
Read Long (no retry)	23H	Yes
Read Multiple	C4H	Yes
Read Sectors (w/retry)	20H	Yes
Read Sectors (no retry)	21H	Yes
Read Verify Sectors (w/retry)	40H	Yes
Read Verify Sectors (no retry)	41H	Yes
Recalibrate	1xH	Yes
Seek	7xH	Yes
Set Features	EFH	Yes
Set Multiple Mode	C6H	Yes
Write Buffer	E8H	Yes