Maxtor 80-160GB manual Identify Drive Command, Word Content Description

ATA Bus Interface and ATA Commands

5.5.3Identify Drive Command

This command allows the host to receive parameter information from the drive. When the command is received, the drive:

1.Sets BSY

2.Stores the required parameter information in the sector buffer

3.Sets the DRQ bit

4.Generates an interrupt

The host may then read the information out of the sector buffer. Parameter words in the buffer are shown in Table 5-2.

Note: All reserved bits or words should be zeroes.

		Table 5-2Identify Drive Command Parameters
Word		Content Description
0	General configuration bit-significant information:
	15:	0 = ATA device
	14-8:	Retired
	7:	1 = removable media device
	6:	Obsolete
	5-3:	Retired
	2:	Response incomplete
	1:	Retired
	0:	Reserved
1	Obsolete
2	Specific configuration
3	Obsolete
4-5	Retired
6	Obsolete
7-8	Reserved for assignment by the CompactFlash Association
9	Retired
10-19	Serial number (20 ASCII characters)
20-21	Retired
22	Reserved
23-26	Firmware revision (8 ASCII characters)
27-46	Model number (40 ASCII characters)

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