Silicon Image SSD-P08G(I)-3521 manual Identify Drive Drive Attribute Data

ATA COMMAND BLOCK AND SET DESCRIPTION SSD-PXXX(I)-3521 DATA SHEET

Identify Drive — Drive Attribute Data

Table 52: Identify Drive — Drive Attribute Data

Word	Data Default	Bytes	Data Description
Address
0	044Ah (fixed	2	General configuration bit information
	ID bit) in IDE		• 15: Non-magnetic disk
	mode
			• 14: Formatting speed latency
			permissible gap needed
			• 13: Track Offset option supported
			• 12: Data Strobe Offset option supported
			• 11: Over 0.5% rotational speed
			difference
			• 10: Disk transfer rate >10Mbps
			• 9: 10Mbps >= disk transfer rate >5Mbps
			• 8: 5Mbps >= disk transfer rate
			• 7: Removable cartridge drive
			• 6: Fixed drive
			• 5: Spindle Motor Control option
			executed
			• 4: Over 15μs changing head time
			• 3: Non-MFM encoding
			• 2: Soft sector allocation
			• 1: Hard sector allocation
			• 0: Reserved
1	XXXXh	2	Number of cylinders
2	0000h	2	Reserved
3	00XXh	2	Number of heads
4	0000h	2	Number of unformatted bytes per track
5	XXXXh	2	Number of unformatted bytes per sector
6	XXXXh	2	Number of sectors per track
7-8	XXXXh	4	Number of sectors per device
9	0000h	2	Reserved
10-19	XXXXh	20	Serial number

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3521P-02DSR PAGE 65 FEBRUARY 2, 2009