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Table 5.5
Information to be read by IDENTIFY DEVICE command (3 of 3)
*10 Word 64: Advance PIO transfer mode support status
Bit 15-8: Reserved
Bit 7-0: Advance PIO transfer mode
Bit 1=1 Mode 4
Bit 0=1 Mode 3
*11 Word 80: Major version number
Bit 15-4: Reserved
Bit 3:
ATA-3 Supported=1
Bit 2:
ATA-2 Supported=1
Bit 1:
ATA-1 Supported=1
Bit 0:
Undefined
*12 Word 82: Support of command sets
Bit 15: Identify Device DMA command supported = 1
Bit 14: NOP command supported = 0
Bit 13: Read Buffer command supported = 1
Bit 12: Write Buffer command supported = 1
Bit 11: Write Buffer command supported (Old Spec.) = 1
Bit 10: Host Protected Area feature command supported = 0
Bit 9:
Device Reset command supported = 0
Bit 8:
SERVICE Interrupt supported = 0
Bit 7:
Release Interrupt supported = 0
Bit 6:
Lock Ahead supported = 1
Bit 5:
Write-cache supported = 1
Bit 4:
Packet command feature set supported = 0
Bit 3:
Power Management feature set supported=1
Bit 2:
Removable feature set supported=0
Bit 1:
Security feature set supported=1
Bit 0:
SMART feature set supported=1
*13 Word 88: Ultra DMA modes
Bit 15-11: Reserved
Bit 10-8: Currently used Ultra DMA transfer modes
Bit 7-3:
Reserved
Bit 2-0:
Supportable Ultra DMA transfer mode
Bit 2=1 Mode 2
Bit 1=1 Mode 1
Bit 0=1 Mode 0
5 - 32
C141-E056-01EN
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