Intel 6 SERIES CHIPSET - DATASHEET 01-2011 Datasheet page 597

SATA Controller Registers (D31:F2)
14.4.1.8 CAP2—HBA Capabilities Extended
Address Offset: ABAR + 24h–27h
Default Value:
Function Level Reset:No
Bit
31:3 Reserved
Automatic Partial to Slumber Transitions (APST)
2 0= Not supported
1= Supported
1:0 Reserved
14.4.1.9 VSP—Vendor Specific (D31:F2)
Address Offset: ABAR + A0h–A3h
Default Value:
Bit
31:1 Reserved
SATA Initalization Field — R/WO
0
BIOS must clear this bit by writing a 0 to this field.
Datasheet
00000004h
00000001h
Attribute: RO
Size: 32 bits
Description
Attribute: RO, R/WO
Size: 32 bits
Description
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