Intel 6 SERIES CHIPSET - DATASHEET 01-2011 Datasheet page 571

SATA Controller Registers (D31:F2)
14.1.33 SCLKGC—SATA Clock General Configuration Register
Address Offset: 9Ch–9Fh
Default Value:
Function Level Reset: No
Bit
31:8
7
7
(RAID
Capable
SKUs
Only)
6:1
0
Datasheet
00000000h
Reserved
Reserved
Alternate ID Enable (AIE) — R/WO.
0 = When in RAID mode the SATA Controller located at Device 31: Function 2 will
report the following Device ID 2822h for Desktop or 282Ah for Mobile and the
Microsoft Windows Vista* in-box version of the Intel
will load on the platform.
1 = When in RAID mode the SATA Controller located at Device 31: Function 2 will
report the following Device ID 1C04h for Desktop or 1C05h for Mobile to
prevent the Microsoft Windows Vista in-box version of the Intel
Storage Manager from loading on the platform and will require the user to
perform an 'F6' installation of the appropriate Intel
NOTE: This field is applicable when the AHCI is configured for RAID mode of
operation. It has no impact for AHCI and IDE modes of operation. BIOS is
recommended to program this bit prior to programming the MAP.SMS field
to reflect RAID. This field is reset by PLTRST#. BIOS is required to
reprogram the value of this bit after resuming from S3, S4, and S5.
Reserved
SATA 4-port All Master Configuration Indicator (SATA4PMIND) — RO.
0 = Normal configuration.
1 = Two IDE Controllers are implemented, each supporting two ports for a Primary
Master and a Secondary Master.
NOTE: BIOS must also make sure that corresponding port clocks are gated (using
SCLKCG configuration register).
Attribute: R/W, R/WO
Size: 32 bits
Description
®
Rapid Storage Manager
®
Rapid Storage Manager.
®
Rapid
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