Core Logic Module - Bridge, GPIO, and LPC Registers - Function 0

32579B

Table 6-29. F0: PCI Header/Bridge Configuration Registers for GPIO and LPC Support (Continued)

Bit

Description

 

 

 

2

Codec SDATA_IN SMI Status. Indicates whether or not an SMI was caused by AC97 Codec producing a positive edge on

 

SDATA_IN.

 

 

0:

No.

 

 

1:

Yes.

 

 

To enable SMI generation, set F0 Index 80h[5] = 1.

 

 

 

 

1

RTC Alarm (IRQ8#) SMI Status. Indicates whether or not an SMI was caused by an RTC interrupt.

 

 

0:

No.

 

 

1:

Yes.

 

 

This SMI event can only occur while in 3V Suspend and an RTC interrupt occurs and F1BAR1+I/O Offset 0Ch[0] = 0.

 

 

0

ACPI Timer SMI Status. Indicates whether or not an SMI was caused by an ACPI Timer (F1BAR0+I/O Offset 1Ch or

 

F1BAR1+I/O Offset 1Ch) MSB toggle.

 

 

0:

No.

 

 

1:

Yes.

 

 

To enable SMI generation, set F0 Index 83h[5] = 1.

 

 

 

 

 

Index F8h-FFh

Reserved

Reset Value: 00h

 

 

 

 

AMD Geode™ SC1200/SC1201 Processor Data Book

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Image 223
AMD SC1201, SC1200 manual Index F8h-FFh