AMD SC3200 Computer Hardware User Manual


 
AMD Geode™ SC3200 Processor Data Book 221
Core Logic Module - Bridge, GPIO, and LPC Registers - Function 0
32581C
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
Table 6-29. F0: PCI Header/Bridge Configuration Registers for GPIO and LPC Support (Continued)
Bit Description