SC2200UFH-300 AMD (ADVANCED MICRO DEVICES), SC2200UFH-300 Datasheet - Page 241
SC2200UFH-300
Manufacturer Part Number
SC2200UFH-300
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.SC2200UFH-300.pdf
(429 pages)
Specifications of SC2200UFH-300
Operating Temperature (min)
0C
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
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Core Logic Module - SMI Status and ACPI Registers - Function 1
AMD Geode™ SC2200 Processor Data Book
Offset 20h-21h
The bits in this register contain second level SMI status reporting. Top level status is reported in F1BAR0+I/O Offset 00h/02h[2].
Reading this register does not clear the SMI. For more information, see F1BAR0+I/O Offset 22h.
Offset 22h-23h
The bits in this register contain second level of SMI status reporting. Top level is reported in F1BAR0+I/O Offset 00h/02h[2].
Reading this register clears the status at both the second and top levels.
A read-only “Mirror” version of this register exists at F1BAR0+I/O Offset 20h. If the value of the register must be read without clearing
the SMI source (and consequently de-asserting SMI), F1BAR0+I/O Offset 20h can be read instead.
15:6
15:6
Bit
5
4
3
2
1
0
5
4
3
2
Description
Reserved. Always reads 0.
ACPI BIOS SMI Status. Indicates whether or not an SMI was caused by ACPI software raising an event to BIOS software.
0: No.
To enable SMI generation, set F1BAR1+I/O Offset 0Ch[2] to 1, and F1BAR1+I/O Offset 0Fh[0] to 1.
PLVL3 SMI Status. Indicates whether or not an SMI was caused by a read of the ACPI PLVL3 register (F1BAR1+I/O Offset
05h).
0: No.
To enable SMI generation, set F1BAR1+I/O Offset 18h[11] to 1 (default).
Reserved.
SLP_EN SMI Status. Indicates whether or not an SMI was caused by a write of 1 to the ACPI SLP_EN bit (F1BAR1+I/O
Offset 0Ch[13]).
0: No.
1: Yes.
To enable SMI generation, set F1BAR1+I/O Offset 18h[9] to 1 (default).
THT_EN SMI Status. Indicates whether or not an SMI was caused by a write of 1 to the ACPI THT_EN bit (F1BAR1+I/O
Offset 00h[4]).
0: No.
1: Yes.
To enable SMI generation, set F1BAR1+I/O Offset 18h[8] to 1 (default).
SMI_CMD SMI Status. Indicates whether or not an SMI was caused by a write to the ACPI SMI_CMD register (F1BAR1+I/
O Offset 06h).
0: No.
1: Yes.
A write to the ACPI SMI_CMD register always generates an SMI.
Reserved. Always reads 0.
ACPI BIOS SMI Status. Indicates whether or not an SMI was caused by ACPI software raising an event to BIOS software.
0: No.
1: Yes.
To enable SMI generation, set F1BAR1+I/O Offset 0Ch[2] to 1, and F1BAR1+I/O Offset 0Fh[0] to 1.
PLVL3 SMI Status. Indicates whether or not an SMI was caused by a read of the ACPI PLVL3 register (F1BAR1+I/O Offset
05h).
0: No.
1: Yes.
To enable SMI generation, set F1BAR1+I/O Offset 18h[11] to 1 (default).
Reserved.
SLP_EN SMI Status. Indicates whether or not an SMI was caused by a write of 1 to the ACPI SLP_EN bit (F1BAR1+I/O
Offset 0Ch[13]).
0: No.
1: Yes.
To enable SMI generation, set F1BAR1+I/O Offset 18h[9] to 1 (default).
1:Yes.
1:Yes.
Table 6-33. F1BAR0+I/O Offset: SMI Status Registers (Continued)
Second Level ACPI PME/SMI Status Register (RC)
Second Level ACPI PME/SMI
Status Mirror Register (RO)
32580B
Reset Value: 0000h
Reset Value: 0000h
251
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