SC1200UFH-266 AMD (ADVANCED MICRO DEVICES), SC1200UFH-266 Datasheet - Page 251
SC1200UFH-266
Manufacturer Part Number
SC1200UFH-266
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.SC1200UFH-266.pdf
(443 pages)
Specifications of SC1200UFH-266
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™ SC1200/SC1201 Processor Data Book
Offset 10h-11h
Notes: 1) This is the top level of PME/SCI status reporting. There is no second level except for bit 3 (GPIOs) where the next level of
15:12
Bit
11
10
0
9
8
7
6
2) If SCI generation is not desired, the status bits are still set by the described conditions and can be used for monitoring pur-
Description
BIOS_EN (BIOS Enable). When this bit is asserted, allow SMI generation by ACPI software via writes to GBL_RLS
(F1BAR1+I/O Offset 0Ch[2]).
0: Disable.
1: Enable
Reserved. Must be set to 0.
Reserved.
GPWIO2_STS. Indicates if PME was caused by activity on GPWIO2.
0: No.
1: Yes.
Write 1 to clear.
For the PME to generate an SCI:
1)
2)
If F1BAR1+I/O Offset 15h[6] = 1 it overrides these settings and GPWIO2 generates an SMI and the status is reported in
F1BAR0+00h/02h[0].
GPWIO1_STS. Indicates if PME was caused by activity on GPWIO1.
0: No.
1: Yes.
Write 1 to clear.
For the PME to generate an SCI:
1)
2)
If F1BAR1+I/O Offset 15h[5] = 1 it overrides these settings and GPWIO1 generates an SMI and the status is reported in
F1BAR0+00h/02h[0].
GPWIO0_STS. Indicates if PME was caused by activity on GPWIO0.
0: No.
1: Yes.
Write 1 to clear.
For the PME to generate an SCI:
1)
2)
If F1BAR1+I/O Offset 15h[4] = 1 it overrides these settings and GPWIO0 generates an SMI and the status is reported in
F1BAR0+00h/02h[0].
Reserved. Must be set to 0.
USB_STS. Indicates if PME was caused by a USB interrupt event.
0: No.
1: Yes.
Write 1 to clear.
For the PME to generate an SCI, set F1BAR1+I/O Offset 12h[6] = 1 and F1BAR1+I/O Offset 0Ch[0] = 1. (See Note 2 in the
general description of this register above.)
status is reported at F0BAR0+I/O Offset 0Ch/1Ch.
poses.
Ensure that GPWIO2 is enabled as an input (F1BAR1+I/O Offset 15h[2] = 0)
Set F1BAR1+I/O Offset 12h[10] = 1 and F1BAR1+I/O Offset 0Ch[0] = 1. (See Note 2 in the general description of this
register above.)
Ensure that GPWIO1 is enabled as an input (F1BAR1+I/O Offset 15h[1] = 0)
Set F1BAR1+I/O Offset 12h[9] = 1 and F1BAR1+I/O Offset 0Ch[0] = 1. (See Note 2 in the general description of this
register above.)
Ensure that GPWIO0 is enabled as an input (F1BAR1+I/O Offset 15h[0] = 0)
Set F1BAR1+I/O Offset 12h[8] = 1 and F1BAR1+I/O Offset 0Ch[0] = 1. (See Note 2 in the general description of this
register above).
Table 6-34. F1BAR1+I/O Offset: ACPI Support Registers (Continued)
GPE0_STS — General Purpose Event 0 PME/SCI Status Register (R/W)
32579B
Reset Value: xxxxh
251
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