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©2008 Advanced Micro Devices, Inc.
SMBus Module and ACPI Block (Device 20, Function 0)
AMD SB600 Register Reference Manual Proprietary Page 145
AcpiEn - RW – 8 bits - [PM_Reg: 10h]
Field Name Bits Default Description
EOSEnale 0 0b Set 1 by software and clear by hardware. This bit needs to
be set in order to generate SMI#/SCI
RTC_En_En 1 0b RTC_EN enable bit. When this bit is set, RTC_EN
(AcpiPmEvtBlk, index x02, bit 10) is visible; otherwise, it is
always 0
Reserved 2 0b
TMR_En_En 3 0b TMR_EN enable bit. When this bit is set, TM_EN
(AcpiPmEvtBlk, index x02, bit 0) is visible; otherwise, it is
always 0
LEVENT_EN_EN 4 0b LEVENT_EN enable bit. When this bit is set, LEVENT_EN
(AcpiGpe0Blk, index x04, bit 8) is visible; otherwise, it is
always 0
GBL_EN_EN 5 0b GBL_EN enable bit. When this bit set, GBL_EN
(AcpiPmEvtBlk, index x02, bit 5) is visible; otherwise, it is
always 0
PciExpWakeDisEn 6 0b PciExpWakeDis enable bit. When this bit is set,
PciExpWakeDis (AcpiPmEvtBlk, index x02, bit 14) is visible;
otherwise, it is always 1
GpioToGEventSel 7 0b This bit is applicable to ASIC Revision A12 and above.
0: ACPI_EVENT[30] register is routed to use GPIO2 as input
1: ACPI_EVENT[30] register is routed to use GPIO66 as
input
S1AgpStpEn - RW – 8 bits - [PM_Reg: 11h]
Field Name Bits Default Description
S1AgpStpEn 0 0b AgpStp enable in S1 state
1: Enable
0: Disable
Reserved 7:1 00h
S1AgpStpEn register.
PmTmr2InitValue - RW – 8 bits - [PM_Reg: 12h]
Field Name Bits Default Description
PmTmr2InitValue 7:0 00h PmTmr2 load value
PmTmr2InitValue register.
PmTmr2CurValue - R – 8 bits - [PM_Reg: 13h]
Field Name Bits Default Description
PmTmr2CurValue 7:0 -- PmTmr2 current value
PmTmr2CurValue register.