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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 154
GPMLevelConfig1 - RW – 8 bits - [PM_Reg: 38h]
Field Name Bits Default Description
SataSciLevelConfig 7 0b SataSci input level configuration
1 – Rising edge trigger
0 – Falling edge trigger
GEvtStatus - RW – 8 bits - [PM_Reg: 39h]
Field Name Bits Default Description
GEvtStatus 7:0 -- GEVENT status. Write 1 to clear each bit
GEvtStatus register.
PMEStatus0 - RW – 8 bits - [PM_Reg: 3Ah]
Field Name Bits Default Description
ExtEvent0Status 0 0b EXTEVENT0 -> SMI# status; write 1 to clear
ExtEvent1Status 1 0b EXTEVENT1 -> SMI# status; write 1 to clear
PCIePmeStatus 2 0b PCIePme -> SMI# status; write 1 to clear
Gpm0Status 3 0b GPM0 -> SMI# status; write 1 to clear
Gpm1Status 4 0b GPM1 -> SMI# status; write 1 to clear
Gpm2Status 5 0b GPM2 -> SMI# status; write 1 to clear
Gpm3Status 6 0b GPM3 -> SMI# status; write 1 to clear
Gpm8Status 7 0b GPM8 -> SMI# status; write 1 to clear
PMEStatus1- RW – 8 bits - [PM_Reg: 3Bh]
Field Name Bits Default Description
Gpio0Status 0 0b Gpio0 or WAKE# -> SMI# status; write 1 to clear
Gpm4Status 1 0b GPM4 -> SMI# status; write 1 to clear
Gpm5Status 2 0b GPM5 -> SMI# status; write 1 to clear
AzPmeStatus 3 0b AzPme -> SMI# status; write 1 to clear
Gpm6Status 4 0b GPM6 -> SMI# status; write 1 to clear
Gpm7Status 5 0b GPM7 -> SMI# status; write 1 to clear
Gpio2Status 6 0b Gpio2 -> SMI# status; write 1 to clear
SataSciStatus 7 0b SataSci -> SMI# status; write 1 to clear
OthersConfig- RW – 8 bits - [PM_Reg: 3Ch]
Field Name Bits Default Description
LegacySMIConfig 1:0 00b These two bits configure legacy SMI# events
00 ACPI Event (trigger SCIOUT or SMI#
depending on SCI_EN bit)
01 Legacy SMI EVENT to generate SMI#
10 Legacy SMI EVENT to generate SMI# followed by SCI
11 Legacy SMI EVENT to generate IRQ13
TALERTConfig 3:2 00b These two bits configure TALERT pin
00 ACPI Event (trigger SCIOUT or SMI#
depending on SCI_EN bit)
01 TALERT to generate SMI#
10 TALERT to generate SMI# followed by SCI
11 TALERT to generate IRQ13
USBConfig 5:4 00b These two bits configure internal USB PME
00 ACPI Event (trigger SCIOUT or SMI#
depending on SCI_EN bit)
01 UsbPme to generate SMI#
10 UsbPme to generate SMI# followed by SCI
11 UsbPme to generate IRQ13