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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 185
SlaveMisc- RW - 8 bits - [ASF_IO: 0Dh]
Field Name Bits Default Description
KillSlave 6 0b RW
Write 1 to reset Slave ASF Slave state machine
LegacySensorEn 7 0b RW
0: Disable Legacy Sensor
1: Enable Legacy Sensor
RemoteCtrlAdr– RW - 8 bits - [ASF_IO: 0Eh]
Field Name Bits Default Description
Reserved 0 0b
RemoteCtrlAdr 7:1 00h SM address of Remote Control device.
SensorAdr– RW - 8 bits - [ASF_IO: 0Fh]
Field Name Bits Default Description
Reserved 0 0b
SensorAdr 7:1 00h SM address of Sensor.
The SB600 is hardcoded to recognize the following ASF commands. The BIOS should report these values
accordingly in the ASF table if the system supports ASF function.
Control command Control data value
Reset 00h 00h
PowerUp 01h 00h
PowerDown 02h 00h
PowerCycle 03h 00h
SensorPolling 23h 00h