AMD SB600 - Manual (Page 131)

©2008 Advanced Micro Devices, Inc. SMBus Module and ACPI Block (Device 20, Function 0)
AMD SB600 Register Reference Manual Proprietary Page 131
RtcDataPort - RW – 8 bits - [IO_Reg: 71h]
Field Name Bits Default Description
RtcDataPort
AlternatRtcAddrPort - RW – 8 bits - [IO_Reg: 72h]
Field Name Bits Default Description
AlternatRTCAddrPort 7:0 00h This is used with internal RTC. This port allows user to specify
the full 8 bit address (instead of bank0/bank1 indexing) to
access the 256 byte RTC RAM
AlternatRtcAddrPort
AlternatRtcDataPort - RW – 8 bits - [IO_Reg: 73h]
Field Name Bits Default Description
AlternatRTC Data Port 7:0 00h This is used with internal RTC in conjunction with port h72
AlternatRtcDataPort
Dma_PageCh2 - RW – 8 bits - [IO_Reg: 81h]
Field Name Bits Default Description
Dma_PageCh2 7:0 00h DMA2 ch 2 page register
Dma_PageCh2 register
Dma_PageCh3 - RW – 8 bits - [IO_Reg: 82h]
Field Name Bits Default Description
Dma_PageCh3 7:0 00h DMA2 ch 3 page register
Dma_PageCh3 register
Dma_PageCh1 - RW – 8 bits - [IO_Reg: 83h]
Field Name Bits Default Description
Dma_PageCh1 7:0 00h DMA2 ch 1 page register
Dma_PageCh1 register
Dma_Page_Reserved1- RW – 8 bits - [IO_Reg: 84h]
Field Name Bits Default Description
Dma_Page_Reserved1 7:0 00h Dma Page Reserved1 register
Dma_Page_Reserved1 register
Dma_Page_Reserved2- RW – 8 bits - [IO_Reg: 85h]
Field Name Bits Default Description
Dma_Page_Reserved2 7:0 00h Dma Page Reserved2 register
Dma_Page_Reserved2 register
Dma_Page_Reserved3- RW – 8 bits - [IO_Reg: 86h]
Field Name Bits Default Description
Dma_Page_Reserved3 7:0 00h Dma Page Reserved3 register
Dma_Page_Reserved3 register
Dma_PageCh0 - RW – 8 bits - [IO_Reg: 87h]
Field Name Bits Default Description
Dma_PageCh0 7:0 00h DMA2 ch 0 page register
Dma_PageCh0 register