82801FB Datasheet, PDF (362/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

LPC Interface Bridge Registers (D31:F0)
Table 10-2. DMA Registers (Sheet 2 of 2)
Port
Alias
Register Name
89h
8Ah
8Bh
8Ch–8Eh
8Fh
C0h
C2h
C4h
C6h
C8h
CAh
CCh
CEh
D0h
D4h
D6h
D8h
DAh
DCh
DEh
99h
9Ah
9Bh
9Ch–9Eh
9Fh
C1h
C3h
C5h
C7h
C9h
CBh
CDh
CFh
D1h
D5h
D7h
D9h
DBh
DDh
DFh
Channel 6 DMA Memory Low Page
Channel 7 DMA Memory Low Page
Channel 5 DMA Memory Low Page
Reserved Page
Refresh Low Page
Channel 4 DMA Base & Current Address
Channel 4 DMA Base & Current Count
Channel 5 DMA Base & Current Address
Channel 5 DMA Base & Current Count
Channel 6 DMA Base & Current Address
Channel 6 DMA Base & Current Count
Channel 7 DMA Base & Current Address
Channel 7 DMA Base & Current Count
Channel 4–7 DMA Command
Channel 4–7 DMA Status
Channel 4–7 DMA Write Single Mask
Channel 4–7 DMA Channel Mode
Channel 4–7 DMA Clear Byte Pointer
Channel 4–7 DMA Master Clear
Channel 4–7 DMA Clear Mask
Channel 4–7 DMA Write All Mask
Default
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
000001XXb
000000XXb
Undefined
Undefined
Undefined
0Fh
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
WO
RO
WO
WO
WO
WO
WO
R/W
362
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet