82443MX Datasheet, PDF (61/173 Pages) Intel Corporation – PCIset

82443MX PCIset
I/O
Alias
Address
08Dh
08Eh
09Dh
09Eh
08Fh
92h
09Fh
—
Register Name/Function
DMA1 Page Register (RESERVED)
DMA1 Page Register (RESERVED)
DMA1 Low Page Register Refresh
Fast A20 and Init Register
Bus
Master
Access
Forwarded
to ISA/EIO?
forwarded if
enabled
Default
Value
CPU / PCI Writes
forwarded
CPU / PCI Writes
forwarded
Alias writes
forwarded if
enabled
CPU / PCI Never
CPU / PCI Never
00h
Reg.
Type
R/W
R/W
R/W
R/W
0A0h
0A1h
0B2h
0B3h
0C0h
0C2h
0C4h
0C6h
0C8h
0CAh
0CCh
0CEh
0D0h
0D0h
0D2h
0A4, 0A8, INT2 Control Register
0AC, 0B0,
0B4, 0B8,
0BCh
CPU / PCI Never
0A5, 0A9, INT2 1 Mask Registers
0AD, 0B1,
0B5, 0B9,
0BDh
CPU / PCI Never
—
Advanced Power Management
CPU / PCI Never
Control Port
—
Advanced Power Management Status CPU / PCI Never
Port
0C1h
DMA2 Base/Current Address (Ch4) CPU / PCI Never
0C3h
DMA2 Base/Current Byte/Word Ch4 CPU / PCI Never
0C5h
DMA2 Base/Current Address (Ch5) CPU / PCI Never
0C7h
DMA2 Base/Current Byte/Word Ch5 CPU / PCI Never
0C9h
DMA2 Base/Current Address (Ch6) CPU / PCI Never
0CBh DMA2 Base/Current Byte/Word Ch6 CPU / PCI Never
0CDh DMA2 Base/Current Address Ch7 CPU / PCI Never
0CFh
DMA2 Base/Current Byte/Word Ch7 CPU / PCI Never
0D1h
DMA2 Command Register (Ch 4-7) CPU / PCI Never
0D1h
DMA2 Status Register (Ch 4-7)
CPU / PCI Never
0D3h
DMA2 Request Register (Ch 4-7)
CPU / PCI Never
R/W
R/W
00h
R/W
00h
R/W
XXXXh R/W
XXXXh R/W
XXXXh R/W
XXXXh R/W
XXXXh R/W
XXXXh R/W
XXXXh R/W
XXXXh R/W
00h
WO
00h
RO
000000XX WO
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