CARD-PCI/GX Hardware Manual
Rev.A
EPSON
9
I/O Address
Register
Function
A0h WO Initialization Control Word ICW1
0A0h-BFh
A0h WO Operation Control Word OCW2
Interrupt
Controller 2
A0h WO Operation Control Word OCW3
(82C59A equivalent)
A0h RO
Interrupt Service Resister
Interrupt
A0h RO
Interrupt Request Resister
Controller 2
0A0h-BFh
A1h WO Initialization Control Word ICW2
(82C59A
equivalent)
A1h WO Initialization Control Word ICW3
A1h WO Initialization Control Word ICW4
A1h RW
Operation Control Word OCW1
A1h RW
Interrupt Mask Resister
C0h RW
DMA Channel 4 Base and Current
Address
C2h RW
DMA Channel 4 Base and Current Word
0C0h-0DFh
C4h RW
DMA Channel 5 Base and Current
Address
C6h RW
DMA Channel 5 Base and Current Word
C8h RW
DMA Channel 6 Base and Current
Address
CAh RW DMA Channel 6 Base and Current Word
CCh RW DMA Channel 7 Base and Current
Address
CEh RW DMA Channel 7 Base and Current Word
D0h W0
Command Register
D0h RO
Status Register
D2h WO Request Register
D4h WO Mask Register
D6h WO Mode Register
D8h WO Clear Byte Pointer
DMA
Controller 2
(82C37A
equivalent)
DAh RO Master Clear
DAh WO Temporary Register
DCh WO Clear Mask Register
DEh WO Write all Mask Register
0F0h-0FFh
F0h,F1h
WO
Mathematical Co-processor Resister
100h-1EFh
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Usable with ISA
bus
