Specifications

Chipset and I/O Map
EPC-100 Hardware Reference A-4
DMA Page Registers
I/O Addr Functional group Usage
081 DMA Channel 2 page register
082 Channel 3 page register
083 Channel 1 page register
087 Channel 0 page register
089 Channel 6 page register
08A Channel 7 page register
08B Channel 5 page register
08F Refresh page register
Second Interrupt Controller
0A0 Interrupt controller 2 Port 0
0A1 Port 1
Power Management Controller
0B2 Power Management Control
0B3 Status
DMA Controller
0C0 DMA Channel 4 address
0C2 Channel 4 count
0C4 Channel 5 address
0C6 Channel 5 count
0C8 Channel 6 address
0CA Channel 6 count
0CC Channel 7 address
0CE Channel 7 count
0D0 Command/status
0D2 DMA request