Digital Equipment PRIORIS ZX 5000 MP, User Manual

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Device Mapping
C-3
I/O Map
I/O Address(es) Resource
0000–001F DMA controller 1
0020–0021 Interrupt controller 1
0022–0023 EISA bridge configuration space access ports
0024–0025 AIP configuration space access ports
0026–0027 Configuration space access ports
0040–005F Programmable timer
0060, 0064 Keyboard controller
0061 NMI status and control register
0070 NMI mask (bit 7) and RTC address (bits 6:0)
0071 Real-time clock (RTC)
0080–008F DMA low page register
0092 System control port A ( PC-AT control port)
00A0–00BF Interrupt controller 2
00C0–00DF DMA controller 2
00F0 Clear NPX error
00F8–00FF x87 numeric co-processor
0102 Video display controller
0170–0177 Secondary hard disk controller (IDE)
continued