I/O Address Map - NEC POWERMATE VE - SERVICE MANUAL 08-1996 Service Manual

Address (Hex)
0000-000F
0020-0021
0040-0043
0048-004B
0060
0061
0064
0070-007F
0080-008F
00A0-00A1
00C0-00DE
00E0-00EF
00F0
00F1
0F8-0FF
170-177
1F0-1F7
200, 202, 207
220-22F
238-23F
278-27F
2B0-2DF
2F8-2FF
338-33F
370-375
376
377
Table 1-4 I/O Address Map
I/O Device Name
DMA controller 1 (channel 0-3)
Interrupt controller 1
Timer 1
Timer 2
Keyboard controller data byte
NMI status and speaker control
Keyboard controller cmd/status byte
Real-time clock, NMI mask
DMA page registers
Interrupt controller 2
DMA controller 2
Reserved
Clear math coprocessor error
Reset math coprocessor
Math coprocessor
Secondary IDE channel
Primary IDE channel
Game I/O
Sound port
Serial port 4 (used for remapping)
Parallel port 2
Alternate EGA adapter
Serial port 2
Serial port 3 (used for remapping)
Floppy cont. (secondary address)
Secondary IDE channel CMD port
Secondary IDE channel stat port
Technical Information 1-7