I/O Space - Mitsubishi Electric LS Pro Hardware Technical Reference

Memory and I/O Usage
5.3

I/O SPACE

The table below shows the general use of I/O space on the LS Pro system board. The
pages which follow describe in more detail specific ports and groups of ports.
Addresses (hex)
0000-000F
0020-0021
0040-0043
0060
0061
0064
0070-0071
0080-008F
00A0-00A1
00C0-00DF
00E8-00FE
0120-012F
01F0-01F7
02F8-02FF
0300-030F
0388-038F
03B4, 03B5, 03BA
03BC-03BE
03C0-03C5
03C6-03C9
03CE, 03CF, 03D4
03D5, 03DA
03F2-03F5
03F6, 03F7
03F8-03FF
46E8
5/4 LS PRO HARDWARE TECHNICAL REFERENCE
Device
Master DMA controller
Master interrupt controller
System timers
Keyboard controller
Port B (PPI control port)
Keyboard controller
RTC RAM/NMI mask
DMA page registers
Slave interrupt controller
Slave DMA controller
SCAMP
Apricot ports
Hard disk drive
Serial port 2
Ethernet controller
Business audio
VGA
Parallel port controller
VGA
Video DAC
VGA
VGA
Floppy disk controller
Floppy and hard disk controller
Serial port 1
VGA setup