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Mitsubishi Electric Apricot LS660 Owner's Handbook Manual Page 35

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E x p a n s i o n c a r d s
Base memory address
4/4
LS/VS660 OWNER'S HANDBOOK
I/O ports
080h-09Fh
0A0h-0A1h
0B4h, 0B8h, 0BCh
0C0h-0DFh
0F0h, 0F1h
0F8h-0FFh
1F0h-1F7h
200h-207h
220h-22Fh, 230h-233Fh
240h-24Fh, 250h-253Fh
278h-27Fh
2B0h-2DFh
2F8h-2FFh
300h-301Fh
330h-331Fh
378h-37Fh
388h-38Fh
3B0h-3BFh
3B4h, 3B5h, 3BAh
3C0h-3C5h
3C6h-3C9h
3CAh-3DFh
3F0h-3F7h
3F8h-3FFh
Some expansion cards are fitted with memory of their own, usually
read-only memory (ROM) containing functional extensions to the
computer's BIOS (basic input/output system) ROM. Some cards
also have random-access memory (RAM).
In order that this memory can be recognised by the system
processor, it must be mapped somewhere within the computer's
own address space. By setting the base memory address you specify
Default assignment
DMA page register
Interrupt controller 2
Local bus ATA/IDE
DMA controller 2
Math coprocessor busy (clear/reset)
Math coprocessor
Hard disk drive controller
Game I/O (disable)
Sound blaster system
Alternate Sound blaster system
Parallel port 2
Alternate VGA
Serial port 2
Alternate MIDI (disable)
MIDI
Parallel port 1
FM synthesiser
Monochrome display and printer adapter
Video subsystem
VGA
Video DAC
VGA
Diskette drive controller
Serial port 1

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