User`s guide

Expansion cards
4/4 FT1200 OWNER’S HANDBOOK
I/O ports Default assignment
080h-09Fh DMA page register
0A0h-0A1h Interrupt controller 2
0B4h, 0B8h, 0BCh Local bus ATA/IDE
0C0h-0DFh DMA controller 2
0F0h, 0F1h Math coprocessor busy (clear/reset)
0F8h-0FFh Math coprocessor
1F0h-1F7h Hard disk drive controller
200h-207h Game I/O (disable)
220h-22Fh, 230h-233Fh Sound blaster system
240h-24Fh, 250h-253Fh Alternate Sound blaster system
278h-27Fh Parallel port 2
2B0h-2DFh Alternate VGA
2F8h-2FFh Serial port 2
300h-301Fh Alternate MIDI (disable)
330h-331Fh MIDI
378h-37Fh Parallel port 1
388h-38Fh FM synthesiser
3B0h-3BFh Monochrome display and printer adapter
3B4h, 3B5h, 3BAh Video subsystem
3C0h-3C5h VGA
3C6h-3C9h Video DAC
3CAh-3DFh VGA
3F0h-3F7h Diskette drive controller
3F8h-3FFh Serial port 1
Base memory address
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