Intergraph TD-20 Setup, Setup Manual

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Input/Output (I/O) Addresses
The following tables list a subset of the reserved I/O addresses.
TD-20
Address (hex) Description
0000 - 000F DMA controller
0020 - 0021 Interrupt controller
0040 - 0043 System timer
0060 - 0060 Keyboard
0061 - 0061 System speaker
0064 - 0064 Keyboard
0070 - 0071 System CMOS/real-time clock
0081 - 008F DMA controller
00A0 - 00A1 Interrupt controller
00C0 - 00DF DMA controller
00F0 - 00FF Math coprocessor
01F0 - 01F7 Primary / PCI IDE controller
0200 - 0207 MIDI / game port
0220 - 022F Audio
0274 - 0277 I/O read data port for ISA Plug and
Play enumerator
02F8 - 02FF Serial port COM2
0330 - 0331 Audio
0378 - 037F Parallel port LPT1
0388 - 038B Audio
03B0 - 03BB PCI Video (VGA)
03C0 - 03DF PCI Video (VGA)
03F0 - 03F5 Floppy disk controller
03F6 - 03F6 Primary / PCI IDE controller
03F7 - 03F7 Floppy disk controller
03F8 - 03FF Serial port COM1
04D0 - 04D1 System board resources
0778 - 077A Parallel port (LPT1)
0CF8 - 0CFB PCI bus
F4F0 - F4F7 Primary / PCI IDE controller