Mitsumi electronic Pedion Laptop - Manual (Page 82)

OWNER’S HANDBOOK
A p p e n d i x A / 1
A APPENDIX
I/O Address map
You can change the settings used by the serial, parallel and infrared ports with the BIOS Setup utility.
Address Device
000 – 00F DMA controller 1
020 – 021 Interrupt controller 1
040 – 043 System timer
060 Keyboard
061 System speaker
064 Keyboard
070 – 071 Real time clock
081 – 08F DMA page register
0A0 – 0A1 Interrupt controller 2
0C0 – 0DF DMA controller 2
0F0 – 0FF Numeric data processor
170 – 177 CD-ROM select