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VAIO Computer Reference Manual
86
System I/O Address Map
Address Range
(hex)
Description
0000 - 000F DMA controller 1
0020 - 0021 Programmable interrupt controller 1
002E - 002F Super I/O controller configuration registers
0040 - 0043 Counter/timer 1
0048 - 004B Counter/timer 2
0060 Keyboard controller byte - reset IRQ
0061 NMI status and speaker controller
0064 Keyboard controller, CMD/STAT byte
0070 (bit 7) Enable NMI
0070 (bits 6:0) Real time clock, address
0071 Real time clock, data
0078 Reserved for system board configuration
0079 Reserved for system board configuration
0080 - 008F DMA page registers
00A0 - 00A1 Programmable interrupt controller 2
00C0 - 00DE DMA controller 2
00F0 Clear numeric data processor error
0170 - 0177 Secondary IDE controller
01F0 - 01F7 Primary IDE controller
0201 Audio/game port controller
0220-022F Sound port (Sound Blaster compatible)
0228 - 022F LPT3
0240 - 024F Sound port (Sound Blaster compatible)
0278 - 027F LPT2
0290 - 0297 Management extension hardware
02E8 - 02EF COM4/Video (8514A)
02F8 - 02FF COM2
0300 - 0301 MPU-401 (MIDI)
0330 - 0331 MPU-401 (MIDI)
0330 - 0333 MPU-401 (MIDI)
0334 - 0335 MPU-401 (MIDI)
0376 Secondary IDE controller command port
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