System i/o address map – Sony PCV-L400 User Manual
Page 94

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