Acer Veriton 3000 Service Manual page 22

I/O Address Map
Hex Range
000-00F
020-021
040-043
060-060
061-061
070-071
081-08F
0A0-0A1
0C0-0DF
0F0-0FF
170-177
1F0-1F7
278-27F
2F8-2FF
378-37F
3F0-3F5
3F6-3F6
3F7-3F7
3F8-3FF
0CF8
0CFC
778-77A
IRQ Assignment Map
IRQx
IRQ0 Timer
IRQ1 Keyboard
IRQ2 Cascade Interrupt Control
IRQ3 Serial Alternate
IRQ4 Serial Primary
IRQ5 MPU-401 (Alternate)
IRQ6 Floppy Diskette
IRQ7 Parallel Port
IRQ8 Real Time Clock
IRQ9 USB
IRQ10 LAN
IRQ1 Audio
IRQ12 PS/2 Mouse
IRQ13 Math Co-processor Exception
IRQ14 Primary IDE
IRQ15 Secondary IDE
NOTE: N - Not in use
16
DMA Controller-1
Interrupt Controller-1
System Timer
Keyboard Controller 8742
System Speake
CMOS RAM Address and Real Time Clock
DMA Controller-2
Interrupt Controller-2
DMA Controller-2
Math Co-Processor
Secondary IDE
Primary IDE
Parallel Printer Port 2
Serial Asynchronous Port 2
Parallel Printer Port 1
Diskette Drive Controller
Secondary IDE
Primary IDE
Serial Asynchronous Port 1
Configuration Address Register
Configuration Data Register
Parallel Printer Port 1
System Devices
Devices
Add-On-Card Devices
N
N
N
Reserved
Reserved
Reserved
Reserved
Reserved
N
Reserved
Reserved
Reserved
Reserved
N
Reserved
Reserved
Chapter 1