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Appendix C
IRQ and I/O Port Address
The factory-set interrupt requests and I/O port addresses are listed below. Find an appropriate one to
install an optional device.
Interrupt Request
The factory-set IRQs are assigned as follows:
IRQ
Peripheral Device (Controller)
IRQ
Peripheral Device (Controller)
0
System timer
8
Real-time clock
1
Keyboard
9
PCI
2
Cascaded connection
10
PCI
3
COM B
11
PCI
4
COM A
12
Mouse
5
PCI
13
Numeric processor
6
Floppy disk
14
Primary IDE
7
PCI
15
Secondary IDE
PIRQ and PCI Device
The factory-set PCI device interrupts are assigned as "Auto Detect". If the PCI slot contains a board
that cannot share an IRQ with other devices, you can change these interrupts according to the table
below.
Menu
Option
Interrupt
Recommended
PCI IRQ 1
LAN 1
IRQ 7
PCI IRQ 2
LAN 2
IRQ 7
PCI IRQ 3
–
Auto Select
PCI IRQ 4
USB ports 1 and 2
IRQ 5
PCI IRQ 5
PCI slot #1
RQ 11
PCI IRQ 6
–
Auto Select
PCI IRQ 7
–
Auto Select
PCI IRQ 8
USB port 3
IRQ 5
Summary of Contents for EXP200
Page 162: ...5 56 Installing the Operating System with Express Setup This page is intentionally left blank ...
Page 196: ...6 34 Installing and Using Utilities This page is intentionally left blank ...
Page 208: ...7 12 Maintenance This page is intentionally left blank ...
Page 300: ...10 14 Internal Cabling Diagrams This page is intentionally left blank ...
Page 304: ...A 4 Specifications This page is intentionally left blank ...
Page 370: ...G 4 Product Configuration Record Table This page is intentionally left blank ...