Procedure For Expansion Card Installation; Assigning Irq For Expansion Card; Interrupt Request Table For This Motherboard - JETWAY ALIOTH User Manual

1. Read the documentation for your expansion card and make any necessary hardware or
software setting for your expansion card such as jumpers.
2. Remove your computer's cover and the bracket plate on the slot you intend to use.
3. Align the card's connectors and press firmly.
4. Secure the card on the slot with the screen you remove above.
5. Replace the computer system's cover.
6. Set up the BIOS if necessary.
7. Install the necessary software driver for your expansion card.
2-5-2 Assigning IRQs For Expansion Card
Some expansion cards need an IRQ to operate. Generally, an IRQ must exclusively assign to
one use. In a standard design, there are 16 IRQs available but most of them are already in use.
Standard Interrupt Assignments
IRQ
0
1
2
3 *
4 *
5 *
6 *
7 *
8
9 *
10 *
11 *
12 *
13
14 *
15 *
* These IRQs are usually available for ISA or PCI devices.

2-5-3 Interrupt Request Table For This Motherboard

Interrupt request are shared as shown the table below:
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot6
Onboard VGA
Onboard LAN
Onboard USB 1
Onboard USB 2
Onboard USB 3
Sound
Priority
N/A System Timer
N/A Keyboard Controller
N/A Programmable Interrupt
8 Communications Port (COM2)
9 Communications Port (COM1)
6 Sound Card (sometimes LPT2)
11 Floppy Disk Controller
7 Printer Port (LPT1)
N/A System CMOS/Real Time Clock
10 ACPI Mode when enabled
3 IRQ Holder for PCI Steering
2 IRQ Holder for PCI Steering
4 PS/2 Compatible Mouse Port
N/A Numeric Data Processor
5 Primary IDE Channel
1 Secondary IDE Channel
INT A INT B
√
√
√
Standard function
INT C INT D INT E
√
√
√
√
10
INT F INT G
√
√
√
INT H
√