2 configuring an expansion card, Configuring an expansion card -13, Standard interrupt assignments – Asus RS520-E6/RS8 User Manual
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ASUS RS520-E6/RS8
6. Align the riser cage with the
expansion card to the PCI Express
x16 slot on the motherboard.
7. Press the riser cage until the
golden connectors completely fit
the slot and the cage aligns with
the rear panel.
8. Secure the riser cage with two
screws.
2.5.2
Configuring an expansion card
After installing the expansion card, configure the it by adjusting the software settings.
1. Turn on the system and change the necessary BIOS settings, if any. See
Chapter 5 for information on BIOS setup.
2. Assign an IRQ to the card. Refer to the following tables.
3. Install the software drivers for the expansion card.
Standard Interrupt assignments
* These IRQs are usually available for ISA or PCI devices.
IRQ
Priority Standard function
0
1
System Timer
1
2
Keyboard Controller
2
-
Programmable Interrupt
3*
11
Communications Port (COM2)
4*
12
Communications Port (COM1)
5*
13
--
6
14
Floppy Disk Controller
7*
15
--
8
3
System CMOS/Real Time Clock
9*
4
ACPI Mode when used
10*
5
IRQ Holder for PCI Steering
11*
6
IRQ Holder for PCI Steering
12*
7
PS/2 Compatible Mouse Port
13
8
Numeric Data Processor
14*
9
Primary IDE Channel
15*
10
Secondary IDE Channel