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2.5.3
2.5.3
2.5.3
Configuring an expansion card
Configuring an expansion card
Configuring an expansion card
2.5.3
2.5.3
Configuring an expansion card
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
Standard interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
IRQ
Priority
0
1
1
2
2
N/A
3*
11
4*
12
5*
13
6
14
7*
15
8
3
9*
4
10*
5
11*
6
12*
7
13
8
14*
9
15*
10
*These IRQs are usually available for ISA or PCI devices.
PCI Bus Number, IDSEL, and IRQ assignments
PCI Bus Number, IDSEL, and IRQ assignments
PCI Bus Number, IDSEL, and IRQ assignments
PCI Bus Number, IDSEL, and IRQ assignments
PCI Bus Number, IDSEL, and IRQ assignments
PATA controller
SATA controller
SMBus controller
USB UHCI controller 1
USB UHCI controller 2
USB 2.0 EHCI controller
BCM5721 #1
BCM5721 #2
ATI RAGE XL
PCIX Slot 1 (64-bit)
PCI Express Slot 2
PCI Slot 3 (32-bit)
When using PCI cards on shared slots, ensure that the drivers support
"Share IRQ" or that the cards do not need IRQ assignments. Otherwise,
conflicts will arise between the two PCI groups, making the system
unstable and the card inoperable.
A S U S R S 1 2 0 - E 3 ( P A 2 )
A S U S R S 1 2 0 - E 3 ( P A 2 )
A S U S R S 1 2 0 - E 3 ( P A 2 )
A S U S R S 1 2 0 - E 3 ( P A 2 )
A S U S R S 1 2 0 - E 3 ( P A 2 )
Standard Function
System Timer
Keyboard Controller
Programmable Interrupt
Communications Port (COM2)
Communications Port (COM1)
Sound Card (sometimes LPT2)
Floppy Disk Controller
Printer Port (LPT1)
System CMOS/Real Time Clock
ACPI Mode when used
IRQ Holder for PCI Steering
IRQ Holder for PCI Steering
PS/2 Compatible Mouse Port
Numeric Data Processor
Primary IDE Channel
Secondary IDE Channel
INTA#
INTB#
PIRQA#
PIRQD#
PIRQB#
PIRQH#
PIRQD#
PIRQH#
PIRQA#
PIRQB#
PIRQD#
PXIRQ0
PXIRQ1
PIRQA#
PIRQE#
PIRQF#
INTC#
INTD#
PXIRQ2
PXIRQ3
PIRQG#
PIRQH#
REQ#
GNT#
REQ1#
GNT1#
PXREQ0
PXGNT0
REQ0#
GNT0#
2 - 1 5
2 - 1 5
2 - 1 5
2 - 1 5
2 - 1 5
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