Expansion Slots; Configuring An Expansion Card; Standard Interrupt Assignments - Asus A7S266-VM User Manual

1.9

Expansion slots

The A7S266-VM motherboard has four (4) expansion slots. The following
sub-sections describe the slots and the expansion cards that they support.
1.9.1

Configuring an expansion card

After physically installing the expansion card, configure the card by
adjusting the software settings.
1. Turn on the system and change the necessary BIOS settings, if any.
2. Assign an IRQ to the card. Refer to the tables below.
3. Install the software drivers for the expansion card.
1.9.2

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.
IRQ assignments for this motherboard
PCI slot 1
PCI slot 2
PCI slot 3
PCI slot 4
Onboard USB controller HC0
Onboard USB controller HC1
Onboard LAN
Onboard Audio
Onboard VGA
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 two PCI groups.
ASUS A7S266-VM Motherboard
Standard Function
System Timer
Keyboard Controller
Programmable Interrupt Controller
USB Universal Host Controller
Communications Port (COM1)
Onboard Audio
Standard Floppy Disk Controller
Printer Port (LPT1)
System CMOS/Real Time Clock
Onboard LAN
USB Universal Host Controller
Onboard VGA
PS/2 Compatible Mouse Port
Numeric Data Processor
Ultra ATA Controller
Secondary Ultra ATA Controller
A B C
shared — —
— used —
— — used
— — —
— — —
— — —
— — —
— — —
shared — —
D E F
— — —
— — —
— — —
used — —
— used —
— — —
— — —
— — used
— — —
G H
— —
— —
— —
— —
— —
— used
used —
— —
— —
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