Asus P5QL-E - Motherboard - ATX User Manual

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2-18 Chapter 2: Hardware information

2.5.3 Interrupt assignments

IRQ assignments for this motherboard

A B C D E F G H

PCI slot 1 shared – – – – – – –

PCI slot 2 – shared – – – – – –

PCI slot 3

–

—

shared – – – – –

LAN (L1E) – shared – – – – – –

PCIe Storage Controller shared – – – – – – –

PCIe x16_1 shared – – – – – – –

PCIe x1_1 shared – – – – – – –

PCIe x1_2 – shared – – – – – –

USB controller 1 – – – – – – – shared

USB controller 2 – – – shared – – – –

USB controller 3 – – shared – – – – –

USB controller 4 shared – – – – – – –

USB controller 5 – – – – – shared – –

USB controller 6 – – shared – – – – –

USB 2.0 controller 1 – – – – – – – shared

USB 2.0 controller 2 – – shared – – – – –

SATA controller 1 – – – shared – – – –

SATA controller 2 – – – shared – – – –

1394 controller – – – shared – – –

–

* These IRQs are usually available for PCI devices.

IRQ Priority Standard function

0 1 System Timer

1 2 Keyboard Controller

2 – Redirect to IRQ#9

3 11 IRQ Holder for PCI Steering*

4 12 Communications Port (COM1)*

5 13 IRQ Holder for PCI Steering*

6 14 Floppy disk controller

7 15 Reserve

8 3 System CMOS/Real Time Clock

9 4 IRQ Holder for PCI Steering*

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 SATA Primary IDE (legacy mode)

15 10 SATA Secondary IDE (legacy mode)

Standard interrupt assignments

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Asus P5QL-E - Motherboard - ATX Specifications

General

Form Factor	ATX
Chipset	Intel P43
CPU Socket	LGA 775
Maximum Memory	16 GB
Memory Type	DDR2
Memory Speed	1066/800/667 MHz
Memory Slots	4 x DIMM
Storage Interfaces	6 x SATA 3Gb/s, 1 x IDE
Compatible Processors	Intel Core 2 Quad, Core 2 Duo, Pentium, Celeron
Expansion Slots	3 x PCI
USB Ports	12 x USB 2.0
LAN	Realtek RTL8111C Gigabit LAN
Audio	8-channel High Definition Audio
RAID Support	RAID 0, RAID 1, RAID 0+1, RAID 5