Expansion Card; Procedure For Expansion Card Installation; Assigning Irq For Expansion Card - Intel P35Express Chipset User Manual

NOTE! When you install DIMM module fully into the DIMM socket, the eject tab
should be locked firmly and fit into its indention on both sides.
WARNING! This motherboard only support DDR2 667/800 or higher fequency-
compliant DDR2 Modules.
2-5 Expansion Cards
WARNING! Turn off your power when adding or removing expansion cards or other
system components. Failure to do so may cause severe damage to both
your motherboard and expansion cards.

2-5-1 Procedure For Expansion Card Installation

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 to set up the IRQ to operate. An IRQ must be assigned
exclusively to single interface use only. There are 16 IRQs available but most of them are
already being used.
Standard Interrupt Assignments
IRQ Priority
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.
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
Standard function
20