MX945GM-D
16
2-8 Install PCI card
The PCI slot supports LAN cards, SCSI cards, USB cards, ad other add-on cards that
comply with PCI specifications. At 32bits and 33MHz, it yields a throughput rate of 133MBps.
WARNING! Turn off system power when adding or removing PCI card or other
component from the system. Failure to do so may cause severe
damage to the mainboard and PCI card.
2-8-1 Procedure For PCI Card Installation
1. Read the documentation for the PCI card and make any necessary hardware setting for PCI
card such as jumpers.
2. Align the card’s connectors and press it into the PCI slot firmly.
3. Set up the BIOS if necessary.
4. Install the software driver for installed PCI card that is provided by the PCI card manufacturer.
2-8-2 Standard Interrupt Assignments
IRQ
Priority
Standard function
0
N/A
System Timer
1
N/A
Keyboard Controller
2
N/A
Programmable Interrupt
3 *
8
Communications Port (COM2)
4 *
9
Communications Port (COM1)
5 *
6
Onboard Display Controller
6 *
11
Floppy Disk Controller
7 *
7
Printer Port (LPT1)
8
N/A
System CMOS/Real Time Clock
9 *
10
ACPI Mode when enabled
10 *
3
IRQ Holder for PCI Steering
11 *
2
IRQ Holder for PCI Steering
12 *
4
PS/2 Compatible Mouse Port
13
N/A
Numeric Data Processor
14 *
5
Primary IDE Channel
15 *
1
Secondary IDE Channel
* These IRQs are usually available for ISA or PCI devices.
