User guide

Viglen Genie Executive pBTX 915 User Guide V1.0
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CAUTION: Take extra care when removing and reinstalling the PCI riser
assembly to prevent sharp edges from causing injury.
9. Please make sure the PCI riser side tabs completely fit the chassis.
Figure 27: PCI Riser Tabs
Configuring an Expansion Card
After installing the expansion card, configure it 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.
Table 1: Standard Interrupt Assignment
IRQ Priority Standard
0 1 System Timer
1 2 Keyboard Controller
2 - Re-direct to IRQ#9
3 11 Communication Port (COM2)*
4 12 Communication Port (COM1)*
5 13 IRQ holder for PCI steering*
6 14 Floppy Disk Controller
7 15 Printer Port (LPT1)*
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 Primary IDE controller
15 10 Secondary IDE controller
* There IRQs are usually available for ISA or PCI devices