C-2 Sy stem Resources
This section includes information on:
system interrupt request (IRQ) default settings
viewing system resources
jumper settings for the system board.
IRQ Settings
The following settings are the default IRQ settings:
IRQ0 (timer)
IRQ1 (keyboard)
IRQ2 (cascade interrupt)
IRQ3 (COM2)
IRQ4 (COM1)
IRQ5 (LPT2/sound/user available)
IRQ6 (diskette drive)
IRQ7 (LPT1)
IRQ8 (real time clock)
IRQ9 (reserved)
IRQ10 (USB/user available)
IRQ11 (Windows Sound System/user available)
IRQ12 (mouse)
IRQ13 (numeric processor)
IRQ14 (primary IDE)
IRQ15 (secondary IDE).
System Resource Information
Some hardware option installat ions might require system reso u r ces su c h as IRQ
lines, direct memory access (DMA) channels, and input/output (I/O) addresses.
Follow these steps to view system resources:
1. From the Windows desktop, click the “My Computer” icon with the right
mouse button.
2. Click Properties. The “System Properties” dialog box appear s.
3. Click the “Device Manager” tab.