SOYO SY-P4I845PE - Manual (Page 36)

Hardware Installation SY-P4I845PE
32
Audio Upgrade
The standard configuration of the P4I845PE motherboard supports 2 or
4-channel audio.
Step 5 Power On
You have now completed the hardware installation of your Motherboard
successfully.
1. Turn the power on
2. To enter the BIOS Setup Utility, press the <DEL> key while the system is
performing the diagnostic checks,
Note: If you have failed to enter the BIOS, wait until the boot up
sequence is completed. Then push the RESET button and press
<DEL> key again at the beginning of boot-up, during diagnostic
checks.