User guide

ASUS PCH-DR motherboard 2-19
2.6 Jumpers
1. Keyboard power (3-pin KBPWR1)
This jumper allows you to enable (pins 2-3) or disable (pins 1-2) the
keyboard wake-up feature. Set this jumper to pins 2-3 (+5VSB) if you
wish to wake up the computer when you press a key on the keyboard.
This feature requires an ATX power supply that can supply at least 1A
on the +5VSB lead, and a corresponding setting in the BIOS. Refer to
Chapter 4 for information.
2. CPU external frequency selection (6-pin DSW1)
This jumper allows you to select your desired CPU external frequency
(or bus clock).
PCH-DR
PCH-DR Keyboard Power Setting
KBPWR1
(Default)
+5V +5VSB
12
23
PCH-DR
PCH-DR CPU External Frequency Selection
DSW1
533MHz 400MHz
(Default)
34
12
56
34