ASRock K8Upgrade-1689 User Manual - Page 15

2.5 Jumpers Setup The illustration shows how jumpers are setup. When the jumper cap is placed on pins, the jumper is "Short". If no jumper cap is placed on pins, the jumper is "Open". The illustration shows a 3-pin jumper whose pin1 and pin2 are "Short" when jumper cap is placed on these 2 pins. Jumper Setting PS2_USB_PWR1 1_2 2_3 Short pin2, pin3 to enable (see p.8, No. 1) +5V +5VSB +5VSB (standby) for PS/2 or USB wake up events. Note: To select +5VSB, it requires 2 Amp and higher standby current provided by power supply. JL1 / JR1 Jumper (see p.8, No. 27) JL1 JR1 Note: If the jumpers JL1 and JR1 are short, both the front panel and the rear panel audio connectors can work. Clear CMOS Jumper (CLRTC1) (see p.8, No. 14) 1_2 2_3 Default Clear CMOS Note: CLRTC1 allows you to clear the data in CMOS. The data in CMOS includes system setup information such as system password, date, time, and system setup parameters. To clear and reset the system parameters to default setup, please turn off the computer and unplug the power cord, then use a jumper cap to short pin2 and pin3 on CLRTC1 for 3 seconds. Please remember to put the jumper cap back to the default setting (short pin1 and pin2) after clearing the CMOS. 15