ASRock K7S8XE User Manual - Page 13
Jumpers Setup - + bios update
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2.7 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 FSB_SEL0 (see p.7 item 9) FSB_SEL1 (see p.7 item 10) 2_3 FSB_SEL0 2_3 FSB_SEL1 FSB 200MHz 2_3 FSB_SEL0 1_2 FSB_SEL1 FSB 266MHz 1_2 FSB_SEL0 1_2 FSB_SEL1 1_2 FSB_SEL0 2_3 FSB_SEL1 FSB 333MHz FSB 400MHz Note: The setting of the CPU front side bus frequency of this motherboard is by means of the adjustment of jumper-setting. You must set the FSB jumper according to your AMD CPU before you use the "Manual" option as the FSB setting in BIOS setup to perform over clocking. Please follow the figures above to set the CPU front side bus frequency. PS2_USB_PWR1 1_2 2_3 Short pin2, pin3 to enable (see p.7 item 1) +5VSB (standby) for PS/2 or +5V +5VSB USB wake up events. Note: To select +5VSB, it requires 2 Amp and higher standby current provided by power supply. JR1(see p.7 item 28) JL1(see p.7 item 27) JR1 JL1 Note: If the jumpers JL1 and JR1 are short, both front panel and rear panel audio connectors can work. Clear CMOS Jumper (CLRCMOS2) (see p.7 item 17) 2-pin jumper Note: CLRCMOS2 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 the pins on CLRCMOS2 for 3 seconds. Please remember to remove the jumper cap after clearing the CMOS. If you need to clear the CMOS when you just finish updating the BIOS, you must boot up the system first, and then shut it down before you do the clear-CMOS action. 13