BPC-7971 User's Manual6Remark: How to identify the PIN1 of all jumpers and interfaces: Please observe the word markon the side of the plug socket, which will be a “1” or bold line or triangular symbol; And pleaselook at the back of PCB, each with a square shape will be the PIN 1; and all the jumpers’ PIN1have a white arrow on the side.2.4.1 CMOS Clear/Hold Jumper Setting(JCC)CMOS is powered by the onboard button cells. Clear CMOS may lead to permanentelimination of previous system settings and make the system back to the original settings( factory default).Steps:(1)Shut off the computer and disconnect power supply;(2)Make the jumper JCC Pin1 and Pin2 short for 5~10 seconds(Pin1-2)and then make itback to default setting with Pin2-3 connected;(3)Start the computer and press to enter BIOS setup, then reload optimal defaults;(4)Save and Exit.JCC:JCC