ASROCK B150M Pro4/D3 Handbuch Seite 20

2.5 Jumpers Setup
he illustration shows how jumpers are setup. When the jumper cap is placed on
the pins, the jumper is "Short". If no jumper cap is placed on the pins, the jumper
is "Open". he illustration shows a 3-pin jumper whose pin1 and pin2 are "Short"
when a jumper cap is placed on these 2 pins.
Clear CMOS Jumper
(CLRMOS1)
(see p.1, No. 1)
CLRMOS1 allows you to clear the data in CMOS. To clear and reset the system
parameters to default setup, please turn of the computer and unplug the power
cord from the power supply. Ater waiting for 15 seconds, use a jumper cap to
short pin2 and pin3 on CLRMOS1 for 5 seconds. However, please do not clear the
CMOS right ater you update the BIOS. If you need to clear the CMOS when you
just inish updating the BIOS, you must boot up the system irst, and then shut it
down before you do the clear-CMOS action. Please be noted that the password,
date, time, and user default proile will be cleared only if the CMOS battery is
removed.
If you clear the CMOS, the case open may be detected. Please adjust the BIOS option "Clear
Status" to clear the record of previous chassis intrusion status.
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Default Clear CMOS