Supermicro X11QPL User Manual page 62

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Super X11QPL User's Manual
CMOS Clear
JBT1 is used to clear CMOS, which will also clear any passwords. Instead of pins, this jumper
consists of contact pads to prevent accidentally clearing the contents of CMOS.
To Clear CMOS
1. First power down the system and unplug the power cord(s).
2. Remove the cover of the chassis to access the motherboard.
3. Remove the onboard battery from the motherboard.
4. Short the CMOS pads with a metal object such as a small screwdriver for at least four
seconds.
5. Remove the screwdriver (or shorting device).
6. Replace the cover, reconnect the power cord(s), and power on the system.
Note: Clearing CMOS will also clear all passwords.
Do not use the PW_ON connector to clear CMOS.
UID
LED2
VGA
IPMI_LAN
LAN1
COM
USB3.0
JBJ2
JPME1
1
SRW3
SRW4
JPCIE1
JPCIE3
JPCIE4
JPCIE5
JPB1
JBR1
SRW1
SRW2
JPG1
J1
JP1
JTPM1
JUSB1
JPME2
JUSB2
JWD1
JL1
M.2-P
M.2-P
JMD1
JMD2
VBAT
Battery
JBAT1
JB1
CPU2
P2_NVME0
JNVME_P2
BIOS LICENSE
P3_NVME0
CPU3
JNVME_P3
FAN1
1
JC1
FAN3
FAN2
PSU1
JBT1 contact pads
JPCIE6
JPCIE7
JPCIE2
P1_NVME0
1
X11QPL
REV:1.00
DESIGNED IN USA
JNVME_P1
JA1
CPU1
IPMI CODE
MAC CODE
CPU4
JD1
PSU2
JF1
JPWR2
JPWR1
P4_NVME0
FAN6
FAN4
FAN5
62
1. Clear CMOS

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