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CMOS Clear
JBT1 is used to clear CMOS, which will also clear the passwords, if any. 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.
JL1
GPU PWR1
CPU2
FAN8
FAN6
VGA
COM1
USB0/1(3.0)
LEDM1
IPMI_LAN
BMC
BIOS
JSDCARD1
1
BATTERY
JBT1
JRK1
BT1
PCH
SP1
I-SATA4~7
I-SATA0~3
JSD2
JSD1
JS1
JS2
USB2(3.0)
JHFI2
NVME12
NVME13
LE2
GPU PWR2
LICENSE
IPMI CODE
BAR CODE
X11DPU-Z+
REV:1.01
FAN5
61
PSU1
PSU2
JPW4
JNVI2C1
JHFI1
NVME11
BIOS
JPW3
CPU1
Chapter 2: Installation
JBT1 contact pads
1. Clear CMOS
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