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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.
LAN1
LAN2
10 GbE
PHY
PCH
JPX1
CPU1
PEX8717
Midplane Interface
SIOM:CPU2 PCI-E 3.0 X8 (X16)
JSIOM1
X11DSN-TS
JM2_1
MAC CODE
Rev. 1.01
IPMI CODE
BIOS
BAR CODE
LICENSE
CPU2
1
JBT1
BT1
49
Chapter 2: Installation
1. Clear CMOS
USB0/1(3.0)
IPMI_LAN
BMC
BIOS
JBT1 contact pads
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