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Chapter 4: Motherboard Connections
4.4 Jumpers
Explanation of Jumpers
settings. Jumpers create shorts between two pins to change the function associated with it.
Note:
Connector
Pins
Jumper
Setting
3 2 1
3 2 1
BMC and PCH I²C/SDA to VRM and BMC and PCH I²C/SCl to VRM Select Jumper
or BMC and PCH I²C/SCl for VRM support. Connect a cable to JVRM1 to enable BMC and
BMC and PCH I²C/SDA to VRM and BMC and PCH I²C/SCL to VRM Select Jumper
Jumper Settings
Jumper Setting Denition
Closed BMC and PCH I²C/SDA for VRM support (Default)
Open BMC and PCH I²C/SCl for VRM support
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