Gigabyte GA-EP35-DS4 User Manual page 24

3) PCIE_12V (Power Connector)
This power connector can supply extra power to the PCI Express x16 slots on the motherboard.
Connect the power supply cable to this connector when using two graphics cards. Failure to do so
may lead to an unstable system.
4) PHASE LED
The number of lighted LEDs indicates the CPU loading. The higher the CPU loading, the more the
number of lighted LEDs.
GA-EP35-DS4 Motherboard
1
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PIin No. Definition
1 NC
2 GND
3 GND
4 +12V