Hypertherm MicroEdge Field Service Bulletin page 6

MICROEDGE AND OMNICOM MOTHERBOARD REPLACEMENT
MicroEdge installation
If you are replacing the motherboard in a MicroEdge CNC and the DC power cable connector on the old motherboard
has 20 pins, use the following instructions to replace cables and DRAM module on the new motherboard. Refer to the
wiring diagram for details about cable routing and connectors.
1. Connect the DC power cable (CABL-0277) from this kit to the DC power connector on the motherboard.
2. Connect the PS_ON cable (CABL-0281) from this kit to pins 12 and 13, next to the edge of the motherboard on
the PS_ON connector.
Location and orientation of the PS_ON cable connector in an MicroEdge installation
3. Connect the 12 V power cable and the CPU fan cable that you removed from the old motherboard to the
appropriate connectors on the new motherboard.
4. Install the 512 MB DRAM module that you removed from the old motherboard.
4
CABL-0281
MicroEdge motherboard wiring
Fan cable
12 V Power cable
CABL-0277
Field Service Bulletin