Genesis MP
Appendix C
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79
Motherboard 3.3v Supply
Pins 1-4 - Purple - 3.3 VDC
Pin 5 - Brown
Pins 6-9 - Black - Ground
Pin 10 - White
Measuring motherboard 3.3v supply
PURPLE/BLACK = 3.3 VDC
+/-
.2 VDC
Motherboard Main Power Supply
Pins 1-4, 13-16 - Red - 5 VDC
Pins 5-9, 17-20 - Black - Ground
Pin 10 - n.c.
Pin 11 - Blue - -12 VDC
Pin 12 - Yellow - Trickle 5 VDC
Pin 21 - White
Pin 22 - Orange - 12 VDC
Measuring motherboard
main power supply
RED/BLACK =
5V
+/-
.3
ORANGE/BLACK = 12V
+/-
.7
BLUE/BLACK =
-12V +/-
1.2
YELLOW/BLACK = trickle 5V +/- .3