Facing the connector pins, the pinout of the Auxiliary Power connector is:

11

9

7

5

3

1

PSON#

GND

GND

Reserved

+5V_STDBY

GND

+3.3 V

+3.3 V

+5 V

–12 V

+12 V

+5 V

12

10

8

6

4

2

Power Supply Protection

The cpuModule has protection circuitry that helps prevent damage due to problems with the +5 V supply, such as reversed polarity, overvoltage, and overcurrent.

BDM-610000050 Rev A

Chapter 3: Connecting the cpuModule 25

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Image 33
IBM CMX58886CX user manual Power Supply Protection, Reserved, +3.3 +12