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Power supply (primary) – NEC SP B-Series User Manual

Page 107

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B-6 Connector Pin Assignments

Power Supply (Primary)

Voltages from the power supply are input to the system board through the
primary power supply connector. The following table shows the connector pin
locations and pin assignments.

Primary Power Supply Connector Pin Assignments

Pin

Signal

Pin

Signal

1

+3.3V

11

+3.3V

2

+3.3V

12

-12V

3

Ground

13

Ground

4

+5V

14

PS-ON# (Power supply
remote on/off control)

5

Ground

15

Ground

6

+5V

16

Ground

7

Ground

17

Ground

8

PWRGD (Power Good)

18

-5V

9

+5VSB

19

+5V

10

+12V

20

+5V