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IBM PCM-6890B Power connectors CN9, CN1, ATX power connector CN9, CPU fan power connector CN1

Models: All-in-One FC/Socket 370 Celeron PCM-6890B

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Power connectors (CN9, CN1)

Power connectors (CN9, CN1)

ATX power connector (CN9)

The ATX power supply uses a 20-pin connector shown below. Make sure you plug in the right direction.

ATX power connector (CN9)

Pin

Signal

Pin

Signal

1

N/C

11

N/C

2

N/C

12

-12V

 

 

 

 

3

GND

13

GND

 

 

 

 

4

+5V

14

PON

 

 

 

 

5

GND

15

GND

 

 

 

 

6

+5 V

16

GND

 

 

 

 

7

GND

17

GND

 

 

 

 

8

N/C

18

-5V

9

5V SB

19

+5V

10

+12V

20

+5V

 

 

 

 

CPU fan power connector (CN1)

Plug in the fan cable to the 3-pin fan connector onboard. The fan connector is marked CN1.

CPU fan power connector (CN1)

PinSignal

1GND

2+12V

3Fan speed sense

22 PCM-6890B User Manual

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IBM PCM-6890B manual Power connectors CN9, CN1, ATX power connector CN9, CPU fan power connector CN1
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