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Product Information

Document ID: MIGR-484SC8

Netfinity 1000 - Power supply

Applicable to: World-Wide

Power supply


Note
The Front Fan and Disk Fan A are controlled by the System Management Controller (LM80)
but the power supply fan is not.


If the power-on indicator is not on, the power-supply fan is not running, or the computer will not power-off, do the following.


Check/Verify

FRU/Action

1. Check the following for proper installation.

  • Power Cord
  • On/Off Switch connector
  • On/Off Switch Power Supply connector
  • System Board Power Supply connectors
  • microprocessor(s) connection

Reseat

2. Check the power cord for proper continuity.

Power Cord

3. Check the power-on switch for continuity.

Power-on Switch


If the above are correct, check the following voltages.


Attention
These voltages must be checked with the power supply cables connected to the system board or riser card.






Pin

Signal

Function

1

3.3 V

+3.3 V dc

2

3.3 V

+3.3 V dc

3

COM

Ground

4

5 V

+5 V dc

5

COM

Ground

6

5 V

+5 V dc

7

COM

Ground

8

POK

Power Good

9

5VSB

Standby Voltage

10

12 V

+12 V dc

11

3.3 V

+3.3 V dc

12

-12 V

-12 V dc

13

COM

Ground

14

PS-ON

DC Remote Enable

15

COM

Ground

16

COM

Ground

17

COM

Ground

18

-5 V

-5 V dc

19

5 V

+5 V dc

20

5 V

+5 V dc




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Date Created

21-05-99

Last Updated

21-05-99

Revision Date

26-05-2000

Brand

IBM PC Server

Product Family

Netfinity 1000

Machine Type

8477

Model

All

TypeModel

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