PC (100/300/700 Series / Intellistation / Aptiva) POWER Connectors

POWER Supply
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. Verify that the voltage-selector switch
is set for the correct voltage.
Correct the voltage
selector switch setting.
2. Check the following for
proper installation.
° Power Cord
° ON/Off Switch connector
° ON/Off Switch Power Supply connector
° System Board Power Supply connectors
Reseat
3. Check the power cord for for
proper continuity.
Power Cord
4. Check the power-on switch for continuity Power-on Switch


If these are correct, check the following voltages.

System Board Connections (P1 / P2 and P11)

Notes: The voltages must be checked with the power supply cables connected to the system board.

If the voltages are not correct, and the power cord is good, then replace the power supply.

If the voltages are correct, and the computer you are servicing has a power supply connector on the riser card, check the riser card voltages.

Riser Card Connections (P10)

Notes: The voltages must be checked with the power supply cables connected to the riser card.

If the voltages are not correct, and the power cord is good, then replace the power supply.


20-Pin Main Power Supply Connection

The 20-pin main power supply connector is located on the riser card for PC-300 Types:



For PC 360-S150 (Type 6598) and all IntelliStation models, the 20-pin main power supply connector is located on the system board.

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

Pin Signal Function
1 3.3V +3.3 Vdc
2 3.3V +3.3 Vdc
3 COM Ground
4 5V +5 Vdc
5 COM Ground
6 5V +5 Vdc
7 COM Ground
8 POK Power Good
9 SVSB Standby Voltage
10 12V +12 Vdc
11 3.3V +3.3 Vdc
12 -12V -12 Vdc
13 COM Ground
14 PS-ON DC Remote Enable
15 COM Ground
16 COM Ground
17 COM Ground
18 -5V -5 Vdc
19 5V +5 Vdc
20 5V +5 Vdc


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