Motherboard Help

By Slater
Jul 26, 2004
  1. I have a MSI 6734 board with AMD XP2800+ and 1gb Ram.
    I am putting this together put have 2 problems.

    Firstly the board has a power point for the processer, do I need to use this as the processer only came with a heatsink and fan connecter. I though the processer would get power via the main board power connector.

    Secondly, when I boot up the screen does not come on, but as sood as I disconnect it from the P/C it comes on.

    Many thanks
  2. Charles Hammond

    Charles Hammond TS Rookie Posts: 59

    What does the motherboard manual say to do for that plug?

    You have to be more specific. Is this a square plug with 4 connectors like a P4 Processor Power Plug?

    If the Processor's cooling fan is not plugged into the Connector on the motherboard that says CPU FAN then it will not start. This is standard on most motherboards.

    Oh Yeah; read the manual!
  3. Slater

    Slater TS Rookie Topic Starter

    Yes It is a square plug with 4 connectors. It just says CPU power supply in the manual but I have no leads like this.
  4. Bug

    Bug TS Rookie Posts: 79

    Are you referring to Figure 5
    P4 Mother Board Connector
    in the URL below???

    P4 Power Connector

    If this is the case. this connector is necessary as your processor will need additional voltage directly from the Power Supply Unit (PSU). If your PSU does not have a P4 connector, you will need to get a new PSU or find a molex adapter Figure 3 in the link above.

  5. RealBlackStuff

    RealBlackStuff TS Rookie Posts: 6,503

    That does not make sense, since when does AMD need a P4 power connector?
  6. Arris

    Arris TS Evangelist Posts: 4,587   +278

    Most AMD systems I've had since my 1.4Ghz Thunderbird have recommended connecting the secondary power connector.
    Strange although it might seem, the higher rated AMD chips have been using the P4 molex for a while now.

  7. Bug

    Bug TS Rookie Posts: 79

    Agreed, my nForce 2 board from shuttle had the connector. It is to provide stable power for the CPU.
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