Question about Intel D865PERLL Motherboard

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Intel D865PERLL Motherboard will not power up

System will not even turn on the power supply when the “Power On” Switch is pushed. Power supply & CPU fans & case fans stay off. Had a bad lightning storm. System was off but plugged into a UPS. UPS still works with other PCs. No obvious burn marks on the system or power supply . 5V power LED standby power was still working. Power On Switch was checked & OK. New power supply installed but system does not power up (no fans running).

I don’t have detailed schematics.

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  • nkda2000 May 08, 2008


    Good morning Mike,

    Thanks for trying. FYI, I was deliberate in typing Intel D865PERLL. There are apparently several versions of the Intel D865PERL motherboards. The "LL" version has the LAN and Firewire built in. That is the version I have.

    FYI: Here is the Intel link to the details of the differences in the Intel D865PERL motherboards.

    I already have the pdf file whose link you sent. Unfortunately, it does not give a detailed enough schematic indicating which IC controls the power on for the power supply and motherboard. I was hoping there might be a small (16 pin DIP) that could easily be swapped to get the board running again.

    Do you have any additional ideas of where to look?

    Thanks for your help, Jim

  • nkda2000 May 08, 2008


    Do you have another Intel Motherboard ATC form factor which still supports Socket 478, with USB, LAN & Firewire builtin, AGP & 5 PCI Slots, that might still be available?

    Regards, Jim

  • Doctor PC
    Doctor PC Dec 21, 2011

    Sometimes when lighting strike the MOBO get fried.

  • Doctor PC
    Doctor PC Dec 21, 2011

    Also Intel doesnt build MOBOs only chipsets.



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Since the board won't power up, try a jumpwire solution to start it through the ATX power supply connector. Green wire on ATX power supply connector to ground. You may have a fried connection to the power on line, and it can be anything from a blown resistor to a fried copper trace within the motherboard (which is multilayered)

Posted on Nov 24, 2012

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Hi nkda2000, this is as close as I could find for power schematics. Intel D865PERL

(There is no Intel D865PERLL board). Sure it's a typo. Have done searches for D865PERLL & found it (Not on Intle's web site) but when looking at the specs it's listed as D865PERL. (One L ) not two.

I hope the Technical Product Specification pdf can help you check the power on the motherboard.



Posted on May 08, 2008



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