Question about EliteGroup P4M800PRO-M478 Motherboard

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What power supply do I need for a p4m800pro-m478 motherboard

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An ATX one with at least 400 watts of power

Posted on Oct 05, 2010


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When I upgrade P4M800PRO-M478 motherboard with 2x Kingston ValueRAM - Mémoire RAM - 1 Go - DIMM 240 broches - DDR II it doesn't recognize it as 1Go memory but only as 512Mb!! What is wrong??

hello nepr29

my name is ausi

i had a look at your main board. it is capable of 2gig RAM (maximum). you issue is typically related to the type of
RAM you are using. your posting does not indicate the RAM model.

you have to make sure the
RAM you are using is double sided (has chips on boat sides of it). older mother boards have problem addressing the full capacity of single sided RAM, so it reads only half of it.

good luck.
if this was helpful please vote for me.

Nov 27, 2010 | EliteGroup P4M800PRO-M478 Motherboard

1 Answer

I don't know how to connect small cables like USB cable and power cable..Please help... In USB:(Vcc+,Vcc-,Ground,e.t.c) In Power(Power SW,e.t.c)


Since your using P4M800PRO-M478, I recommend you to read the manual to refer about the pinouts for all the connectors for your motherboard.

Just in case you don't have the manual, here the link for you to download.

Don't forget to rate my solution, thanks!!

Jan 11, 2009 | EliteGroup P4M800PRO-M478 Motherboard

1 Answer

Switching ddr to ddr2 memory

re-examine the memory chips.... sometimes swapping slots (still ddr2 slots) will fix the issue. the other possibility might be that you have to set them up in the bios ... if you happen to have the manual for that board.... make sure there isn't supposed to be a jumper on the motherboard that needs to be changed as well.... some ideas to try... in the mean time i'll go look and see if i can find the manual myself and perhaps i'll have found it.


Dec 19, 2008 | EliteGroup P4M800PRO-M478 Motherboard

1 Answer

Power supply burn

If the supply was the previous problem, the motherboard may be destroyed as well. Try it with just the motherboard, PC speaker, processor/cooler and power supply. If there are beeps, then the motherboard is ok and it may be the memory.

Nov 04, 2008 | EliteGroup P4M800PRO-M478 Motherboard

1 Answer

ECS P4M800PRO-M478

Requester #1: Not enough info - memory installed, etc.

#2 & 3:

Is this what you need(ed)?

Jul 09, 2008 | Mercury P4VM800M7 Motherboard

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P4M800PRO-M478 doesn't function

I had told you I changed one Fet that positively had burned. I placed a IRFZ48N, a more powerfull transistor, unecessary of couse but the only I had in my old things. But the board doesn't function and so I searched for more damages and yesterday I found two resistances of 0 ohms opened. I changed its by a jumper and power on the MB. Today it is running with a Pentium 4 2Ghz, the OS Windows XP SP2.

Jul 09, 2008 | EliteGroup P4M800PRO-M478 Motherboard

1 Answer


check the processor and the ram either they are working properly

Apr 11, 2008 | Mercury P4VM800M7 Motherboard

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