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Nvidia 680i SLI Post Code Errors -.-

Last response: in Motherboards
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June 24, 2008 7:26:05 PM

Hello, I would first like to start off by saying that all of the following have been tried.

Processor has been replaced
Power Supply Has been replaced
Ram has been replaced
Mobo has been replaced 3 times and bios flashed to the most recent version
Video Card has been replaced

All Dimm slots have been tested with 3 different ram.


End Product is the same on all motherboards, but seem to work fine at the warehouse.


Specs :

2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) (Elixir) "I hear elixir sucks"
1GB 240-Pin DDR2 SDRAM DDR2 667 (Kingston)

Processor : Intel Core 2 Duo E8400 Wolfdale 3.0GHz 6MB L2 Cache LGA 775 65W Dual-Core Processor

Mobo: BFG Tech BFG680i SLi LGA 775 NVIDIA nForce 680i SLI ATX Intel Motherboard

Power Supply: BFG Tech BFGR650PSU 650W ATX 12v 2.0 / EPS 12V Power Supply 115/ 230 V UL, CE, FCC CLASS B

Video Card : EVGA 320-P2-N811-AR GeForce 8800 GTS 320MB 320-bit GDDR3 PCI Express x16 HDCP Ready SLI Supported Video Card



Posting goes as follows


Turn on the computer with Processor, 1 stick ram, and video card.

post code C1 (Memory Presence / Base memory detect)
post code C3 (Extend Memory / Turn on extended memory, cache initialization)

and lastly

post code 18 (InitCPU / CPU ID and Initialize L1/L2 Cache) ** It gets hung here **

This is my first time ever to assemble a computer from scratch... it's been two months of going back and forth with intel / bfg... and BFG's Motherboard Specialist says he is stumped... any of you think you can figure it out? :D 


THANKS A LOT!!!
June 24, 2008 7:56:28 PM

did you try resetting CMOS? take he battery out for a few minutes...i dont know if there's a reset jumper as well since I never had to reset.

make sure the CPU is seated properly and no pins bent....id be curious to see if you get the same post error if you just took the CPU out...

start out with just the minimum.....one stick of RAM, CPU, HDD.

Surprisingly I've had a hard drive go bad once and the PC wouldnt even post...when it eventually did post it too a good 10 minutes. Might want to swap that out as well.

June 24, 2008 8:14:50 PM

yes, all of that has been done. As for the HDD, The minimum from what I understand is the RAM, CPU, and Video Card so that you may access the bios
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November 18, 2008 2:55:49 PM

hey, non of you happen to know what Post Code Error 25 is???
January 24, 2009 7:18:13 PM

i had the same exact problem as you AsantaSane, and on my first build too. my board is xfx, but the problem is probably the same. your board is dead, gotta rma it. :/ 
!