MB or CPU toast?

[DelD]

I built this system a couple of years ago (or more) an ASUS AN8 SLI Deluxe MB with an Opteron 165, 2 Gigs Mushkin ram and a single 7800 vid card.

This weekend I tried to upgrade the vid card to two 9800 GTX cards, Cooler Master silent pro 700 and 2 gigs ram (Mushkin).

I had to remove the MB from the case to replace the power supply, booted up the system to windows np. Next I added the ram, same booted to windows np.

Then I added the 2 video cards, forgot the eazy pin connector on the MB (Asus board gave me a message) shut down added the easy pin connection. Rebooted, system didnt see the boot drive (saw my other two drives). I didnt think this was an issue, since one of the vid cards is covering the sata connections and getting the drives connected was a pain. I removed the other two sata drive cables and replaced the boot drive cable, then tried to reboot. No dice, MB gives me 5 beeps, which after an hour of searching I found out means CPU failure. Also, if I leave the MB on after the 5 beeps I will get 6 beeps, then nothing.....

I didnt remove the CPU or CPU fan during installing any of the components, but as I mentioned I had to remove the MB from the case to add the power supply.

I cannot get the MB to boot in any way, not even enough to boot from a system disk. (was going to update cmos)

I have tried the following...

Reset cmos on the MB (jumper setting), removed the cmos battery and tried resetting cmos again, still get 5 beeps
Removed everything from the MB and tried booting, still 5 beeps
Replaced the power supply with the old PS, still same 5 beeps
Replaced everything in the system back to what I had before I created this mess and tried to reboot....yea u guessed it still got 5 beeps.

I am not sure how I did it, but I am guessing I toasted the CPU or the south bridge on the MB or both.

Anyone have any advice or can confirm?

Thanks

Del

 

[sivart]

I'm confused, so now you can't get the BIOS to POST? Or does the BIOS POST, but you can't get into an OS?

If the mobo is giving you beep codes, what does the manual say about them?

 

[dfuze]

I did a little googling and found some had a similar issue as you. I found this:

I got the five beeps after attempting to install a new video card. It turned out it was because the card wasn't seated properly. Once I pushed it in all the way everything worked again.

(found it here: http://forum.corsair.com/v3/showthread.php?t=49456 )

So maybe your card just needs to be reseated.

 

[DelD]

I cant get the BIOS to post, nothing happens other than the 5 beeps.

I removed everything from the MB, except the CPU and still got the 5 beeps. The bios should post, even with a video card not attached, you just cant see it. With this board if the bios posts then you will get a single beep, if you get anything else then something is wrong.

I will try rebuilding the system again tonight as a last resort, if it doesnt work this time I will start looking for MB and CPU options.

Thanks

Del

 

[dfuze]

How long ago did you buy that motherboard? I know it's an older one, but I had the exact same board a couple years ago. Asus was very good to me at RMAing the board for a bad north/south (can't remember which one) which died. If I remember right, they had a 3 year warranty on it.