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WTH....GA-X48-DS4 wont post....after a year of flawless service

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Rig has been running fine for a year.
Not over-clocked at the moment.
Has latest BIOS
This morning I powered down the rig.....then did a cold re-boot.
Rig will power up....mobo lights up...But I have no beeps, no BIOS...nothing.
Stalled or something?

I then did this:
CMOS clear...Same result
Battery pull..same result
Did a bare bones boot. ( CPU, Video, 1 DDR2 stick) Same result
Tried a different C2D CPU....Same results
Tried different video card..Also tried video card in slot #2...Both same results.
Tried a different PSU..Same results..

I'm at wits end here.
Bad mobo??? :fou: 

Man.....I'm sick of shelling out cash for components that last a little over year. :fou: 

More about : wth x48 ds4 wont post year flawless service

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Welcome to the party of unexpected Gigabyte failures...

Consider yourself lucky, my GA-965P-DS3 did this 3 times in less than 16 months... to be clear, I built the same computer 4 times and ended up purchasing an Asus motherboard.

Well this is odd:

I did another bare bones boot try using one memory stick just to narrow down if it was my G-Skill sticks.
Sure enough...I was able to get the rig to boot using one stick.
The other 3 sticks I have would not boot.
I tired the "good" stick in all 4 mem slots and the rig would bot up fine.

So you mean to tell me that I somehow have not one....but 3 bad sticks of the same memory, brand, and purchase date?

What do you think happend here?
Can the mobo kill 3 sticks of memory without any known reason?
I wasn't even over-clocking.


Motherboard Authority

Try doing a 'Load Optimized Defaults' with the working stick; save, exit, reboot; shut down and add another... RAM P/N? I have an X48 in my workstation, with 8G of G.Skill F2-8500CL5D; have run it @ over rated speed, both a tenth under and over rated voltage - takes a lickin' and keeps on tickin'(but I have a fan on it...) - and a sizeable number of people here have had really good luck with it; be very surprising if it died with no cause! One more question - have you recently added a new (or, more often, old) USB device - occasionally they will cause devilishly weird symptoms, and 'break' the CMOS settings...
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bilbat said:
Try doing a 'Load Optimized Defaults' with the working stick; save, exit, reboot; shut down and add another... RAM P/N? I have an X48 in my workstation, with 8G of G.Skill F2-8500CL5D; have run it @ over rated speed, both a tenth under and over rated voltage - takes a lickin' and keeps on tickin'(but I have a fan on it...) - and a sizeable number of people here have had really good luck with it; be very surprising if it died with no cause! One more question - have you recently added a new (or, more often, old) USB device - occasionally they will cause devilishly weird symptoms, and 'break' the CMOS settings...



BillBat:

The only change I've done in the past 2 weeks is installed Win7 x64.
No dual boot....no overclocking.
Plain n simple set up.
Latest BIOS or the mobo from Giga flashed a year ago.
Rig has been running pretty good.
No other hardware or new USB devices were addded.

I'll try your Load Optimization method though.

thanks
Motherboard Authority

Thought of another question - to run four DIMMs, you typically have to have 'bumped' your MCH voltage by a tenth to 1.2V - have you done this? Might try it, could fix all (though I can't imagine why single sticks would fail, unless CMOS got screwed somehow...)

Tried the Load Optimization in CMOS and had the same effect.
Still only one of these G-Skill sticks that work.

The sticks are running at stock voltages.
No tweaking what so ever.

Update:
I borrowed some DDR2 sticks from a friend and popped them in....4 x 2GB sticks.
Rig booted like a champ. Shows all 8GB in BIOS.

I have to think its the bad 3 sticks.
Perplexed as to why 3 of them got wasted though.
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