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Both dually rigs down

N

Nathan_P

[H]ard DCOTM x3
Joined
Mar 2, 2010
Messages
3,522
I've just come back from 2 weeks holiday and tried to restart the farm with zero success.:mad:

The usual/obvious - Machines were off, unplugged from the wall and not connected to the phone line whilst i was away to avoid any problems with lightening, no signs of any other damage and both were working fine until they were shut down

One machine wont even switch on and the other will not post. so far i have tried the following.

Tested one of the psu's - verified that works and used it in both machines

The x5670 will switch on but will not post, also nothing will display on the monitor, keyboard will not light up and it won't give out any beep codes
Tried removing some of the ram
Tried ram sticks from the other rig
Tried switching off the onboard VGA and installing a working GTS 250
Tried booting with no hard drive
Tried booting with no fans etc attached

The L5640 will not even switch on,

Tried a different power switch
The rest is as above

Any idea's or am i looking at RMA time - difficult since both machines have previous owners.
 
dam that sucks, did it have water or the like? Is the PSU plugged into the board fully (had that with my 1090T drove me crazy for a bit)
 
W.Feather said:
dam that sucks, did it have water or the like? Is the PSU plugged into the board fully (had that with my 1090T drove me crazy for a bit)
Click to expand...

No, both boards are Asus Z8NA's so no water cooling and no sign of water damage at all,
Definately all power cables are in properly.
I know that at least one of the psu's is good as it booted my E6600 rig up no problem. I supoose i get another PSU (been thinking about it anyway) and try that. I'm not dismantling the daily rig as its a HX 1000 and all the cables are tucked and tied away.

Looks like the other psu is dead though as it won't boot my E6600 rig
 
Very odd that it is two rigs. *scratches head*
 
Tobit said:
Very odd that it is two rigs. *scratches head*
Click to expand...

Its not the wall socket either, that is currently running my backup GPU rig.

I have no idea what has happened, neither rig was touched at all whilst we were away,
I am confused too, i could of understood it if they had been attached to the socket as we had so power problems whilst we were gone -but they were both completely disconnected
 
i have seen these kids of problems before. one was a board that would run on a bench but not in a case never figured that one out. Second was ten years ago when i shut down my farm for the summer then 4 months later when it was time to restart had hard drive and psu failers.
 
Some things just should never be shut off.

Welcome back from vacation I was wondering why I was able to start closing the gap again.

On to your problem.

On the one that powers but doesn't post CLEAR THE BIOS. Failing that pull ALL of the ram. That should cause a no ram post error. If that doesn't generate an error then head down the path of stripping the board to nothing except minimum required to post. One CPU one set of ram. Unplug EVERYTHING else. Even the USB ports on the front of the case and see if it posts.

Also keep in mind the PSU can run a Q6600 but that isn't the same as starting one of these beasts.

Are the PSU's the same?

If you have no success buy a PSU and start from there. Don't RMA anything until you resolve what the problem is. This should be possible as you have two complete systems.
 
I usually pull the CMOS battery out and press the power button in for a few seconds for it to try to boot then pop it back in and that resolves the problem with computers not starting. Might be worth a shot.
 
My L5640 had same issue that your X5670 has..... I swapped it out and put i7 920 in .. everything ran fine ... Could be the cpu is FRIED :D .. Have you tried to use "spare" cpu to check if board, ram are fine?
 
you sure you flipped the power switch on the PSU back on :) LOL j/k im sure youve check that.
 
nwrtarget said:
Some things just should never be shut off.

Welcome back from vacation I was wondering why I was able to start closing the gap again.

On to your problem.

On the one that powers but doesn't post CLEAR THE BIOS. Failing that pull ALL of the ram. That should cause a no ram post error. If that doesn't generate an error then head down the path of stripping the board to nothing except minimum required to post. One CPU one set of ram. Unplug EVERYTHING else. Even the USB ports on the front of the case and see if it posts.

Also keep in mind the PSU can run a Q6600 but that isn't the same as starting one of these beasts.

Are the PSU's the same?

If you have no success buy a PSU and start from there. Don't RMA anything until you resolve what the problem is. This should be possible as you have two complete systems.
Click to expand...

PSU's are not the same model but they are both Antec, one is a TP-T 650 and the other is a EA650. Both PSU's do work in my E6600 rig running a GTS250. Was looking for a new PSU anyway to help with the leccy bill so will be ordering an AX-650 tonight.

Have cleared the BIOS - no effect
Have pulled all the ram - no effect, not even BIOS beeps
Have pulled the CMOS battery - no effect
Have taken out cpu 2 - we have a result, got some bios beeps.

Have added 1 stick of ram and a keyboard, will see what happens now

edit:- Can get the bios up and have now added a HDD and 2 more sticks of RAM - Next task is to see if i can boot the OS
 
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These gremlins can sometimes be scared away by pulling the mobo out of the case and giving it a good shake. Is it possible a paperclip or screw or dust or something is shorting out? Have you blown the rigs out with some air? I often find odd issues can be fixed (or at least more easily detected) by changing the grounding.
 
Keep in mind that a PSU that is on its way out may power one cpu and not 2. just a thought
 
OK have got into UBUNTU, since i don't want to mess with the clients gonna put in my windows HDD and try some SMP to see if the machine can take the strain of doing some work.
 
jebo_4jc said:
are you sure the AX-650 is worth the 300% price premium compared to the Antec Eco 620? http://www.newegg.com/Product/Product.aspx?Item=N82E16817371031
Click to expand...

Long term cost of electricity is a factor in going for the corsair PSU. I pay nearly 13pence per Kwh (20c for you in the US) so running 24/7 anything i can do to cut down the bill helps. The PSU will pay for itself in less than 2 years. Plus its corsair so if there are any problems their service is 1st class. I can score an AX for £88 + shipping which isn't bad considering i paid £78 for the EA650D 3 years ago.
 
rick5127 said:
Keep in mind that a PSU that is on its way out may power one cpu and not 2. just a thought
Click to expand...

Its looking that way unless there is a problem with the 2nd CPU or socket. Not wanting to risk the prospect of a major bang I have already ordered 1 replacement PSU - the other will have to wait until next month
 
Ah so the shell shocker wasn't available to you anyway. I forget that you are in the UK.
 
jebo_4jc said:
Ah so the shell shocker wasn't available to you anyway. I forget that you are in the UK.
Click to expand...

No, that PSU is not even available in the UK at either of my favorite etailers. just dropped for the AX 650, yes is costs a bit more but fully modular and 7 year warranty cannot be argued with
 
YEAH! We have some signs of life!

On the box that doesn't power on try the same things once you get the new PSU.
 
We haz the power:D

1 new AX 650 installed and 1 dual x5670 rig back up and running. Running standard SMP under win 7 for 24 hrs to see if there are any issues and then it will be back on Linux.

Is the AX overkill - possibly, but A: Its working, B: i've just cut 37 watts of the consumption of the rig.

Now onto rig 2
 
nwrtarget said:
same problem?
Click to expand...

No, the damn thing is working. Took the TP-T out the 5670 box where it would only run one CPU and the damn thing is now running the entire 5640 box with no problems at all. I've taken the opportunity to reinstall ubuntu 10.10 and then i will let it run if there are any problems.

I have no idea why the PSU would not even boot the machine last weekend but will do so now - I can only surmise that it is on its way out but is currently providing enough for 2 l series xeon's where as the x series draw too much.

Not wanting to risk it going pop on £800 worth of gear i will be ordering another new PSU next month.

Now, given that an L5640 rig uses very little juice - any recommendations for a good,efficient small ish PSU say 450-500w. Bear in mind i'm in the UK so not everything is available
 
I got a Xigmatek 400W PSU for my dual x5570 rig, it was $35 usd. So far it has been great running at about 300 watts from the wall. Stays pretty cool, and the cables are sleeved.
 
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