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Power Supply Issues 3

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leonec

Technical User
Oct 5, 2002
162
US
I just build a computer and the only problem that I seem to be having is that after a while the computer restarts by it self. After some diagnostics I see that the fans in the power supply are not spinning a there proper speed.

So I figured that it was just a defective PS so I replaced it, however the same problem is occuring.

So, I need some advice on what to do next.

Any suggestions are greatly appricated.

Specs:
Asus A7V333
Athlon XP 1900+
Antec 330True PS
3 Chassis Fans
256MB DDR2100


Thanks.

Chris.
 
Look in Event Viewer and see if there are clues to the reboots...fans in the power supply (better ones) run at speeds depending on what they need and know that from a feedback loop they use.
What are you doing when you get the restarts? It'll do it just sitting there?
Have you turned off automatic restart...so it may give you the cryptic purse-string puckering blue screen messages we all love so well LOL?
I know they don't seem to help, but in the end they do.
 
This is what the event viewer says.

The computer has rebooted from a bugcheck. The bugcheck was: 0x0000000a (0x26800003, 0x000000ff, 0x00000001, 0x80430abd). Microsoft Windows 2000 [v15.2195]. A dump was saved in: C:\WINNT\Minidump\Mini100502-05.dmp.

I can't make anything out of that. Can You?

The reboot happens at anytime. I could be using it or not.
 
what wattage PS did you put in?? ----------------------------------------
There are 2 types of computer, the prototype and the obsolete!!
 
...the A7V333 is the worse mobo I have ever owned!...there are 2 jumpers not noted in the manual and the power fluctuates like mad...I don't like this board at all!
...this is a list of the mobos I've used and still own>
CUV4X-E,P3B-F,TUSL2-C,A7V266-E,A7V333,P4B533,P4B533-E
...this is the hardware that is currently in my Rig>
ASUS P4B533-E (I use the onboard LAN and RAID)
Intel Pentium P4 2.6G
Mushkin PC 2100 CAS 2.2.2.5 High Performance Ram (512)
ASUS V-8460 GeForce4 Ti 4600 Ultra
Creative SoundBlaster Audigy Platinum
Maxtor (2)Diamond Max Plus 8 20G Ultra ATA 133 liquid bearing (Raid0)
(1)D740X 20G Ultra ATA 133 (IDE)
Antec 480W True Power
...this Rig is fast,very fast!...but I upgrade all the time cause I like to test the new products that hit the market!...I went through 3 A7V333 mobos and gave up,one of the mobos blew my AthlonXP2000,count...3 different A7V333 mobos with the same problem!...forget that crap,the mobo is collecting dust as it should,the first two didn't even have a chance and I did not OC the mobo at first until I knew I had all the voltages down pat,right down to the jumpers...TRUST ME!
...all I can say is the A7V333 is one mobo ASUS overclocked way to much,Mushkin has a life time warrenty on their memory and they encourage overclocking but you will not get the warrenty if you have an ASUS mobo cause Mushkin is fed up having to replace memory modules to folks with ASUS mobos,standard voltage for most memory modules is 2.5 and an ASUS mobo comes stock clocked to 2.6 for memory and in the case of the A7V333,the stock voltage is 2.7,...2.7 volts can fry your memory,and,...ASUS will take no responsibility if you fry your module(s)!
...think about it man!
 
Soooo....that just ruined my day. It sounded like such a nice MoBo! :(

Well, then down4life can you suggest a MoBo for me? I have a Athlon XP 1900+ and DDR2100 RAM.
 
Im suprised that you hate the Asus A7V 333, Maximum PC love it and so do I, but we are all intitled with our own opinion. Scotty Mac a.k.a smaxted

"Another day, another problem"
 
smaxted...your not having any problem with your system?
 
The PS is an Antec 330W TruePower.

 
i would have gone for something higher.... a 400w at least ----------------------------------------
There are 2 types of computer, the prototype and the obsolete!!
 
One other thing, are you sure it's the PSU ? Random reboots are common with overheating athlons and the 1900+ uses the palomino core which can be very difficult to cool. In fact the PSU is one of the last places I would look for this kind of problem.
Also what OS are you using, w2k with windows auto update can force reboots if it runs while something else is running. If auto update is enabled, switch it off.

Will.
 
I think you should give a lot of consideration to what DentArhturdent is saying. Sounds like he knows his stuff. Personally, I wouldnt be ready to blame the ps when there are software and os issues that can cause the unit to reboot. Not to mention the cooling issues with amd products such as the Palomino. Perhaps a better cpu hs/fan combo or more air across the mobo and cpu? Worth trying, specially if you could borrow one to try out!


 
leonec: no im not having any problems. I own a couple of machines with the Asus A7V 333 board and some of my buddies do too...I've never had any problems (knock on wood) Scotty Mac a.k.a smaxted

"Another day, another problem"
 
I am not saying it is the PSU, its just in my experience of reboot problems (just sorted one myself) - it was the PSU. I seems alot of PC`s (especially pre-built) use cheap, nasty, and low wattage PSU`s. Better to have a good one to avoid these problems

But as was said, dentarthurdent sounds like they really know there stuff.... take notes.

Cheers

Dan ----------------------------------------
There are 2 types of computer, the prototype and the obsolete!!
 
Not only that, but he is running an Antec 330W TruePower.
That should be more than adequate for his system. Dont want to argue, just my opinion.
Also, perhaps with the 3 chassis fans, the ps fan doesnt need to work as hard.
 
I see that I mentioned above about trying another hs/fan if you can. But I also see you have 3 chassis fans. I wonder how you have these fans set up. I dont know as much as I should about fans and such but I have heard that you could put too much strain on your power supply and/or mobo with too many fans. Also, I have heard that you need to have a balance between incoming air and outgoing air and that sometimes we have too much incoming and not enough outgoing. When that happens we are wasting power from the ps.
So maybe have a look at your fannage. Have to start with the cpu. Do you have enough hs for the cpu? What are the specs on the cpu fan, what is the air flow rating? Where are your other fans located? How much air is coming in vs how much air is being forced out? Are there any "dead spots" where air is being trapped or where airflow is needed but is being blocked by, say, cables?
You can best answer most of these questions of course.
And after that, we need to have a look at os/software problems. First off, do you have any program running that specifically deals with fans or such?
 
well...it seems to have stop for the last couple of days since I moved around some the the molex connectors. Before I had all 3 chassis fans daisy chained (the psu said i could do this in fact the connectors are labled "fans only") and I had the HDD,CD,FDD all on the same chain so I instead hooked up on fan to a single molex and i did this all so to the HDD and left the FDD and the CD on the same chain.

Now I don't know if any of this matters or not but it has seem to have stopped.

PS. the One chassis fan is spinning really fast now that I changed the connector and its loud as hell.

Thank for all the replys!
 
sounds like psu cant cope ----------------------------------------
There are 2 types of computer, the prototype and the obsolete!!
 
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