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Periodic FPS drop while gaming, what can it be?

Forum Games General : PC Gaming - Periodic FPS drop while gaming, what can it be?

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sapii   10-09-2007 at 07:55:57 PM

Hi, recently i put together a new computer for myself, and althought it should be able to handle games like World of warcraft and Warcraft III, but it doesn't.

I keep getting periodic FPS drops, switching between 80-120 and 5-20 FPS every minute or so. I have tried monitoring my GPU and CPU and haven't found any abnormalities. And this happens whichever game i am playing which is really starting to annoy me.

using:

motherboard: ASus A8V-VM SE
CPU: Amt Opteron Dual core 165 1.8GHz 2MB s939
memory(DDR): 1x1gb , 1x512MB
GPU: Asus EN8500 GT SILENT.
PSU: a 570W of some brand..


My first suspicion was that it was the GPU. but then i returned it and got a new one:
ASUS EN8600GT, PCI-E, 256 MB,

and the problem remained. All of my friends who knows about these stuff couldn't tell me where the problem was so i could fix it, so no I am turning to this forum to find out.

I appreciate all help i can get.

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spuddyt   10-09-2007 at 08:14:41 PM
- 0 +

have you tried a clean install of windows? (no idea if it would help, but you never know), its very unlikely to be a PSU issue, since the 8500 uses screw all power, processer looks fine, memory looks ok for games like WoW... I can't see where the issue is, sorry

Reply to spuddyt
sapii   10-09-2007 at 11:04:11 PM
- 0 +

I recently formatted the harddrives, and installed windows so i dont think that's the problem.
It can't be that i have a 64 bit CPU on a 32 bit system?

Reply to sapii
smokedyou911   10-11-2007 at 01:31:43 AM
- 0 +

no the 64 bit cpu on 32 bit system isn't the prob, they are 64 bit ready. Is it lagging on warcraft 3? if so something is really really wrong becuase almost anything runs wc3.

Reply to smokedyou911
ailgatrat   10-11-2007 at 03:11:17 AM
- 0 +

Try disabling the Cool and Quiet feature in the BIOS to see if that makes a difference. That or you may want to take a closer look at your PSU. Just some thoughts...

Reply to ailgatrat
Ananan   10-11-2007 at 07:30:11 AM
- 0 +

Did you try using the sticks of memory individually?

Reply to Ananan
xstec   10-11-2007 at 12:43:06 PM
- 0 +

Also if you have any AV or antispyware programs running try disabling them. I used to have a program running where it took a "snapshot" of my comp every minute to detect viruses, this froze my windows for about a second.

Reply to xstec
sapii   10-11-2007 at 05:05:33 PM
- 0 +

i went to disable Cool and Quiet feature and found it disabled.

And yes i tried to use the mem sticks individually. still the same.

and yes it does the same thing on WC3, lags in periods.

i read somewhere on the net something about IRQ crashes, and i checked the IRQ list and the gpu isn't sharing it with anything that's not graphic related...

Reply to sapii
sapii   10-11-2007 at 06:14:24 PM
- 0 +

i downloaded 3d mark 06 and tested the system, these are the results:

1 - Return to Proxycon 14.446 FPS

2 - Firefly Forest 10.767 FPS


CPU Tests
CPU1 - Red Valley 0.2 FPS

CPU2 - Red Valley 0.305 FPS


HDR Tests
1 - Canyon Flight (SM 3.0) 11.428 FPS

2 - Deep Freeze (SM 3.0) 13.068 FPS

total score: 2893

does this mean that somethingis reallywrong withmy cpu?

Reply to sapii
Valtiel   10-11-2007 at 08:08:51 PM
- 0 +

What are your temps for your CPU (load)? I'd often have an FPS drop on my old P4 because it would start throttling and there would be a second or two of just straight freeze time, no matter what game. Took the case side off and never had that problem again.

------------------------------ Q6600 (lapped IHS+ HSF) @ 3.55Ghz 1.425v (BIOS) TT-120
Foxconn 8800GTX(648/1560/2000)
http://www.computerbase.de/bild/news/18649/2/ <==EXCITED! :D
Fan roundup: http://www.xtremesystems.org/forum [...] p?t=170224
 Reply to Valtiel
sapii   10-11-2007 at 08:18:17 PM
- 0 +

cpu temperature stays around 40 degrees celsius, and gpu at 55 degrees while gaming

Reply to sapii
derek2006   10-12-2007 at 05:19:46 PM
- 0 +

I'm having a very similar problem with BF2 recently.

Reply to derek2006
sapii   10-15-2007 at 04:15:01 AM
- 0 +

Have u dealt with it yet?

because so far i've tested my GPU/CPU/RAM and it seems that none of them are defect.. can it be the motherboard or psu?

Reply to sapii
Scotteq   10-15-2007 at 02:40:38 PM
- 0 +

Periodic slowdowns are often due to the system swapping information to and from Memory/HDD.


Issue: "memory(DDR): 1x1gb , 1x512MB"

Potential Solution: Try a matched pair of DIMMS

------------------------------ Being requested to remove my siggy implying some people here would receive greater personal benefit from a local Prostitute than from a new GPU in no way, shape, or form changes the aforementioned opinion.
 Reply to Scotteq
sapii   10-16-2007 at 12:51:45 AM
- 0 +

i've tried using only the 1gb or 2x512, i still get the same problem

Reply to sapii
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