Continue my OC

I have 2.4c, MB ASUS P4C800 deluxe. Memory is Kingston HyperX 2X256 DDR 3500. Video card is ATI RAGE 128 Pro Ultra.
I have taken so far the following OC steps:
External bus speed = 285
vcore = 1.575V
Memory speed = 266
Systems is running at 3.42.

What else can I do ? How about OCing memory?

Thanks for help.
 

Don?t like to be sarcastic but what exactly will improve if I change a video card?
 

Richdog

Golden Member
Feb 10, 2003
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Originally posted by: markgg
Don?t like to be sarcastic but what exactly will improve if I change a video card?


Good job you werent being sarcastic then, as that isnt sarcasm.
 

Budman,
When I changed it to 320 (I dont have 333 choice) computer did not even start.
 

Slammy1

Platinum Member
Apr 8, 2003
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LOL. What are your temps like? Hmmm? Cooling solution? That seems a bit excessive of an o/c. Of course your PC didn't start. I have a P4P800 with 2X256MB HyperX 3500. I run 271MHz FSB with a 320 memory frequency. For cooling, I run a Zalman 7000CU in a decent case. Idles around 28-30C, max 44C I've seen under Prime95 stress testing. Are these more the answers you seek?
 

Slammy1

Platinum Member
Apr 8, 2003
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Is that stock HSF? Under stress or normal? I worry about o/c'ing the thermal tape. I tried, but I couldn't stand it after a while. I stayed at 260FSB with stock and when I swapped the tape appeared rather crispified. That's the reason for concern. What are your memory timings? VCORE, VDIMM? Also, I ran 285 briefly just to show I could, but I wasn't stable at those speeds to Prime95. I didn't up anything at that point except VDIMM (I run 2.75V w/ auto CPU voltage = 1.582V). My timings are 2-3-3-7-8.

EDIT: I'm not sure about transferability of settings considering differences in PAT and MAM/Turbo settings. I stress test each o/c several ways. First, UT2K3 with everything turned on. It makes o/c'ing more fun ;). Then, I'll run Prime95 with a number of other programs (probe to watch temps, control panel to watch CPU usage until I get to around 90%, ATI TV, WinAmp w/ Visuals playing mp3s, WMP playing a DiVx file, and I'll watch a DVD watching for any anomalies). The final tier, when I'm looking to stick with an o/c, is running Prime95 for 12hrs or more. If I survive all that, I consider myself stable.
 

>Is that stock HSF? Not sure what are you asking about.
>Under stress or normal? I am not running any stress program at this point.
>tape appeared rather crispified. What tape?
My vcore is 1.575. The rest is default.
 

Slammy1

Platinum Member
Apr 8, 2003
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Originally posted by: markgg
>Is that stock HSF? Not sure what are you asking about.
>Under stress or normal? I am not running any stress program at this point.
>tape appeared rather crispified. What tape?
My vcore is 1.575. The rest is default.

Is your CPU the retail unit or an OEM version (heat sink and fan sold separately). The thermal tape is the black tape on the bottom of the retail heat sink that makes contact with the CPU for cooling. It's primarily for no or light o/c (285FSB is neither) and these boards are too new to tell the long term effects of high heat on the tape. Maybe it was supposed to look charred, but I don't have that much experiences in comparing tapes. I think you should back to 250MHz with the retail 2.4C. Just to be safe. I know they only need to last 1.5yrs on average, but it is a risk. Of course, no guts no glory either, so it's still your call. You want to download Prime95 from the link in the sticky of this forum. Run the torture test while watching Asus Probe. If it gets above 60C, I'd stop it and lower the FSB. It should reach max temp in 20 minutes, depending on how good your case solution is. That's what I report as stress. Light internet usage and a few background programs is idle.
 

Slammy1

Platinum Member
Apr 8, 2003
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Maybe a better BIOS will allow a stable 285FSB o/c, but I think if you're going to run that high a wise purchase would be a different heat sik and fan. There are a number of threads on the subject, the 2 most popular being the SLK800 or 900, and my choice the 7000CU. It's a piece of mind thing for under $40 (for the 7000ALCU, that doesn't include paste). It's not hard to mount, you dont even need to remove your CPU unless you use strong slovents to clean it.For now, I'd throttle back to a softer number like 260FSB, 2-3-3-6-8 memory, up the VDIMM slightly and leave VCORE alone.Run some stability at the front end, know the max CPU temperature for a given o/c. The max temp on these CPUs is 74C, but I giveit 10C for sensor reading differences.

EDIT: And set your Mem Freq to 320MHz for the o/c's I've mentioned ;).
 

I have changed my speed to 270 and memory 320.
I ran Prime95, The temperature raised to 60C very quickly. Strangly that fan's speed did not go up.
How can set memory timing?
The thing is that I am an idle user. Internet, users groups, programming. Light imaging.
 

Slammy1

Platinum Member
Apr 8, 2003
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Then I'd drop it to 220MHz FSB and run a memory frequency of 400MHz. On the P4P800 BIOS you select memory [By Spd] and change it to [Manual]. You should be able to run 2-3-3-7 no problem. Like I said, up the VDIMM to 2.75 (or 2.8V if you don't have 2.75 in BIOS). The only thing I'm unsure of is PAT. Someone else can help you, but my thought is run PAT at 220 and see if it's stable. If it is, Benchmark it (I typically use SisSoftware Sandra and 3dMark03). Compare your PAT on vs. off results. I was worried you were way o/c'ing. It's all about stability for your intended application. Check your load temps, they should be much better. Plus it's still more speedthan you need.