Cablerat Posted June 24, 2004 Posted June 24, 2004 I've been reading up on the extreme overclocking capabilities of these chips and I'm curious what else I could do to get a more stable setup. My system. AMD 2500 XP Mobile (Stepping 0) Believe it's an I not an A series?.. ABIT NF7-S rev 2.0, Bios 25 from ABIT using FLASHMENU. Premier OCZ 2x512 Dual Channel PC3200 DDR 400 RAM. ABIT SILURO Ti-4200 64MB Video WD 80 GIG 7200 rpm 8mb Cache Drive ThermalTake Silent Boost Air cool. (Sucks, but quiet) Case open right now with a small fan trying to keep the cpu cooler. 430 WATT PSU (not sure what brand right now) Window XP. ------------ The most stable setup I've gotten so far is.. System Clock 128x18 = 2305 Mhz Core V. - 1.93V DDR V. - 2.8V Latency is OPTIMAL, 2.5 - 3 - 3 - 7 (I believe) Prime95 went thru self tests no problem and ran up to 8 hours when I stopped it. IDLE is about 50C, Load up to 65C. ------------ When I had it to 133x18 = 2400 Mhz, after about 45 mins of load it would crash. Prime95 would result in rounding error within 5 mins of selftest. ------------ I can get it to 2550 Mhz to run, but minimal stability, prime95 like 10 secs before rounding error and ofcourse temps are in the high 60's. ------------ I had Samsung Ram before and could not get to even 2400 mhz. Since I switched to OCZ I'm doing much better. From reading up I've come to realize that my Core Voltage is generally much higher than other people have, but I can't get prime95 to run stable without hitting over 1.875V. I'd like to stay with air cooling but I'm not sure what's the best bang for buck cooler? I'm wondering if the power supply is not powerful enough to provide stable voltage? What else could I look at to increase the performance and gain stability? Any help is greatly appreciated! Thanks, Khosh Share this post Link to post Share on other sites More sharing options...
Some_Guy_ Posted June 24, 2004 Posted June 24, 2004 Drop the multiplier to 11 or 12 and jack up the FSB to 200, and start going from there. You'll get much better performance that way. Share this post Link to post Share on other sites More sharing options...
ccokeman Posted June 24, 2004 Posted June 24, 2004 drop your multiplier to 10 then start upping your fsb. You could run 230x10 and get an enormous increase in performance. Try your memory timings at 11-3-3-2. Drop your voltage gradually to find where you need to run it . 1.9 is a bit high . Mine only needed 1.725 to get to 200x11 and 1.9(1.875 actual) to get to 228x10 but my chip craps out at 228 under prime so it was back to 227. Share this post Link to post Share on other sites More sharing options...
Cablerat Posted June 24, 2004 Posted June 24, 2004 drop your multiplier to 10 then start upping your fsb. You could run 230x10 and get an enormous increase in performance. Try your memory timings at 11-3-3-2. Drop your voltage gradually to find where you need to run it . 1.9 is a bit high . Mine only needed 1.725 to get to 200x11 and 1.9(1.875 actual) to get to 228x10 but my chip craps out at 228 under prime so it was back to 227. Kool, I'll try that.. Would is run cooler with a Higher FSB and lower Multiplier? Or it doesn't make a diff, since the MHZ amount to the same? Any ideas on a new fan/heatsink? I'm going to install 2 case fans to get more air flowing because I realized 40C case temps with the side panel off! I've been reading the reviews, but there's just so many fans!! What kind of temperature ranges should I be in? I've been reading about people in low 50's or high 40s under prime load and air cooling! Share this post Link to post Share on other sites More sharing options...
bloodking Posted June 24, 2004 Posted June 24, 2004 keep it under 50 and you'll always be fine. ( load) but with case temps of 40 you won't get the CPU cooler. i got 31 case and 41 CPU (idle) and 48 (load) that's with a thermalright SP-97 and a 92mm sunon fan. it won't run cooler if you up the FSB, it will probably run hotter because of more data being transfered at the same time. Share this post Link to post Share on other sites More sharing options...
DarkScorpion Posted June 24, 2004 Posted June 24, 2004 I run my chip at 49 idle and 54 load and its pretty stable. The reason in because of the hot ambient temps (houston) and the fact that im using the stock AMD cooler Share this post Link to post Share on other sites More sharing options...
Agallion Posted June 24, 2004 Posted June 24, 2004 ds its not that hot here, you have ac man! Share this post Link to post Share on other sites More sharing options...
Cablerat Posted June 24, 2004 Posted June 24, 2004 keep it under 50 and you'll always be fine. ( load)but with case temps of 40 you won't get the CPU cooler. i got 31 case and 41 CPU (idle) and 48 (load) that's with a thermalright SP-97 and a 92mm sunon fan. it won't run cooler if you up the FSB, it will probably run hotter because of more data being transfered at the same time. Wow, that's a serious heatsink. I think I'll just buy another different fan for my thermaltake silent boost. The fan is dang quiet and slow (2300 rpm I think). Any other ideas, please let me know! I'll post some update when I get a chance to play with it tonight. Thanks for all your help! Share this post Link to post Share on other sites More sharing options...
Some_Guy_ Posted June 24, 2004 Posted June 24, 2004 Lots of people put ThermalTake SmartFanIIs on their Silent Boost sinks. I'm one of them. If you want more cooling and don't care about noise, then get a Vantec Tornado. The most airflow you can get from an 80mm fan. Share this post Link to post Share on other sites More sharing options...
ccokeman Posted June 24, 2004 Posted June 24, 2004 If you dont want to spend the coin on the sp-97 i can recommend the slk900a. It clips on so you dont have to take out your mobo and it kept my 2500 at 37 idle and 40-41c load with a tornado at 3300rpm.It goes on sale pretty often at SVC So take a look> It will not run cooler with a higher fsb but it will out perform what you have now. Good luck! Share this post Link to post Share on other sites More sharing options...
Cablerat Posted June 25, 2004 Posted June 25, 2004 So, I set my FSB to (200 X 12) 2400 MHZ and it crashed in 45 mins under load. I set it to 2300 and it crashed after 10 mins. I set it to 2200 and it wouldn't boot. Messed up cuz I was going backwards.. weird i don't understand it. I dropped the FSB to 173 x 14 = 2430 MHZ and it ran fine for about 30 mins on PRIME 95, but the temp was hitting like 69 C and I stopped it. I had set the FSB to 215 just for the hell of it and it wouldn't even boot, it just beeped and screen was blank. I definitely got to get a better fan and keep the temperature down. Does anyone know any online sites like NEWEGG.COM for Canada?? I can't find anything.. I'd like to purchase the TT SMARTFAN II for my TT silent boost. Thanks, Khosh Share this post Link to post Share on other sites More sharing options...
spectrascope Posted June 25, 2004 Posted June 25, 2004 buy from newegg and ship it to friend or relative in the states and have them ship it to you also you can still be silent with a sp97 and a panflow 92mm will decrease your temps a lot but make sure you use as5 Share this post Link to post Share on other sites More sharing options...
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