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what temps could i get with the hydrocool 200ex on a 3.2c p4


cowboy

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well the hello every one this is my first thread on these forums and as u can tell am thinking of getting a h/c 200ex i have a thermalright slk 947u and i get temps of around 25 idle and 35-38 load with prime 95 torture test and am just wondering what temps i would get with a h/c 200ex any guesses and it would be nice to see what other people get with there cpus please thanks for your time good bye p.s i can a good overclock of 3.6 but my temps r not totally stable
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[quote name='cowboy']well the hello every one this is my first thread on these forums and as u can tell am thinking of getting a h/c 200ex i have a thermalright slk 947u and i get temps of around 25 idle and 35-38 load with prime 95 torture test and am just wondering what temps i would get with a h/c 200ex any guesses and it would be nice to see what other people get with there cpus please thanks for your time good bye p.s i can a good overclock of 3.6 but my temps r not totally stable[/QUOTE] First of all, how do you know your temps are reliable? DO NOT TRUST the temps in the BIOS! They are off +/- 10 C! Also, you must keep track of room temp as that will obviously impact air or water cooling. To compare air versus water you need to compare at the exact same room temp to do a valid comparison. Also you must use a digital temp probe on the CPU. Moreover, you must test the CPU at the exact same clock and VCORE. That being said, your stress temps seem rather low unless your room temp is <20 C. I can only tell you what I am running now, which is a 3.2C at 236 fsb or 3.78 gig. VCORE is 1.675 and room temp is 20.5C. At idle I am getting 25.5 C water and 27 C CPU. If that sounds great, not so fast. Under stress, the water runs 27.5 and the CPU 30.5. So as you can see, stress temps are much higher. I'm not using Turbo mode. I would say these temps are pretty decent. Keep in mind there is a much faster temp drop with water versus air, so cooling with water is much better even if you see the same CPU temps with water as with air. No doubt I can run 5-8 mhz higher on an overclock with a HC200 versus my Alpha.
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If I had to hazard what temp I would get with the same setup on an Alpha8942, I would say my CPU temps would be 39-41 C, as the VCORE is pretty high and this 3.2 puts out a lot of heat, and it's starting to be spring here so room temps are not that low.
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cheers for the reply lads i live in britian so its cool any way i have a temperature gauge in my room and my room temps are about 20 degrees c and my temps are pretty accurate i use mbm 5 and i have a mac doc 5+ which is on the edge of the cpu and is only a couple of degrees out
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Boy, what a difference a CPU makes. I took out my stubborn 3.2C that needed 1.72 VCORE and am now running a 2.40C MO step that does 300 fsb on the HC200. Needs 1.675 volts, but it is running much cooler. I am really pleased at the temps the HC200 is giving me. Room temps are pretty cool now at 19.5 C so that has something to do with it. But water temps are 25.5 and stress temps are 27.3! Sometimes CPU temps are only 1.5 C over water, running SuperPI, Memtest, or the IL-2 demo (the worse heat generator I seen). I don't know if it's real, but at idle, I've occasionally seen the CPU at 0.5 C less than the water! And I'm just running Prestone antifreeze at about 33-35%. So the CPU characteristics has a lot to do with water temps. This 2.40C I have runs 293 on air on several boards. With the HC200, I was able to squeeze 300 mhz out of it totally stable on the IC7 and IS7-E. Heck, many would give an arm and a leg for 300 fsb. So if you don't have a magical chip, about $200 and 45 minutes of setup time is all it takes. :):
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My 3.0 with the Vcore of 1.675 and OC'ed (see signature) brings in: Room temp 20-21C H200 display 26 @ norm; 30-31 under load ASUS Probe 29 @ norm; 36-37 under load Digital Doc 5 with probe touching cpu die 27 @ idle; 35 under load This is with only an average of two-three case fans running. Hope this helps.
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The temps depend a lot on the CPU. I took out this cool-running 2.40C and put in a 2.80C MO step that does 258 fsb or 3.616 gig at 1.675 volts, and this one runs: 21.1/27.5/30.2 C temps (room/water/CPU) while running 3DMark2001. At idle the water runs 25.5 with CPU at 27.1. I got good case cooling, with two 120 mm intake fans, an 80 mm exhaust, twin 80 mm blowing over the video card, and twin 40 mm blowing on the mosfets right next to the HC200 CPU block. I'm not looking forward to summer where room temps will hit 25 C with A/C running :(:. That's the only problem with water cooling. While I have a MachII GT on order, the damn thing costs $1500 versus $200 for the HC200.
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Folks, sometime ago i posted here with a complain with my HC200ex temps. Adveices were to reseat wblock and change thermal compund, that was the one included with hc200. I've now put on arctic silver 5 and reset wblock.. Right now, I've a p4 3.0, 240FSb@3607mhz, 1.65vcore, testing with SUPERPI, 32Mb. Mobo is abito ICS-MAX3 Temps are: water: 29.5 C° and CPU 47° (speedfan4.11); can't say 'bout room temp, but I guess it be to around 22/24 C°:grrr::grrr::grrr::grrr::grrr: I still think my temps are very high, more or less the same when I was on air, and I fear the summer, since here room temps can jump up! Any suggestion? Thanks in advance! Andrea
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[quote name='GhostDog']Folks, sometime ago i posted here with a complain with my HC200ex temps. Adveices were to reseat wblock and change thermal compund, that was the one included with hc200. I've now put on arctic silver 5 and reset wblock.. Right now, I've a p4 3.0, 240FSb@3607mhz, 1.65vcore, testing with SUPERPI, 32Mb. Mobo is abito ICS-MAX3 Temps are: water: 29.5 C° and CPU 47° (speedfan4.11); can't say 'bout room temp, but I guess it be to around 22/24 C°:grrr::grrr::grrr::grrr::grrr: I still think my temps are very high, more or less the same when I was on air, and I fear the summer, since here room temps can jump up! Any suggestion? Thanks in advance! Andrea[/QUOTE] let's see 3.0C rated at 81.9W heat output so @ 3607mhz at 1.65v = 111.5W HC200 is rated for 0.13 - 0.14 C/W your C/W = (47-29.5) / 111.5 = 0.1569 is about what i get as well with P4 3.4C@3865mhz at 1.68v with Abit AI7 although IC7 Max3 tends to report temps a bit higher - i hear Abit corrected them a bit with latest bios
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AS5 takes some breaking in, about 200 hours or so. Since I change CPUs so often, I quit using it and am back to AS3. I think the thing works though. I am using it on a 9800 Pro. My worse 9800 Pro only managed 412 core artifact free so I put on a VGA Silencer and AS5. Right off the bat, I gained maybe 16 mhz on the core, which is pretty darn good. I ran this a week. Last night I sneaked up to 440 core and I swear I see no white dots in Aquamark. I guess the AS5 is breaking in. I'm pretty happy with 440/367 on my worse 9800 Pro, as the other two I have do 440 and 432 core, artifact free, with the stock sink :D:. I'd be happy to gain 28 mhz on those. Update: currently room temps are 22.1 C. With this 2.80C I'm running at 1.70 VCORE, I am seeing 29.5 water and 31.0 C stress. I'm using 33% Prestone. You guys are seeing 43-47 C CPU under stress? Are you guys using the BIOS temps? I am using a digital probe touching the edge of the CPU.
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Hey Clevor :) 1. 2.8C rated at 69.7 - 75W versus 3.0C @ 81.9W versus 3.2C @ 82W versus 3.4C @ 89W 2. you ambient is 22C while mine is right now 30C, 8C difference 3. I'm using Abit AI7 EQ reported temps and my Ceramique has only been applied for less than 3 days now probably around 40-60hrs actual use 2.8C SL6WT and SL6WJ are 69.7W and 2.8C SL6Z5 are 75W What is your 2.8C clocked at for 1.7 vcore ? i.e. if it's at 2.8C@3.5ghz your cpu would be producing 108-116.5W of heat. If it's at 3.6ghz cpu would be producing 111-119.8W of heat. What does you bios say when 31C on your probe ?
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[QUOTE]What is your 2.8C clocked at for 1.7 vcore ? i.e. if it's at 2.8C@3.5ghz your cpu would be producing 108-116.5W of heat. If it's at 3.6ghz cpu would be producing 111-119.8W of heat.[/QUOTE] I'm running 258 fsb or 3.61 gig. [QUOTE]What does you bios say when 31C on your probe ?[/QUOTE] I have not bothered to look at BIOS temps on my boards for the last 3 years or so :laughing:. The 2.60-2.80Cs are real stubborn CPUs and generate a lot of heat. I can pass all my CPU and 3D stress tests at 1.675 VCORE, but need 1.70 to pass CPU2 in 3DMark2003. Even here, I still cannot pass the CPU text search in PCMark2002 (common problem with the 2.80Cs), but it passes everything else, including the 16M SuperPI, IL-2 for 30', SS2nd Encounter demo loop. This is my 'junk' 2.80C. I have a better one that does 255 on air. This one did 250 on air, so I gained 8 mhz on water. I'm not entirely happy with either CPU.
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i see i have an old week 21 2003 SL6WT 2.8C does 257fsb at 1.75v though on air... have 3 other 2.8C coming my way to test out my Hydrocool hehe fingers crossed these 2.8C are better :) ya need to look into the bios, so i have something to reference against :D
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Maybe things have changed, but I only stuck with MO step 2.80Cs. You'd be lucky if they do a decent overclock you like, and will pass Sandra Arith, Multimedia, PCMark, the high polygon test in 3DMark2001, and CPU2 in 3DMark2003. Water helps a lot with this. I think the good one I have does 255 at 1.58 VCORE or something (air). Good luck!
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[quote name='eva2000']yeah i don't mine if i get close to same oc's as my current 2.8C all i want is for them to achieve it at much lower vcore like your nice 255fsb at 1.58v heh[/QUOTE] I'm somewhat jaded as I have a 2.60C that does 277 fsb or 3.61 gig at 1.55 actual VCORE. Then there's an SL792, 30-cap 3.2C I have that does 240 fsb or 3.84 gig at 1.55 VCORE. I've not tried higher yet with both CPUs. These are candidates for a MachII GT. Plus I have two MO step 2.40Cs that do 3.60-3.66 gig, albeit at 1.65-1.725 on air. Plus the 2.80Cs max out around 255-260 fsb, which is a no-man's land for ram. Too high to run 1:1, 2-2-2-5 with BH-5 even with 3.2+ VDIMM. I'm running this 2.80C on an IS7, where at 258, 5:4 or just DDR412 at 2-2-2-5 I get 3200 unbuffered bandwidth! Good for a 38 sec SuperPI 1M time. It's because I am running two 512 MB sticks (double-sided), plus I can run SR-Enh-A-D-D to get partial PAT.
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[QUOTE]yeah i don't mine if i get close to same oc's as my current 2.8C all i want is for them to achieve it at much lower vcore like your nice 255fsb at 1.58v heh[/QUOTE] I checked. I was wrong. I needed 1.675 to do 255. As I said, the 2.80Cs are crapola. The 2.60C did do 277 fsb or 3.61 gig at 1.55 on air, not water, and the Alpha was not making center contact with the CPU when I took it off :):. I do have an old L249xxx 2.40B that does 184 fsb at 1.45 actual VCORE. And the D1 step 3.06Bs are doing 3.55-3.6 gig at 1.55 volts on air.
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[quote name='eva2000']let's see 3.0C rated at 81.9W heat output so @ 3607mhz at 1.65v = 111.5W HC200 is rated for 0.13 - 0.14 C/W your C/W = (47-29.5) / 111.5 = 0.1569 is about what i get as well with P4 3.4C@3865mhz at 1.68v with Abit AI7 although IC7 Max3 tends to report temps a bit higher - i hear Abit corrected them a bit with latest bios[/QUOTE] Hi Eva, thx for the help, but err.....mhhhh....I did not understand so much! Your'effort is very noble and very appreciated, but I'm left-handed, so numbers and math are not my cup of tea (or my jug of beer :): )!!!! Are you saying that - after all - my temps are quite normal? Right now I've raised the vcore to 1.675 @3678 MHz and - with a case temp of 31°, my Speedfan reports a CPU temp of 46°, and hydrocool says 27.5° Shoul I start to put ice in the hydrocool? Summer in round the corner here! Thanks again, mate! Andrea PS: noce livin' downunder!
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[COLOR=Red]"CPU temp of 46°, and hydrocool says 27.5°"[/COLOR] That's too far of a spread to be accurate! If your H200 says 27.5° then the most on average under load you should see from your CPU should be around 36°. My H200 shows 27.5°C right now and ASUS Probe shows 31°C with an ambient room temp of 24.7°C. Also my VCore is set to 1.7 (see sign. below). GhostDog, I'd suggest re-seating your cpu cold block. You might have too much paste or the block isn't seated 100%. Others that had large temp. differences in the past found reseating the cold block and using the paste sparingly (just enough to cover the cpu - more is not always better!) helped bring their cpu temps down closer to the H200 displayed temp. Just my 2 cents worth.
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