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Thread: Overclocking Ready to Begin




  1. #11
    Join Date
    Feb 2003
    Posts
    90

    Default

    What software/hardware are you using to monitor the temp. of your CPU?

    I like to up the Vcore, but I think it's getting too hot.

    As a general rule, what do you change first, the Vcore or the FSB?
    ==| PC specs |==
    1. Intel Pentium 4 3.0C ghz
    2. Gigabyte 5900XT
    3. Gigabyte GA-8IPE1000 Pro
    4. Kingmax PC3200 DDR RAM (2 x 256mb on dual channel)
    5. Western Digital 80gb 7200rpm HD (8mb cache)

  2. #12
    Join Date
    Feb 2003
    Posts
    90

    Default

    Please provide us with more specs, especially the mobo you have. Here is the things you need to do:

    1. Up the RAM voltage by an extra 0.1 volts
    2. Make sure the PCI/AGP are locked, meaning at 33 and 66 mhz (from damaging any cards)
    3. Up the CPU voltage by an extra 0.1 to 0.2
    4. Finally change the FSB until the system is stable.

    Remember, overclocking does have it's risks.
    ==| PC specs |==
    1. Intel Pentium 4 3.0C ghz
    2. Gigabyte 5900XT
    3. Gigabyte GA-8IPE1000 Pro
    4. Kingmax PC3200 DDR RAM (2 x 256mb on dual channel)
    5. Western Digital 80gb 7200rpm HD (8mb cache)

  3. #13

    Default

    Actually I wouldn't up the vcore by 0.1v then to 0.2v ... I'd step up however little your bios allows you too... which on most p4 boards is 0.025v so for example, if your proc's vcore is 1.525 by default, and your running at 1.650 right now and having stability issues, up your vcore to 1.675 then do what you were doing again, if your still getting instabilities, try going up to 1.7v if your still having problems, i wouldn't go any higher then 1.725v (at least my own general purpose rule is not to go higher than 0.2v over default voltage on a p4). Granted, there are some cases ya know you can get it stable at say 1.750 or even 1.775 but if your okay with risking it... go right ahead and try any voltage ya like :D But like I say, I would recommend staying at or below 1.725 (and only at 1.725 if you need it)... But try 1.675 first, that may fix your prob.
    <font size=1>Pentium 4 2.53GHz @ 3.515GHz (FSB: 185; VCore: 1.725)</font>
    <font size=1><a href="http://www.thermaltake.com/products/heatsink/v7plus.htm">ThermalTake Volcano 7+</a></font>
    <font size=1><a href="http://www.albatron.com.tw/product/PX845PEV_800.asp">Albatron PX845PEV-800</a></font>
    <font size=1>512MB Samsung DDR333 @ DDR370</font>
    <font size=1><a href="http://www.ati.com/products/pc/radeon9700pro/">Radeon 9700 Pro 128MB</a></font>
    <font size=1><a href="http://www.adaptec.com/worldwide/product/proddetail.html?prodkey=ASC-29160">Adaptec 29160 Ultra160 SCSI Controller</a></font>
    <font size=1><a href="http://www.seagate.com/cda/products/discsales/marketing/detail/0,1081,321,00.html">Seagate ST373405LW 73GB U160 SCSI</a></font>
    <font size=1>Enermax EG465P-VE 450watt PSU</font>
    <font size=1>CPU Temp (100%): 39 C; HDD Temp (100%): 31 C (100%); Chipset Temp (100%): 32 C</font>

  4. #14
    Join Date
    Feb 2003
    Posts
    90

    Default

    At the moment my Vcore is @ 1.6V, and FSB=150, DIMM=2.6V, and AGP slot=1.6V.

    What settings would you recommend to get it to 2.8ghz?

    I really like to hit 3.06, but I think my DDR memory won't take it, plus I'm using a stock HSF.
    ==| PC specs |==
    1. Intel Pentium 4 3.0C ghz
    2. Gigabyte 5900XT
    3. Gigabyte GA-8IPE1000 Pro
    4. Kingmax PC3200 DDR RAM (2 x 256mb on dual channel)
    5. Western Digital 80gb 7200rpm HD (8mb cache)

  5. #15
    Join Date
    Feb 2003
    Posts
    5

    Default

    well.... i did an extensive search, and all i could come up with for a motherboard model is its a cognac. i cant say ive ever heard of it... anyway, my pc's model # is pavilion 7840 if that helps. also, from what i've read, the FSB is only 66mhz. i read that 66mhz will limit the choices for a different processor, but will i be able to overclock it? as for telling me to "lock the agp/pci to 33...." you might as well be talking to a def person. i am a completel noob to this, meaning i have no knowlege whatsoever on this topic. i dont have an agp slot (cheap a$$ mobo), so i guess i dont need to do that part of it...

    i realize overclocking is somewhat risky, but were talking about a $40 chip here... besides, i think 800mhz would be sufficient... do you think i'd notice a 33mhz increase?

    btw, the reason i want to do this is games. i can live with it as is for other things. my gfx card is a jaton geforce 4 440mx pci (took me forever to find that).could that be overclocked to get any extra juice from my pathetic box?

    hmm... i gotta get a job so i can get a decent pc...

  6. #16
    Join Date
    Nov 2001
    Location
    New England Highlands, Australia
    Posts
    21,907

    Default

    Don't waste ya time or effort on it as it just ain't worth it. :(

    Start plannin' on something better would be for the best. :devil win


  7. #17
    Join Date
    Feb 2003
    Posts
    5

    Default

    you know what? i was thinking the same thing. a friend from another forum reccomended this site, and when i got here i saw this thread and thought it'd be nice to have a few more mhz... but after i started looking into it i realized that this was probably above me.

    so thanx anyways, i think i'll just get a job and build my own system.

  8. #18

    Default

    Quote Originally Posted by johnlui
    At the moment my Vcore is @ 1.6V, and FSB=150, DIMM=2.6V, and AGP slot=1.6V.

    What settings would you recommend to get it to 2.8ghz?

    I really like to hit 3.06, but I think my DDR memory won't take it, plus I'm using a stock HSF.
    If you are locking your agp/pci freq in your bios, you don't need to up the voltage on the agp slot (your just making your machine use more power for nothing :D) ... As far as the ram goes, if your positive your ram won't take the extra speed (up the voltage to 2.7 and give that a try if your sure that it's the ram causing the issue), but if it won't go as high as ye want it too... 156x2.5 = 390mhz ... You can try setting your ddr multiplier down from 2.5 to 2.0 if your bios supports it, that'd mean your ram would be running at 312mhz (21mhz under it's rated speed) so you could then drop the voltage back down to 2.5v .. I'm not familiar with the company that makes your ram so i can't say how well it'll overclock... My samsung ram oc's to 438mhz, it's pc2700 as well, and i have my ddr voltage set at 2.7v.

    As far as your CPU goes, up your voltage to 1.625 and try and get 156mhz fsb outta it, if it's unstable or just won't boot, up it to 1.65 and try again, etc etc (just don't go over 1.725 unless your sure about what your doing :) (again this is only my personal belief on p4 voltage "safe" limits (yes yes call me a hypocrit running mine at 1.775v)))... Anyway, be sure to lock your agp/pci bus frequencies, up your voltage on your cpu and your ram (if your ram is causing you problems)... a 400mhz overclock on a 2.4 should be easy pickings even with decent cooling. However, trying to get 660mhz more outta your 2.4ghz proc (going to 3.06) might be possible if you have good cooling, and aren't afraid to raise voltage levels higher, but I wouldn't try it until your sure that when you do successfully overclock your 2.8 and find the right settings, you've tested them to make sure the system is stable, and that you have room to manuever to go higher in speed. (Eg., don't just hit 2.8 and then try for 3.06 if you want to make sure you'll be able to run stable at that speed... 2.8 might not be stable but reachable, as may 3.06... myself, my proc peaks out at 1.85v, 3.458ghz (ddr at 364 (182x2.0 (she wouldn't post at 182x2.5)) 2.6v)..

    Anyway give it a try and lemme know how it goes :)
    <font size=1>Pentium 4 2.53GHz @ 3.515GHz (FSB: 185; VCore: 1.725)</font>
    <font size=1><a href="http://www.thermaltake.com/products/heatsink/v7plus.htm">ThermalTake Volcano 7+</a></font>
    <font size=1><a href="http://www.albatron.com.tw/product/PX845PEV_800.asp">Albatron PX845PEV-800</a></font>
    <font size=1>512MB Samsung DDR333 @ DDR370</font>
    <font size=1><a href="http://www.ati.com/products/pc/radeon9700pro/">Radeon 9700 Pro 128MB</a></font>
    <font size=1><a href="http://www.adaptec.com/worldwide/product/proddetail.html?prodkey=ASC-29160">Adaptec 29160 Ultra160 SCSI Controller</a></font>
    <font size=1><a href="http://www.seagate.com/cda/products/discsales/marketing/detail/0,1081,321,00.html">Seagate ST373405LW 73GB U160 SCSI</a></font>
    <font size=1>Enermax EG465P-VE 450watt PSU</font>
    <font size=1>CPU Temp (100%): 39 C; HDD Temp (100%): 31 C (100%); Chipset Temp (100%): 32 C</font>

  9. #19
    Join Date
    Feb 2003
    Posts
    90

    Default

    Thanks for your reply and help. I've tried upping the Vcore by increments of 0.025. At 2.8ghz @ Vcore=1.65..., it runs ok for a while, and then I start getting error messages in WinXP. Saying something about explorer.exe failing. The worst thing that happened was the machine rebooting when playing Need for Speed.

    As soon as I put it back to it's default speed, it runs ok. Very strange.

    Which program do you use to give the CPU 100% loading (stress test)? Also, what programs do you use to monitor your CPU, and system temperature?
    ==| PC specs |==
    1. Intel Pentium 4 3.0C ghz
    2. Gigabyte 5900XT
    3. Gigabyte GA-8IPE1000 Pro
    4. Kingmax PC3200 DDR RAM (2 x 256mb on dual channel)
    5. Western Digital 80gb 7200rpm HD (8mb cache)

  10. #20

    Default

    Up your vcore to 1.675 then :) ... the whole point of upping your vcore is to add stability. (eg., my machine will boot into winxp from 2.53ghz oc'd to 2.755ghz but after a while I get random errors, sometimes locks up, etc... But if I up my voltage to 1.575 it's stable. So I'd say up your voltage some more and keep trying. 1.676 should do ya good... To test your stability, run benchmark programs, and cpu burn in programs (you can find many cpu burn in programs by searching for 'em in google) and then use benchmarks like 3dmark2003, pcmark, etc, they all put a relatively heavy load on all your key components (ram, video card, cpu).

    As for software to monitor, hmonitor is one I can think of off the top of my head, but if ya got a few bucks kicking around, buy a monitor that sits in your 5 1/2" drive bay... little bit more accurate temp wise than your software :)
    <font size=1>Pentium 4 2.53GHz @ 3.515GHz (FSB: 185; VCore: 1.725)</font>
    <font size=1><a href="http://www.thermaltake.com/products/heatsink/v7plus.htm">ThermalTake Volcano 7+</a></font>
    <font size=1><a href="http://www.albatron.com.tw/product/PX845PEV_800.asp">Albatron PX845PEV-800</a></font>
    <font size=1>512MB Samsung DDR333 @ DDR370</font>
    <font size=1><a href="http://www.ati.com/products/pc/radeon9700pro/">Radeon 9700 Pro 128MB</a></font>
    <font size=1><a href="http://www.adaptec.com/worldwide/product/proddetail.html?prodkey=ASC-29160">Adaptec 29160 Ultra160 SCSI Controller</a></font>
    <font size=1><a href="http://www.seagate.com/cda/products/discsales/marketing/detail/0,1081,321,00.html">Seagate ST373405LW 73GB U160 SCSI</a></font>
    <font size=1>Enermax EG465P-VE 450watt PSU</font>
    <font size=1>CPU Temp (100%): 39 C; HDD Temp (100%): 31 C (100%); Chipset Temp (100%): 32 C</font>

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