Question about Compaq Pentium III, 366 MHz (400138-001) Processor Board

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Reviving the cpu

I have overclocked a pc and it didnt work.. i think... so i've try to reset my bios by pulling the battery CMOS out and thean reset my bios. but it still doesn't work ..... Please help me...

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The boards I have seen were overclocked by changing the CPU speeds or the voltages going to the CPU. Change the setting back. When you get into the BIOS setup screen(A lot of them you get into by pressing the delete key when starting up) look for the "Default settings" After clicking on them,save the settings. Thsi wil bring you back to the  Safest board setting according to the board maker. 

Posted on Feb 26, 2009

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I have overclock my pentuim e2160 form amercan megatrends bios and my pc won't work


>UNPLUG the power cord to the computer.
>Remove the CMOS battery.
>Find the reset jumper on the motherboard, move the pin to the left two contacts, wait 30 seconds, return it back to default position. If you don't know where the jumper is, check the manual that came with your computer or check the motherboard manufacture website for a schematic of the layout.
>Replace the CMOS battery.... make sure you have the polarity correct! If you reverse it the computer may not boot.
>Replug the power cable in and reboot.
If this does not work, you have damaged something on your computer and you need experienced hardware help.
NOTE: Not all CPU's can be overclocked. Some are locked, and this is typical with a standard retail computer purchased at a store. Overclocking is a good way to get additional speed, but you really must understand what you are doing. You cannot just enter the BIOS and move up the FSB rating, there is a lot more involved. You can burn out your CPU very quickly if you do not have additional cooling, or your power supply wattage is too low to supplyt he additional power required.

Jun 17, 2014 | Computers & Internet

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Overclocked my cpu and now the computer wont turn on how to i fix this


Well, I'd suggest going into the BIOS and resetting everything to default. You must always be cautious when overclocking. If you set it too high, you may fry the CPU and maybe the motherboard. If you cannot reset the BIOS because the computer just won't even turn on, I'd suggest taking out the CMOS battery for 30 seconds. There also is a jumper on the motherboard (check your "clear CMOS" directions in the documentation) to clear the memory. You should then be OK

Jun 05, 2012 | Gigabyte GA-8S661FXM-RZ Motherboard

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I cant overclock my system but i go to bios now whati had to do


The BIOS. Overclocking is best done in the computer's BIOS (Basic Input/Output System or Binary Integrated Operating System). There are also some motherboards that let you do a basic increase in power by setting a jumper, but this is dangerous and you have no real stability control.


There are some software programs available which allow you to overclock inside the operating system, but the best results are achieved by changing BIOS settings. Usually you can get into your BIOS by pressing DEL (some systems may use F2, F10, or Ctrl-Enter) as soon as your computer begins the POST

(Power On Self Test - when it shows the RAM size, processor speed, etc.).


Here, you can change your FSB (front side bus), memory timings, and your CPU multiplier (also referred to as CPU Clock Ratio).

Clearing your CMOS. Sometimes, an overclock can become unstable. If this happens, or your computer will not boot, you will need to reset the BIOS back to default and start over again.


This is done by clearing the CMOS (a small piece of memory on the motherboard which stores your BIOS configuration, and is powered by a small battery). Some newer motherboards will bypass user settings in the CMOS if the computer fails POST (often caused by a faulty overclock). However, most motherboards require a manual clear.


This can be done in two ways, depending on your motherboard. The first way is by changing the position of the clear CMOS jumper on your motherboard, waiting a few minutes, then repositioning the jumper to its original place.


The CMOS Jumper

The second way, if your motherboard doesn't have this jumper, consists of unplugging your computer, removing the little CMOS battery, then pressing the power button (your capacitors will discharge), and waiting a couple of minutes.


Then you have to refit the battery and plug in your computer. Once your CMOS is cleared, all BIOS settings are reset back to default and you'll have to start the overclocking process all over again. Just so you know, this step is only necessary if your overclock becomes unstable.


Locked or Unlocked. The first thing to know when you start the process of overclocking, is whether your processor is multiplier locked or unlocked.

To check whether your CPU is locked, lower your multiplier via the BIOS one step, for example from 11 to 10.5. Save and exit your BIOS and your computer will restart.


If your computer posts again and shows the new CPU speed, it means your CPU is unlocked. However, if your computer failed to post (screen remains black) or no CPU speed change is present, this means your multiplier is locked


Multiplier Unlocked Processors. Usually, your max overclock is limited by your memory, or RAM. A good starting place is to find the top memory bus speed in which your memory can handle while keeping it in sync with the FSB. To check this, lower your CPU multiplier some steps (from 11 to 9, for example) and increase your FSB a few notches (e.g.: 200 MHz to 205 MHz).


After this, save and exit your BIOS. There are a few ways to test for stability.

If you make it into Windows, that is a good start. You can try running a few CPU / RAM intensive programs to stress these components. Some good examples are SiSoft Sandra, Prime95, Orthos, 3DMark 2006 and Folding@Home.


You may also choose to run a program outside of Windows, such as Memtest. Load a copy of Memtest onto a bootable floppy, then insert the disk after you have exited the BIOS.

Continue to increase your FSB until Memtest starts reporting errors. When this happens, you can try to increase the voltage supplied to your memory.


Do note that increasing voltages may shorten the life span of your memory. Also, another option is to loosen the timings on the memory (more on this a bit later). The previous FSB setting before the error will be your max FSB. Your max FSB will fully depend on what memory you have installed. Quality, name-brand memory will work best for overclocking.


Now that you know your max FSB, you'll figure out your max multiplier. Keeping your FSB @ stock, you raise your multiplier one step at a time. Each time you restart, check for system stability. As mentioned above, one good way to do this is by running Prime95.


If it doesn't post (reread the section about clearing the CMOS), or Prime 95 fails, you can try to raise the core voltage a bit. Increasing it may or may not increase stability. On the other hand, the temperature will also be increased. If you are going to increase the core voltage, you should keep an eye on temperatures, at least for a few minutes.


Also note that increasing voltages may shorten the life span of your CPU, not to mention void your warranty. When your computer is no longer stable at a given multiplier setting, lower your multiplier one step and take that as your max multiplier.


Now that you have your max FSB speed and your max multiplier, you can play around and determine the best settings for your system. Do note that having a higher FSB overclock as opposed to a higher multiplier will have a greater impact on overall system performance.


http://www.pcadvisor.co.uk/news/index.cfm?newsid=107977


hope this helps

May 30, 2012 | Computers & Internet

1 Answer

I have overclocking my processor.....what should I do?


First remove the cover of the cpu remove cmos battery and switch on the computer then switch off and replace the battery it will reset the bios and the clocking will be normal if this doesnt work you will see a conctor near cmos battery with two pin inserted with an jumber remove the jumber conect the jumber to the next pin then restart the computer and switch off the nreplace jumber back to the position in some case the changing of the pin wont start the computer switch off and replace the jumber back to orginal position it will reset the overclocking

Aug 04, 2011 | Computers & Internet

1 Answer

No video mouse or keyboard but all power and leds are working


there are several problems to this case.

1. check the 24 pin power supply and be sure to plugin the 4 pin power supply just beside the cpu.

2.ram not placed correctly

3.Power supply inefficient.

4.BAD BIOS SETTINGS Try resetting bios i.e.., CLEAR CMOS or remove onboard battery, wait for a while and then place it again.

5.RAM is damaged

6. Highly overclocked cpu - resetting bios works

Check all the above to see whether your computer comes online.

6.

Apr 22, 2009 | ASUS P5GC-MX/1333 Motherboard

1 Answer

System fail due to cpu overclocking, voice message on reboot, after turning the adaptive overclocking feature on in the bios. I cannot clear cmos and get back into bios to turn it off again. I have tried...


Disconnect the power cable, press and hold the power button. Open the case, remove the cmos battery and short the cmos battery connectors (just touch both the metal tabs center and edge at the same time) with a screwdriver. Replace cmos battery, reconnect the power and power on. This should reset the BIOS to default settings.

Apr 01, 2009 | ASUS A8V Deluxe Motherboard

1 Answer

Still odd warning sound when starting the computer


Reset your CMOS...

If you don't have a Jumper to reset the CMOS, pull out your power cord, open the computer, and pull out the motherboard's battery leaving it out for about a day (Don't plug in the computer's power cord during this time period). About 24 hours later plug the computer's power cord back in and try a boot (Don't put the battery back in to your motherboard at this time).

If this problem persists check manuals to see if there is a method to reset the CMOS by moving a jumper. If there is not such a method available you might have to send the motherboard back to the manufacturer requesting the BIOS ROM chip be replaced. Depending on if you're still under warranty or not you might have to pay a small fee.

If at any time the boot is successful, enter the BIOS and save the default settings. Afterward shut down, pull out the power cord, and place your battery back in to the motherboard.

Hopefully you get it fixed.

Feb 02, 2009 | MSI K8N Neo4 Platinum PCI-E (NON SLI)...

1 Answer

Overclocked processor non-funtional now


You'll need to remove the battery for longer that 30 seconds. I say this as someone who did exactly what you did, with exactly the same result. I was also pretty sure I hadn't fried the CPU, but was baffled that CMOS reset wasn't working.

Give it an hour or two, or better yet, leave the battery out overnight. Turns out that the newest type ROM chips will hold a charge on their own for quite awhile, almost like capacitors. Let everything discharge, then when you restart, it will be with the factory defaults.

Cheers
Nick

Nov 19, 2008 | MSI KT4 Ultra (MS-6590-010) Motherboard

1 Answer

Can,t overclock after update bios(foxconn p4m800p7ma)


Try clearing the CMOS (CMOS reset)...and restoring defualt bios

May 08, 2008 | Foxconn P4M800P7MA-RS2 Motherboard

1 Answer

Overclocking failed


Hi, If you have overclocked: 1. CPU or motherboard not up to it - run at default speed; or 2. Memory - try using other memory; or 3. Video Card - see if you can run the Video card at default speed and not with overclock speed; or 4. You may need to up the CPU B+ a bit. If not overclocked: a. Set BIOS/CMOS to default settings; or b. Disable any overclocking feature (even if not used); or c. Lower you CAS latency. Hope this be of some help/idea. ood luck and kind regards.

Sep 01, 2007 | ASUS P5RD1-VM Motherboard

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