ok when i built my own computer i bought a cheap mobo and i know i shouldnt have bought it but i did. people have told me that i cant overclock it but i just want some more people to tell me if i can or cant. the motherboards name is p4 m925 series or somethin like that. its really weird. but can i overclock with it? thanks for your responeses
Mobo question about overclocking
- Thread starter Fish250
- Start date
Your motherboard is a PC Chips M925 (LR) based on the VIA P4M266 chipset. :disgust:
I can say nothing about its overclocking capability. Just by looking at the board, it doesn't look like it's going to be a stellar overclocker. In any case, go have a look around in the BIOS for FSB or External Frequency or something like that.
I can say nothing about its overclocking capability. Just by looking at the board, it doesn't look like it's going to be a stellar overclocker. In any case, go have a look around in the BIOS for FSB or External Frequency or something like that.
ok what i found was CPU Brand/Type/core voltage/ratio/frequency and i also found this thing and it says "fans and voltage measurements"
that is the closes i found to what you said. i am not sure if i can turn them up or not. is that what i needed?
that is the closes i found to what you said. i am not sure if i can turn them up or not. is that what i needed?
i am looking in the manual and seeing what it says and it says intel, pent 4 but it says 800mhz and mines a 1.7ghz and so im not sure what the bottom 2 are
well, in my bois i go to the cpu pnp setup and it says
cpu brand intel
cpu type pentium 4
cpu speed 1.7ghz
cpu ratio selection
cpu frequency
well, in my bois i go to the cpu pnp setup and it says
cpu brand intel
cpu type pentium 4
cpu speed 1.7ghz
cpu ratio selection
cpu frequency
ill be back in about an hour and a halfbut tell me all the stuff i have to do to overclock it. thanks.
Your frequency should be 133 right now, right?
For the safest OC's (they're never really that safe) then you should up the frequency by say 10 and then restart the computer and use it. If everything is stable and runs fine, up it by another 10. Do this until it becomes unstable, then go back in and lower it by like 5. Adjust accordingly.
The less you up the frequency each time makes it just a little safer.
For the safest OC's (they're never really that safe) then you should up the frequency by say 10 and then restart the computer and use it. If everything is stable and runs fine, up it by another 10. Do this until it becomes unstable, then go back in and lower it by like 5. Adjust accordingly.
The less you up the frequency each time makes it just a little safer.
AndyHui, your a brave man. 
Anyway, first and foremost: Fish250, if you break your computer, YOU did it, not us.
Second: maybe you shouldn't be overclocking your cpu if your not very familiar with it.
But, since you asked:
You have an Intel P4 1.7 correct? These cpus all run at 400 MHz Quad-pumped, so it's front side bus (FSB) is 100 MHz, your cpu clock multiplier is 17, therefore you get 100*17=1700 MHz. Now, all Intel cpu's are clock locked, which means you can't change that 17 clock multiplier at all, so don't even try. The only way to overclock is the raise your front side bus speed. So, by doing as Kelvrick says, raising it up 10 would be 110*17=1870 MHz, an almost 200 MHz jump in speed, not too bad.
Also, check your cpu, if it's a Williamette, your not going to overclock it much, but if it's a Northwood, you will get better results. You can find this out by downloading and running something like SiSoftware Sandra benchmarking program, or may others out there. I would get Sandra because you can do a full complete benchmark of all the aspects of your computer, then another one after you overclock so you can get the results of your overclocking. Also, it has what's called a stress test in it, where you can run your system and 100% load for, say, and entire night, and if it doesn't lock up at your new overclock speed, you are good to go (and can probably go higher).
Another word of caution: FSB speed is tied in with your PCI and AGP speed, so you are also going to be effectively overclocking your video card and pci cards in the process. Most of the time this isn't a problem, but can be. There are a few motherboards out there that will allow you to change the FSB speed, and lock the AGP/PCI speed no matter what, and those motherboards would be the best overclockers.
Lastly, I have an ASUS P4B266 motherboard, which is normally a decent overclocker. However, the one I have was actually built for HP, and they essentially stripped ALL overclocking adjustments from it, so I'm stuck at the speed that I'm at. This may be the same case for you.
Don't get upset by my suggestion to just leave your computer alone, I have seen and worked on too many people's computers that have tried to overclock, only to end up buying a new cpu or motherboard. Yeah, they overclocked alright, right into a new system upgrade.
Come to think of it, that's a good way to convince the SO that it's time to upgrade.
Anyway, first and foremost: Fish250, if you break your computer, YOU did it, not us.
Second: maybe you shouldn't be overclocking your cpu if your not very familiar with it.
But, since you asked:
You have an Intel P4 1.7 correct? These cpus all run at 400 MHz Quad-pumped, so it's front side bus (FSB) is 100 MHz, your cpu clock multiplier is 17, therefore you get 100*17=1700 MHz. Now, all Intel cpu's are clock locked, which means you can't change that 17 clock multiplier at all, so don't even try. The only way to overclock is the raise your front side bus speed. So, by doing as Kelvrick says, raising it up 10 would be 110*17=1870 MHz, an almost 200 MHz jump in speed, not too bad.
Also, check your cpu, if it's a Williamette, your not going to overclock it much, but if it's a Northwood, you will get better results. You can find this out by downloading and running something like SiSoftware Sandra benchmarking program, or may others out there. I would get Sandra because you can do a full complete benchmark of all the aspects of your computer, then another one after you overclock so you can get the results of your overclocking. Also, it has what's called a stress test in it, where you can run your system and 100% load for, say, and entire night, and if it doesn't lock up at your new overclock speed, you are good to go (and can probably go higher).
Another word of caution: FSB speed is tied in with your PCI and AGP speed, so you are also going to be effectively overclocking your video card and pci cards in the process. Most of the time this isn't a problem, but can be. There are a few motherboards out there that will allow you to change the FSB speed, and lock the AGP/PCI speed no matter what, and those motherboards would be the best overclockers.
Lastly, I have an ASUS P4B266 motherboard, which is normally a decent overclocker. However, the one I have was actually built for HP, and they essentially stripped ALL overclocking adjustments from it, so I'm stuck at the speed that I'm at. This may be the same case for you.
Don't get upset by my suggestion to just leave your computer alone, I have seen and worked on too many people's computers that have tried to overclock, only to end up buying a new cpu or motherboard. Yeah, they overclocked alright, right into a new system upgrade.
Come to think of it, that's a good way to convince the SO that it's time to upgrade.
where would the front side bus be in my motherboard bios because i looked and i dont think i have a front side bus thing
You said before:
well, in my bois i go to the cpu pnp setup and it says
cpu brand intel
cpu type pentium 4
cpu speed 1.7ghz
cpu ratio selection
cpu frequency
The thing you are looking for is: cpu frequency.
i thought i was looking for front side bus and the cpu frequency thing i cant turn it up. i cant even highlight it. the only thing out of the things i named that i can move is the cpu ratio selection. how do i get it so i can change the cpu frequency?
i wondered when i was gonna see u in the cpu overclocking area.
Its a sad sad thing you had to fry ur bd7
About the overclock on that mobo though
if there is is a setting under the frequency setting for manual
you must select it. that will hopefully open up the fsb for modification
Also on what was already said u should check if you cpu is a wilmette or northwood to do this you should download a benchmarking program such as sandra. wcpuid can also check if its a northwood.
if you got sandra run a cpu benchmark and look on the results for l2 cach or something like it if it says 256kb u have a wilmette if it says 512kb u have a northwood. wilmettes are bad at overclocking northwoods are good at overclocking.
i dont realy feel like going into the whole oveclocking procedure so i will talk to you later.
Its a sad sad thing you had to fry ur bd7
About the overclock on that mobo though
if there is is a setting under the frequency setting for manual
you must select it. that will hopefully open up the fsb for modification
Also on what was already said u should check if you cpu is a wilmette or northwood to do this you should download a benchmarking program such as sandra. wcpuid can also check if its a northwood.
if you got sandra run a cpu benchmark and look on the results for l2 cach or something like it if it says 256kb u have a wilmette if it says 512kb u have a northwood. wilmettes are bad at overclocking northwoods are good at overclocking.
i dont realy feel like going into the whole oveclocking procedure so i will talk to you later.
Also redviffer, you say you have a p4b266 couldn't you regain the overclocking options on that board through a bios update?
if it is infact a p4b266 then all you should need is a bios update
or is the board modified on the hardware level not just software?
Mmmmmmm. tasty microwave burrito
if it is infact a p4b266 then all you should need is a bios update
or is the board modified on the hardware level not just software?
Mmmmmmm. tasty microwave burrito
ill bring my mobo manual to school tomorrow and we can look at it cuz i think my mobo is dumb and wont let me mess with it
Yeah, it's actually been modified on the board. It's actually a P4B266-LA and I couldn't even find any info at ASUS's site for the -LA, it's only described briefly on HP's site, and not any BIOS updates from HP. I may try a BIOS update from ASUS for the straight P4B266, but it's no biggie. I'm not really into overclocking that much anymore. I'm more into stability, and my comps run 24x7x365 (seti) so that is what is more important to me at this time. When my computer starts getting slow to me, I just build another one and my kids get a decent upgrade.
my mobo is actually wont let me overclock. i am selling my computer to someone(not going to be named) for 600 and i am building a new one and will be getting a abit mobo and a 1.9ghz pent 4 and will be getting it to 3.06ghz so yea good for me
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