Pentium III 700 or.....

[urchinismemphis]

im thinking about purchusing a pentium 3 700, im upgrading from a p2 450, my mobo supports up to a celeron 500 and p3 700, anyone know the overclockability of the 700 or does anyone think i should go with a different processor?

[Pearson]

If you are getting an intel cpu for overclocking get a 600e or 700e these have a 100mhz fsb what m/b do you have?

[krusty the klown]

celeron2!!!!!

A bargain and a veritable overclocking bonanza http://sysopt.earthweb.com/forum/smile.gif

[Roy]

Check my findings in "Intel's Little Secret" somewhere here.

Buy the fastest PIII-XXX/100 you can afford.

[urchinismemphis]

i have a Matsonic MS7112c Rev. 2, it has the Via Apollo Pro 133 chipset, and if it is the 133 why should i get a processor with a 100 Mhz fsb? please explain, thanks alot

[urchinismemphis]

i have a Matsonic MS7112c Rev. 2, it has the Via Apollo Pro 133 chipset, and if it is the 133 why should i get a processor with a 100 Mhz fsb? please explain, thanks alot

[krusty the klown]

If you want to overclock, go for the 100MHz FSB flavour (if you're sticking with the P3, that is). If you're not OCing, go for the 133 'cos you'll get the benefits of the faster bus speed.

The P3s and celerys are multiplier-locked, so the 133MHz flavours give far less headroom for OCing than the 100MHz ones.

Say you buy a P3 650E (6.5*100) and ran it at 133MHz FSB, the chip would run @ 865MHz.

If you bought a 666EB (5*133), to get it up to the 850MHz mark, you would need a 170MHz FSB. Ain't gonna happen!

You cannot change the multiplier (unless you have an unlocked engineering sample) on these chips. It does not matter what the mobo tells you from e.g. SoftMenu - the chip will ignore it! The only way to OC and off-the-shelf P3/celery is to increase the FSB.

BTW: dunno if they made a P3 666EB, I was just proving as point http://sysopt.earthweb.com/forum/smile.gif

EDIT: I still reckon you should go for a celeron2 and save the bux http://sysopt.earthweb.com/forum/wink.gif

[This message has been edited by krusty the klown (edited 06-09-2000).]

[jl123]

They did make a 667EB. I'm pretty sure it was a EB meaning Coppermine with 133Mhz fsb.

~Joel(jl123)

[urchinismemphis]

thanks alot for helping but if i have pc100 ram i wont be able to put the fsb to 133 right? and how do i know which are celerons and which are celeron 2's? the ones over 500 Mhz are all 2'? sorry for the stupid question, thanx though

[krusty the klown]

There is an 'old' 533MHz celeron available (well, still available in the UK)

All celerons over 566MHz (inclusive) are the new 0.18 micron gems!

Be careful - I think there is a cel2 533 - so there is only one chip where you may get cought out!

EDIT: some VIA boards let you clock your FSB @ 133 and your memory @ 100 - a bit of research required http://sysopt.earthweb.com/forum/smile.gif

[This message has been edited by krusty the klown (edited 06-09-2000).]

[akaBruno]

Most RAM will push some. It may very well be rated at 125, use a program like Sandra or something to check it.

Also,if I'm not mistaken, your mobo has settings that allow you to set the fsb at 150 while you run the RAM at 112. It would be like 150 minus 38, or something like that w/ variations. You can also reset your divider to 1/4 if your pci bus or drives give you a problem, pushing that high.

Good luck and good clockin,

Bruno

[This message has been edited by akaBruno (edited 06-09-2000).]

[akaBruno]

The settings that I was talking about are jumpered on the board itself. The bios has settings but they're different. This was on an older asus board w/ the pro133 chipset, not the pro133A.
Check your manual and the manufacturers site.

[urchinismemphis]

as far as i know my bios will only let me go to 133, if i upgrade the bios will i be able togo to 150? well i dont even know how to flash my bios ive never done it before, haha, i know im done, can anyone tell me how to do it?

[jl123]

Yeah i'd like to hear how to do it too. Does it work for mobos without softmenu?? Would it help in this mobos with jumpers? I don't think so. But if i ever get a mobo with softmenu i'd like to know how flash the bios.

~Joel

[krusty the klown]

Joel,

To flash your BIOS, you first need to VERY CAREFULLY obtain the correct program from your mobo manufacturers site. I flashed the BIOS on a non-softmenu mobo - I don't reckon the procedure is soft menu specific. (the site will have more details). On my old mobo, I needed to boot to 'safe mode command prompt only' (i.e. DOS with no drivers loaded), run awardflash.exe (from mobo's site), then have available the updated BIOS file (like on a floppy). No *****, this was for an award BIOS http://sysopt.earthweb.com/forum/wink.gif It was a straight4ward procedure, in my case - the instructions were self-explanatory and gave you the option of quitting. IMO, the most important thing is to make 100% sure you get the correct file to flash... otherwise ur in it up to the neck without a shovel!

[urchinismemphis]

i flashed my bios and i noticed a few differences. thanx

[urchinismemphis]

quick question, i have a pentium 2 450@504, i cant get it any higher then that, but i have the bus speed at 112, and im using pc100 ram, am i gunna damage my ram by doing this?

[Roy]

My PII-450 did 527 @ 117. I was using premium PC-100 SDRAM that was good beyond 125.

You won't damage the RAM by trying a higher speed, if it doesn't like it, the system will freeze. Of course, that also could be caused by the PII.

That same RAM limited my PIII-650/100 to 819 @ 126. I upgraded the RAM and the system is happy at 6.5x144=939.

My previous note remains my best suggestion. I just ordered a PIII-850/100 to see what real speed is like. http://sysopt.earthweb.com/forum/wink.gif

[urchinismemphis]

im going to a buy either a cel2 566 or 600, which one should i go with and what speeds do you think i can get with my motherboard (matsonic ms7112c via apollo 133) and, i have pc100 ram , and what is the best cooling for it under $30, thanks

[urchinismemphis]

oh yea, will i need a converter to run the new cely's on my motherboard? its the matsonic ms7112c if you didnt see above.it has a slot 1 and a Socket370 , and i just updated the bios, will it work?

[krusty the klown]

You should be able to find that info on your mobo manufacturer's website (CPU support, FSB's etc). This is the best place to look, as there are often subtle revisions, etc. that may even be different from your mobo's original instructions.

As the celery is multiplier-locked, the speed you can go to will be determined by the chip itself (its physical limitations) and by the FSBs available on your mobo.

Check out this thread to see some reasons for going for the higher or the lower speed chip:
http://sysopt.earthweb.com/forum/Forum3/HTML/007010.html

Remember that there are two celerons produced at 533MHz - the 0.25micron and the 0.18. The 0.18 is the overclocker's delight, as are all celerys over 533MHz (as they are all 0.18's).

[Roy]

The CPU Database at www.overclockers.com/ (http://www.overclockers.com/) might be helpful for your decision.