Fastest PIII my Compaq Presario 5BW250 can use.

[radman3d2]

The subject line about says it all. I would like to replace my 700MHz Celeron with a PIII. The chipset is the intel 810.

[hoodedrat]

i dont think you can do that, the celerons are slot a processors while the p3's are not, I may be wrong, but I dont think thats going to work

[gibsinep]

It would help to tell us the motherboard. Also you probably just couldnt buy the CPU, you would probably have to get it through compaq as they are very proprietory(sp) and a normal part may not work in it.

The Intel 810 chipset works for Celeron® and Intel® Pentium® III processors based on .13 micron or .18 micron process technology. So it can be done, if the motheroard supports it. However without knowing your motherboard I can tell you what it can/can't support.

[Midknyte]

Well, you sure couldn't use a tualatin chip on that. The best you could hope for is a p3 coppermine 1G or 1.1G.

[gibsinep]

I got that linet one straight from the intel site. yeah, not the newer celeron mabey not even the newer p3. I cant tell without his board.

[Midknyte]

According to this link, you should be able to run a P2 1G:

ftp://ftp.compaq.com/pub/supportinformation/techpubs/qrg/presario5bw_rev2_us.pdf

just gotta compare which board you have to the board of higher models, like a 5BW360. :D

[TiGgErDbC]

p2 1 gig..... intresting...

heheh anyways :), umm i ahev a compac 5100 with a 900 duron... and well i got a 850 t-bird i was goig to put in.... can't, the mobo doesn't reconize it i'm assumung its cause you ahev to go trew com[paq :S

[gibsinep]

TiGgErDbC- Yes that is probably it. thats why you dont buy from places like them dell, gateway, compaq ect.

[radman3d2]

Thanks for the link Midknyte, it looks like the motherboard will take up to a 933Mhz PIII @ 133MHz. This would be a great upgrade over the slow Celeron using the 66MHz FSB.

[gibsinep]

hmm, Actually I didnt think the intel 810 supported a 133 bus. I thought it was just the 66 and 100.

[Midknyte]

That sounds right. I was thinking you could use a 1G 100x10.

Make sure to check the model number of the motherboard. it should be on a sticker right by the parallel ports, but it might be somewhere else.

[radman3d2]

Intel says the 810 will support the 133MHz FSB Intel 810E Chipset (http://www.intel.com/design/chipsets/810/810e.htm?iid=ipp_browse+chpsts_810edsk&) . So the real question is did Compaq implement all the features of the chipset? It would be great to drop a 1GB PIII @ 133MHz FSB, but evan a 1GB PIII @ 100MHz FSB would be good too. Using the 100MHz FSB I could reuse my ram otherwise I would need to upgrade to PC133.

[Midknyte]

Ah. Ok.

Good Luck!:D

[radman3d2]

Will...it looks like it dosn't support the 133MHz FSB as per Anandtech (http://www.anandtech.com/showdoc.html?i=952) . Midknyte so you think it might take a 1GHz? The Celoron is 10.5 times 66.66MHz. So will the MB go to at least 10.5x?

[gibsinep]

Yes I was correct, I did a bit of searching on the net and everywhere I went it only mentioned the 66/100mhz bus

[Midknyte]

The multiplier is in the cpu, not the motherboard. If there are other models in that series that support a 1G, then yours might too. You might need to update the bios or something.

I would check with compaq tech support first before you go out and buy a cpu. You can even quote from the Quick reference guide (the link i posted earlier).