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Help me do one last upgrade before my LAN Party! :-)

X

Xtremist

Golden Member
Hey all,

I've got all the bugs and quirks in my system worked out now (as far as I can tell) and have swapped my 128MB PC100 with my 2x 128MB PC133 Mushkin GOOOO stuff, and there's only one more piece of hardware holding me back...

My Celeron 333!!!! Cha ching! Hehe. I KNOW my system would rock with a better CPU in there. I have a BH6 and just flashed to the SS BIOS so they say I can accept a P3 600. Now my only question is, which one!?!?! I went to pricewatch and there's like 4 different kinds. Two of them are 133MHz FSB so I know it's not though, but the other two kinda have me baffled... One has 256k cache, the other 512k... Now they cost the same, so what's the difference? And which one do I wanna get?

Also, as far as giving me the "get a Cely 566 and o/c the hell outta it!". I don't overclock my stuff. I want it running at 100MHz FSB with a 6.0 multiplier (I assume that'd be what 600MHz on my BH6 would be). If the 600 will o/c and I get bored one day, I might try it, but I am not an overclocker by nature... So if you could just help me out, that'd be great. Cheers!
 
Well, this looks to be a good place for it:
http://www.econopc.com/cpu/Intel/Pentium_III/FCPGA_OEM/Pentium_III_600Eoem.htm

I never heard about the 256k and 512k but the one here is simply a P3 600E, FC-PGA, 256k cache. I found the place thanks to the new SharkExtreme Weekly CPU Price guide at http://www.sharkyextreme.com/hardware/weekly_cpu/.

I don't know if you have a converter card for FC-PGA but they sell them there.

However, also at the same page they have a P3 600E Slot1 so you wouldn't need a converter card but I don't know if the Slot1's are good. It's only a couple dollars cheaper. Here's the link anyway: http://www.econopc.com/cpu/Intel/Pentium_III/OEM/Pentium_III_600Eoem.htm.

MY EDIT:The P3 600 that has 512k cache is the older one (not the Coppermine). It is not a P3 600E. So forgot that one! Heh, I just remembered that right after I clicked 'Submit'.
 
Don't buy the one with 512k. It is a katai p3, not coppermine. The older ones. I think that cache runs at (?) 1/2 speed while the 256k is on-die, full speed.

Are you sure your BH6 only supports up to 600MHz? Because I would recommend a cB0 700MHz if you want...but since you don't plan on overclocking (although I don't really see why NOT :Q)...Most of the 700E's with cB0 stepping have been hitting 933MHz+.

There's three kinds of p3's out there right now (not including the Xeon). The Katmai which is the old version p3, which you don't want. It's .25 I belive (?) instead of the coppermine's .18. You want a smaller die size. The other two are both Coppermine's. E and B signify which version they are. Ack, I can't remember what E means right now. 🙂 I think it means 256k on-die full speed L2? Anyway, "B" means it is 133MHz. So if you're not going to overclock and your stuff can handle it, maybe you should get the 133MHz one. That's just my opinion, of course...but if you might overclock later, I'd recommend the 100MHz "E".

I hope I didn't give any false information, my brain isn't working correctly...someone correct me if I'm wrong. :Q
 
To understand the various P3 types see:
http://forums.anandtech.com/messageview.cfm?catid=27&threadid=196333

Get an Intel Pentium III Coppermine from the cB0 stepping thats designed for the 100 MHz system bus and is in the FC-PGA (bare chip)format (plus a 'slotket' if required for a Slot 1 mobo. (See http://support.intel.com/support/processors/pentiumiii/ssalist.htm )

Don't get a Cele - get the fastest P3 @ 600E or better that suits your budget. Even the most overclocked Cele's will be lucky to perform on a par with a non-overclocked P3 600E in the real world in most cases. The Cele's have only half the L2 cache of the Coppermine (which is a critical difference) and have an anemic 66 MHz FSB - that's just reality. The Cele's are just cheaper, not better, whether overclocked or not. See the sad proof of this in the numerous charts at:http://www.anandtech.com/showdoc.html?i=1264

For some general advice you might want to look at this:http://forums.anandtech.com/messageview.cfm?catid=28&threadid=199398

P.S.
If you are really not going to overclock then you don't need to worry about the stepping - but still avoid the P3 Katmai's with the (ironically) larger 512KB cache - here smaller is better.

Check prices at:
http:// [url]http://www.pricewatch.com/ [/url]
or
http:// [url]http://ibuyer.net/ [/url]

Check vendors at:
http:// [url]http://www.resellerratings.com/ [/url]
 
Thanx for all the suggestions 🙂 I finally realized that the 512 v. 256 was the cache speed... And I'm pretty sure it can only support a P3 600 by default... I mean, that's what the BIOS thing said. It's actually not that big of a deal to me personally. The computer it's going into is my parents. I use a KA7/Athlon for my personal computer. So they'll think a 600MHz CPU is nice and that's fine by me 😉 Anyway, thanx everyone for all the info, I found it most helpful! Cheers!
 
Since the P3's (and celerons) are multiplier locked to the best of my knowledge the BIOS doesn't need to recognize the multiplier. I am still running the 1005 BIOS on my P3B-F and I noticed that Asus released the 1006 BIOS to support the 8.5 multiplier of the Celeron 566 I'm running. 🙂 I ran it just fine at 566 and I'm running it just fine at 875 all with out BIOS support for that multiplier. I just set the bus speed and the CPU determines its own multiplier.

I have heard this doesn't work on all motherboards so I would verify with someone who has done it on your mobo. I just don't want you to use the BIOS not supporting it as an excuse not to get faster. Cost is a much better reason.
 


<< I finally realized that the 512 v. 256 was the cache speed... >>



It's more than just the cache speed. The 512k one is the older Katmai and the 256k is the newer Coppermine. The Coppermine is .18 micron instead of .25 and runs much cooler (More stable!) Yes, since the cache on the Coppermine is on die it runs at the core speed.

Make sure to get a Coppermine.
 
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