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Installed and overclocked my new P3-S 1.26!!

W

Wiz

Diamond Member
This Thread in D/C tells all about it.

For those who just want the goods here...

P3-S 1.26ghz w 512K cache in an ASUS CUSL2-C running the 1014c bios

I found a better / less expensive Tualatin - socket 370 adapter HERE that also solved the problem I had on this board when I snapped off the little lugs for mounting heatsinks. THis adapter comes with it's own socket - new lugs to mount the heatsink! And I didn't break them this time!!!
BTW, if you get this adapter - don't trust the instructions. I first set it up with the jumpers for the intel chipset - no boot. CHanged it to the settings for the Via chipset, then it worked like a charm. These guys also have many other good deals, I ordered stuff on Friday and it showed up in the post office priority shipped on Monday. Everything I ordered came just as advertised.

So - here is the scoop:

It runs like a dream at 155 FSB, CAS 2-2-2 & 5/7 timings, for 1.472Ghz
Sandra says it beats a P4 2ghz on the cpu benchmark.
Seti times beat out my AMD XP1800+ by a few minutes / WU 😀😀😀

The cool part is this was an easy upgrade, no OS reinstall, everything works just as before only much faster! Oh - and I can sell the P3 700e @ 933 to defray the cost of the upgrade & I bought the new cpu here on the Anand FS forum so I didn't even have to pay full price 😀
 
Do you have any pics of benchmarks?
I would like to see a P3 beat a P4 😀
Sounds like you have a sweet system there 🙂
nice upgrade
 
It runs like a dream at 155 FSB, CAS 2-2-2 & 5/7 timings, for 1.472Ghz
Click to expand...
As far as I know, all xUSL2 boards have a bug where the cas timings go to slowest and AGP goes to 2X @ 140 and above FSB. There is a hacked bios available from X86-secret.com that fixes it.
I would like to see a P3 beat a P4 😀
Click to expand...
A PIII @ ~ 1.5 GHz (or Tually Celeron) will bench higher in Sandra CPU than a P4 2 GHz.
 
I had the 1014c bios installed, but just in case it also has the bug I just installed the tweaked 1012c.
 
Oldfart - what a mistake that was 🙁

I went from a perfectly stable system running really well to BSOD's including "Inaccessable Boot Device" and others.

What a royal PITA!!! :|

Reflashed to 1014c and pure golden stability came right back 😀 😀 😀

Guess the tweaked bios isn't for everybody!
 
Originally posted by: Wiz
Oldfart - what a mistake that was 🙁

I went from a perfectly stable system running really well to BSOD's including "Inaccessable Boot Device" and others.

What a royal PITA!!! :|

Reflashed to 1014c and pure golden stability came right back 😀 😀 😀

Guess the tweaked bios isn't for everybody!
Click to expand...
Hmm. I used several versions of it with no problems. It solved the lockup caused by the AGP2X and improved my scores. Maybe it is a problem when running a Tually conversion? What ram timings did you use? 2-2-2 5,7 may not be actually possible @ 155 FSB (likely not). Remember, the normal bios slows all of them down. CPUz should be able to tell you actual mem timings and AGP rate.
 
THanks, I got it.

Yes, it says my Tras/Trc is at 7/9 not 5/7 like I set it in bios.
Also I saw in Sandra it says my AGP is 2X, not 4X like it says in bios.
 
Wiz - Welcome to PIII-S World. What a great CPU, huh? I'm running two PIII-S 1.4Ghz's as we speak. It's a hidden Gem in CPU-land. Mine kick some serious butt even at 133FSB, I wish I had the RAM to be able to OC to 150+ FSB. What RAM are you using?
 
Originally posted by: Wiz
THanks, I got it.

Yes, it says my Tras/Trc is at 7/9 not 5/7 like I set it in bios.
Also I saw in Sandra it says my AGP is 2X, not 4X like it says in bios.
Click to expand...
That is the bug. Since you are running 155 FSB, you probably can't run 2-2-2 5,7 anyway unless you have some very good ram. In my case, the inability to run any 3D apps on my GF3 made it a must for me to use the hacked BIOS. If this is not a probem for you, the regular BIOS will do.
 
Oldfart, yeah that's what I thought. I may load the hacked bios and try to get one of the other advantages but leave Tras/Trc at 7t/9t for stability.

CPUz tells me it's running CAS 2-2-2 so that's a plus 😀

RalfHutter, I just don't remember what the ram is. I know it was advertised as 256 meg CAS2 PC133. Obviously I'm pretty happy with it.
I think the last time I removed it I saw a Crucial sticker. CPUz identifies it as Ti ram.

In case anybody wants to know, my Seti times with this rig range between 3hrs 5mins up to 3 hrs 42mins.
This beats my AMD XP1800+ by about 9 minutes per WU. 😀
 
Wow, this sounds like an awesome upgrade! Can you feel the difference? I too have a p3 700 but its overclocked to 1000 on an Asus Cusl2. How much did this upgrade cost? I'm interested =)
 
Wow, this sounds like an awesome upgrade! Can you feel the difference? I too have a p3 700 but its overclocked to 1000 on an Asus Cusl2. How much did this upgrade cost? I'm interested =)
Click to expand...

Just to make sure you know, PIII Tualatin CPUS' with the 512k cache (S version) are NOT cheap. Newegg has the 1.26ghz for around $160-170. You can probably get an OEM off Ebay for around $100-120 (that's where I got two of them but they were even cheaper😉)
The 1.4ghz ones are more than $200 retail. Pound for pound (er, I mean clock for clock), they are more powerful than P4's.
 
You can find them on AnandTech FS forum if you search, that's where I bought mine. Not a lot of them, but watch and they do come up 😉

I paid about $16 for the adapter and $100 for the cpu. I sold my P3 700e for $50.
This is part of a larger upgrade, here is the whole deal so far.

Sold (or selling)
P3 700e - $50
P3 1000 Slot 1 SECC2 100fsb w/ P3125 dual fan alpha cooler (maybe $150?)

Bought & installed
P3 1.26 512k: $100
adapter: $16
Celeron: 1.1A $40
adapter: $20

Total spent: $176
Total hopefully sold: $200 (maybe - if I'm lucky)
 
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