Some information & question on laptop CPU upgrade

[gulliver]

I've been looking at CPU upgrade recently.
I'm expecting some warm-hearts here will help me or
some peoples who want to do similiar thing will
exchange ideas and info with me.

My old laptop is 12xl300 with a celeron 600 cpu,and I plan to
upgrade it to a P3 CPU.
I found some useful information on this newsgroup:
http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&selm=h9ue9.413258%24q53.14318481%40twister.austin.rr.com

http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&threadm=3E67272A.CB6FAC52%40valint.net&rnum=1&prev=/groups%3Fq%3D12xl300%2Bcpu%2Bupgrade%26hl%3Den%26lr%3D%26ie%3DUTF-8%26selm%3D3E67272A.CB6FAC52%2540valint.net%26rnum%3D1

It sais"Surprised me to see a laptop with the
same Socket 370 CPU ZIF socket as desktops use! This is a "flip chip"
Celeron in it now."

Also "I have a 12XL3 that I successfully changed to a P3 1.1 Ghz, the
chipset
will recognize the processor and change the FSB. Obtain a processor
that is
in a FC-PPGA package NOT the FC-PPGA2 (there is a clearance problem
with the heat spreader. Be sure to clean all of the thermal tape from
the
heat spreader with a solvent that leaves no residue (acetone is good),
use a good thermal compound and follow the directions."

So does this mean a normal desktop CPU will work in this laptop?

And here:
"You couldn't install a 1.2 GHz anyway. Those are Tualatin processors.
1.1GHz
is tops. The Board will autoselect the correct bus speed.
No, the Compaq BIOS must be used. FYI, I have that laptop, too."
So which kinds of CPU qualifies?Except none Tualatin and < 1.1GHz?

One last question,I search price on net and found the 100MHz P3 CPUs
are much
more expensive than 133MHz P3 CPUs.Look weird to me.Why is that and
which one should I go for?

Thanks!

Gulliver

[bska...@gmail.com]

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