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Can I pull the cpu out of a pesario 1600
notebook? I think the cpu is fried so I want to
know if I could replace it with another P-III
processor like the one it had.
Check the motherboard isn't fried. Might be an expensive way of testing it, putting a new chip in! STRIKE 2!
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If the notebook takes an mPGA (also called a uPGA) type processor they are normally very easy to replace. I've done it twice on Gateways (swapped out a 500mhz Celeron for a 600mhx PIII and on the other installed a PIII 750). These types of CPUs go into a ZIF socket underneath the heatsink. They look like tiny versions of desktop socket type cpus. The other common package is MMC or MMC-2 and you can replace these as well but it takes a little more work and they are about 2X more expensive than the PGAs per mhz. These are weird looking and come in circuit boards. You can find them on Ebay. The real trick is knowing exactly which type of cpu the laptop takes and then getting the right one, also you need to know the maximum cpu speed the chipset can handle if you intend to upgrade. With PGAs beware of getting a BGA instead, won't work.
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Forgot to mention that if the mobo uses a PGA-2 a PGA-1 won't work though it looks very similar. I used to know how to distinguish these on sight by the "notches" of missings pins in the pin array. The PGA-1 had 4 notches and the PGA-2 had 2, or it may be the other way around (can't remember). I paid 75$ on Ebay for a PGA-2 750mhz PIII cpu and around $50 for 600mhz. Very affordable in that package.
I found a company selling parts on the web and it does appear the 1600 takes a PGA type cpu and since it's a PIII it's almost certainly a PGA-2. This place is selling a 600mhz for around $300 which is laughable. You should be able to get one off Ebay in that mhz for around 50-60 dollars, maybe less. Understand I'm around 85% certain of the processor type so you probably should try to confirm this if you're serious about replacing it.
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Do an ebay search for "pga2". some examples from ebay:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2049013142
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2049177751
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2049177742
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Depending on which 1600 compaq this is, there are a few different CPUs these took.
Most took standard desktop socket 370 CPUs.
Is this a 1600XL? or a 1600T?
Joe
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This is a 1600T notebook and the cpu is about the size of a socket 7 cpu. All I need to know now is how to take the stupid thing out and put another P-III or even a celery.
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Unlike desktops the PGA socket on a laptop doesn't have a lever, it should have a "screw" that you turn one way to losen the socket so you can slip the cpu in, then turn the other way to tight it. With a ZIF socket there's really nothing to it. If it's a PGA-2 socket you can use a celeron instead of a PIII so long as the celeron is a PGA-2 type. Like I said before though, I'd try to verify first that it is in fact a PGA-2.
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How do I now what socket it is, i'm sorry for asking but I have never worked on a laptop before and this is kind of a learning expierence.
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Visit the links I put down above and see how closely the small pictures of the cpus resemble your own. If it looks very similar it's probably a PGA-2 (I don't believe PIII's come in PGA-1 packages). You can verify whether it is a BGA or not but youll need to remove the processor to see the underlying pins. A BGA (Ball Grid Array) will not have gold pins but tiny gold "balls", they'll be rounded off. With a PGA they'll be pointy like pins. It may even say on the top of the cpu whether it's a pga type in small print. If you remove the cpu make sure you wear a grounding wrist strap before you touch it. The only way to know for sure is to call Compaq. Otherwise you'll have to gamble a little on Ebay.
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 temperature range for the...
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Temperature monitoring
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