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Tecra A4 cpu swap - easy??

post #1 of 7
Thread Starter 
Hi,

well, this is interesting. Got my bargain basement Tecra A4 on Friday (£500 for the lowest spec version - celeron M 1.5 GHz). It runs fine (since I put another gig of RAM in anyway!), but after taking the bottom flaps off I realised that the really oddly shaped one on the left hand side reveals...the cpu!

Now, its simply a plate for a HSF over the socket, with a heatpipe that leads to the actual heatsink. What I don't see is how having the slot there helps replace the cpu as surely the heatpipe is soldered/welded to the heatsink and the heatplate (what else do you call the thing that is on the cpu?)...I don't want to start undoing the plate if its not gonna do me any good, but logic tells me that it must be possible to move the heatplate off the cpu without opening up the whole laptop...else why would the panel be there in the first place?

Has anyone else done a cpu upgrade on their Tecra A4? I'm not planning on doing it now anyway (give the thing time to see if its gonna need a warranty repair!), but bumping it from a celery 1.5 to a PM 2.13 in a few months sounds like a fantastic idea to me...when prices come down a bit.

To be honest I could upgrade to a 1.73 GHz PM right now and it'd be cheaper than buying that spec straight out...who knows...

Anyway, I tried googling with no joy...any ideas?

Oh on the whole the laptop is very nice, solid keyboard, well finished etc...nice screen, no dead pixels and all that

Thanks!
post #2 of 7
Thread Starter 
Hmm nobody monkeying with their A4s yet then...oh well, looks like I'll have to have a play...will report back if I find anything interesting
post #3 of 7
I believe you will not be able to go Pentium, the chipset will not support it... the most you could do is go with a Cel-M 1.7, maybe 1.8 in Q4.
post #4 of 7
Thread Starter 
Why do you say that? There are A5s with up to 2.13 already? Bios locking?
post #5 of 7
CHIPSET IS DIFFERENT FROM BIOS.... completely seperate things.

i'll 2x check tomorrow....
post #6 of 7
Thread Starter 
Hmm why would the chipset be different in a line....its still got a PCI Express graphics card, surely it would be folly to build using a different chipset....its a whatever Sonoma PM (rather than GM, I mean)...or at least thats what I currently believe! And I didn't realise there were variations on that theme...
post #7 of 7
According to the A4 specs from Toshiba the chipset they use depends on the config. According to intel, the 915GM chipset has the integrated GMA900 gpu while the 915PM does not and both have the PCI express for dedicated (see here: http://indigo.intel.com/compare_cpu/...&culture=en-US). Also, according to that chart, both chipsets can use celeron and PM processors, so I think it could work.

But then YP5 tends to have access to more info than I do so I'd place my bets on what he says.
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