Upgrade A20 cpu

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makaveli559m · #1 Post by **makaveli559m** » Sun May 21, 2006 4:16 pm

I was wondering if I can upgrade my 700mhz cpu to 900mhz, I want it so I can be able to install Vista without buying a brand new laptop.

Website · #2 Post by **tfflivemb2** » Sun May 21, 2006 7:20 pm

Yes, the A20, same as the T20, can take up to a 1GHz cpu.

makaveli559m · #3 Post by **makaveli559m** » Tue May 23, 2006 12:24 am

How sure are you that you can do that? Before I buy a CPU

vital-analitix · #4 Post by **vital-analitix** » Fri May 26, 2006 7:41 pm

In this forum there was a lot of discussion about upgarding CPU's in the A31 / A31p.

Similar approach applies to your machine. There are links referring to the Intel website and you can search for the processor family from which your processor comes. The you need to start looking at the faster processor, the stepping that these faster ones have and if those steppings are different check the BIOS on the download website from IBM if the BIOS supports that stepping.

EG Originally the A31 that I got had a 1.8 Ghz B0 step in it. Later C1 step was supported. But the D1 step (2.6 Ghz) was not supported in the BIOS until about four or five versions back.

That out of the way you have to consider heat issues. With the 2.6 Ghz I am running into those problems - the fan is barely coping. This is fine when you do intermittend "office like" work but if you are running CPU intensive applications (some games can be like this, in my case it is heavy calculations) then teh temprature can get quite high.

If asked if I would do it again? Yes, no regrets.

Marinus

Website · #5 Post by **tfflivemb2** » Fri May 26, 2006 8:16 pm

I'm positive, as long as yours is an A20, and not an A20e.

Here is a thread that shows you some options, even though it is for an A20m.

The T20 and the A20 are essentially the same systems. (ie. same chipset)

makaveli559m · #6 Post by **makaveli559m** » Mon Jul 31, 2006 7:24 pm

Thanks for the help, although I couldnt find the 900mhz cpu I was going to buy I did find an 850 and it worked. except it seems my laptop is running hotter. But it works

now I install Vista. The Advisor says I can run Windows Vista Premium.

dsigma6 · #7 Post by **dsigma6** » Mon Jul 31, 2006 8:05 pm

upgrade your fan!

makaveli559m · #8 Post by **makaveli559m** » Tue Aug 01, 2006 4:31 am

Exactly what kind of fan do I look for?

Website · #9 Post by **tfflivemb2** » Tue Aug 01, 2006 6:45 am

You might want to get an A22 fan.

makaveli559m · #10 Post by **makaveli559m** » Sat Aug 05, 2006 4:21 pm

I have another question, would a A22 fan fit on my A20m laptop and would a 1ghz cpu work good with it?

aaron158 · #11 Post by **aaron158** » Mon Aug 14, 2006 3:02 am

i have a 1 ghz chip and an a22m fan i could sell ya

makaveli559m · #12 Post by **makaveli559m** » Thu Aug 17, 2006 1:06 am

FOr how much an if the 1ghz cpu is 100mhz FSB. an the fan?

aaron158 · #13 Post by **aaron158** » Thu Aug 17, 2006 6:30 am

i don't know u make me an offer

makaveli559m · #14 Post by **makaveli559m** » Thu Aug 17, 2006 12:41 pm

Well what if I also offer u my old cpu and pay the difference?

aaron158 · #15 Post by **aaron158** » Thu Aug 17, 2006 1:05 pm

well i don't really need another cpu as i already have a 1 ghz and a 800 mhz and have nothing to use them on

aaron158 · #16 Post by **aaron158** » Thu Aug 17, 2006 1:28 pm

http://cgi.ebay.ca/SL53S-CPU-INTEL-MOBI ... dZViewItem
http://cgi.ebay.ca/IBM-THINKPAD-A22M-HE ... dZViewItem

here are the two items on ebay cheapest price i could find was $50 usd for the chip and $17 for the fan plus shipping witch was like about $20 for both.

how about i do $50 for both plus like $5 for shipping

i also got a 256 mb stick of ram that would work with ur system that i want to get rid of

if that sounds good to u pm me ur info

Upgrade A20 cpu

Upgrade A20 cpu

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