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Upgrading ThinkPad T20 CPU
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- ThinkPadder
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Upgrading ThinkPad T20 CPU
Im looking to max out my ThinkPads CPUs now since all their RAM is maxed now. My ThinkPad T20 has a Intel Pentium III 750MHz and want to upgrade to what I seen as the highest a Intel Pentium III 1.3GHz
IBM: 760XD,770Z,600X,240,560X,560Z,570,380Z,390X,i1200,i1400,
A22m,A22e,A30,G40,R31,R40,R50,R60,R61,R400,R500,
T20,T23,T30,T40,T43,T60,T61,T400,T400s,T500,W500,W700,
X21,X30,X41,X41T,X60,X60T,X200,X200T,X300,X120e,Z60m,Z61tT410T410sT510T420T420sT520
T430T430sT430UT530T470T470sT470pT570SL500L470L570
A22m,A22e,A30,G40,R31,R40,R50,R60,R61,R400,R500,
T20,T23,T30,T40,T43,T60,T61,T400,T400s,T500,W500,W700,
X21,X30,X41,X41T,X60,X60T,X200,X200T,X300,X120e,Z60m,Z61tT410T410sT510T420T420sT520
T430T430sT430UT530T470T470sT470pT570SL500L470L570
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- Admin
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- Location: San Jose, CA 95120 USA
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Re: Upgrading ThinkPad T20 CPU
I don't know much about what CPU you can substitute on which motherboard, but I'd say your best course of action would be to replace the T20 with a T23. They were available up to a 1.2Ghz PIII from the factory and can handle 1GB of memory.
Ray Kawakami
X22 X24 X31 X41 X41T X60 X60s X61 X61s X200 X200s X300 X301 Z60m Z61t Z61p 560 560Z 600 600E 600X T21 T22 T23 T41 T60p T410 T420 T520 W500 W520 R50 A21p A22p A31 A31p
NOTE: All links to PC-Doctor software hosted by me are dead. Files removed 8/28/12 by manufacturer's demand.
X22 X24 X31 X41 X41T X60 X60s X61 X61s X200 X200s X300 X301 Z60m Z61t Z61p 560 560Z 600 600E 600X T21 T22 T23 T41 T60p T410 T420 T520 W500 W520 R50 A21p A22p A31 A31p
NOTE: All links to PC-Doctor software hosted by me are dead. Files removed 8/28/12 by manufacturer's demand.
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- ThinkPadder
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Re: Upgrading ThinkPad T20 CPU
I looked into this once, and the PIII Coppermine generation CPU, used in the T20, only goes up to 1GHz. Utilizing one of those in a T20 also seems to require a heatsink and a fan from a T22. The faster PIIIs, found in the T23, is the PIII Tualatin generation CPU, which has a faster FSB (133 instead of 100) and a different socket. They go up to 1,2GHz (Or is it 1,3?), but they will be a no-go in the T20.
Bjorn
THINKPAD collector. Only missing a proper RetroThinkpad.
THINKPAD collector. Only missing a proper RetroThinkpad.
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- ThinkPadder
- Posts: 1192
- Joined: Fri Mar 13, 2009 2:47 am
- Location: New Alexandria, Pennsylvania
Re: Upgrading ThinkPad T20 CPU
Ok thanks. I have my T20 max for it RAM 512MB and check to see the T23 is 1GB max and they go to Pentium III M 1.13GHz for the highest for the T20 series.
IBM: 760XD,770Z,600X,240,560X,560Z,570,380Z,390X,i1200,i1400,
A22m,A22e,A30,G40,R31,R40,R50,R60,R61,R400,R500,
T20,T23,T30,T40,T43,T60,T61,T400,T400s,T500,W500,W700,
X21,X30,X41,X41T,X60,X60T,X200,X200T,X300,X120e,Z60m,Z61tT410T410sT510T420T420sT520
T430T430sT430UT530T470T470sT470pT570SL500L470L570
A22m,A22e,A30,G40,R31,R40,R50,R60,R61,R400,R500,
T20,T23,T30,T40,T43,T60,T61,T400,T400s,T500,W500,W700,
X21,X30,X41,X41T,X60,X60T,X200,X200T,X300,X120e,Z60m,Z61tT410T410sT510T420T420sT520
T430T430sT430UT530T470T470sT470pT570SL500L470L570
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- Admin Emeritus
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- Joined: Mon Sep 18, 2006 5:17 am
- Location: Loch Garman, Éire
Re: Upgrading ThinkPad T20 CPU
Highest T20/T21/T22 is 1.0GHz (max 2x256MB RAM, all same platform), highest T23 is 1.2GHz (max 2x512MB RAM, different platform).
Lovely day for a Guinness! (The Real Black Stuff)
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