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Preventing GPU fail on T30

T20-T23 Series and T30. NOT for T25-Retro.
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geka3250
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Joined: Tue Mar 11, 2014 2:45 pm
Location: Ukraine
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Preventing GPU fail on T30

#1 Post by geka3250 » Sun Jun 05, 2016 7:34 am

Hello!
I heard about high failure rate of ATI Radeon Mobility 7500 chip. I did some mods on my T30 and want to share it :)
Got northbridge aluminium heatsink from dead Gigabyte s462 motherboard, sawed right side a some to make trackpoint PCB fit. Applied AC MX-4 thermal compound on ATI7500 chip, 4 drops of glue diagonally. And thermal pad 1.5-2mm to make heat dissipation on keyboard.
Image
30mins of 3D load with removed keyboard gives 68C on heatsink, I hope with keyboard installed temperature can go lower.
T30 have no GPU sensor, so I can't say about improvements, but without heatsing GPU burns fingers after 10 sec of 3D load and very hot to touch at idle.
340CSE | 380XD | 770 | 770X | 770Z | 390E | 600E | 600X | T23 | X30 | T30 | T41p | T43 | T60p | X200t

danikayser84
Sophomore Member
Posts: 130
Joined: Thu Mar 20, 2014 8:55 pm
Location: Albany, NY

Re: Preventing GPU fail on T30

#2 Post by danikayser84 » Sun Jun 05, 2016 2:44 pm

I don't know how often GPU fails on the T30, but I know that the A31/p, and early T40/T41 tend to have issues with the GPU desoldering from the motherboard... needless to say, my SXGA+ T30 has not had any GPU issues under XP, 7 or Linux although mine seems to have a replaced motherboard from before I acquired it (also has both RAM slots working)
Current: T440p (Win10), W500 4058-CTO (Win10), T61 8892-01U (Win2000), Semi-Retired: T61 8892-01U (Win10)
Museum/Retired: T400, Z60m, T43, T42, T30, T23, A30, A31p, 600X, 600E, 380ED, 770Z, 560Z, 765D, 755CX, 755CD
Others: Dell D630, MacBook Pro Mid-2012, PowerBook G3 Pismo, AlBook 15"/1.5G

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