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Last models with magnesium skeleton

T400/410/420 and T500/510/520 series specific matters only
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markba633csi
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Last models with magnesium skeleton

#1 Post by markba633csi » Mon May 13, 2019 3:44 pm

At what point did they stop making ThinkPads with the magnesium "roll cage" like the T400 and earlier? They're nice to work on, strong and light- Thanks
Mark S.

Thinkpad4by3
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Re: Last models with magnesium skeleton

#2 Post by Thinkpad4by3 » Mon May 13, 2019 6:30 pm

I believe the T400 for the full magnesium cage, the T430 for the sudo magnesium cage, and the Yoga S1 has a magnesium exoskeleton.
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The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.

GrifterGuru
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Re: Last models with magnesium skeleton

#3 Post by GrifterGuru » Mon May 13, 2019 10:41 pm

T430 is a magnesium "Plate" type chassis inside the main body of the machine.
X31 2672-58G, M73 10AXS, M73 10AXS i7, L412 4403-72G i5,T420 4236-9N8 i7-2630QM, T430 2349-TDG, X201 3680-C85, X220 42902
Install Mojave on X220 & T420

wujstefan
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Re: Last models with magnesium skeleton

#4 Post by wujstefan » Tue May 14, 2019 2:23 am

GrifterGuru wrote:
Mon May 13, 2019 10:41 pm
T430 is a magnesium "Plate" type chassis inside the main body of the machine.
+ sharply enhanced external lid material
Too many thinkpads not enough time!
(stable under reduction)

dr_st
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Re: Last models with magnesium skeleton

#5 Post by dr_st » Tue May 14, 2019 2:28 am

markba633csi wrote:
Mon May 13, 2019 3:44 pm
They're nice to work on, strong and light
You know, I don't think they are any stronger than new models that replaced them. And they are most definitely not lighter.
Thinkpad 25 (20K7), X1 Carbon (20HQ), Yoga 14 (20FY), T430s (IPS FHD + Classic Keyboard), X220 4291-4BG
X61 7673-V2V, T60 2007-QPG, T42 2373-F7G, X32 (IPS Screen), A31p w/ Ultrabay Numpad, A21m 2628-GXU

w0qj
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Re: Last models with magnesium skeleton

#6 Post by w0qj » Tue May 14, 2019 12:07 pm

0. I guess by implication that T400 had magnesium rollcage for both LCD lid & body...

1. For the LCD lid & body:
For what it's worth, to quote another user,
"T400s and after (T410, T420, etc.) only had the magnesium alloy one in the body. The lid roll cage got replaced with a "next-gen rollcage", which is basically a carbon fiber/fiberglass shell..."

2. When did ThinkPad remove the body rollcage in the T4xx series?
I don't know, to be honest...


Sources:
http://forum.notebookreview.com/threads ... age.569263
http://forums.lenovo.com/t5/ThinkPad-T4 ... d-p/193756
Daily Driver: X1 Extreme 1st Gen (X1E1): i7 | 16GB | 1TB | IPS
Current Thinkpads: X1E1 | X1C4 | X1C3 | X250 | X230 | T410
Retired Thinkpads: T42 | 560 (circa 1996)
~~IBM Thinkpad era computer bag !

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