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(used) T420 QuadCore FrankenPad ~ To Buy or Not To Buy ???

T400/410/420 and T500/510/520 series specific matters only
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(used) T420 QuadCore FrankenPad ~ To Buy or Not To Buy ???

#1 Post by Annecy » Sat Apr 07, 2018 2:17 am

I've come across a used/2nd-Hand T420 QuadCore FrankenPad for sale ...
I've read some TPF T420 QuadCore ForumThreads; e.g.,
SOLD: T420 i7-3610QM ...
SOLD: $40 -- T420 MB 63Y1989 w/ Coreboot -- accepts Ivy Bridge CPU

I'd like to ask/know ...
How would/should I proceed to assess making the purchase ???

Seemingly (imo) ...
the T420, T520 & W520 were the final "classic" ThinkPads ... (nicht wahr :?:)
before Lenovo changed/ruined the TP KeyBoard:

TeamLiquid: Lenovo and the Thinkpad keyboard change

Last month I "tried out" ... for the first time ever ...
a "PostClassic" TP ~ X230 ...
I still can't fathom ... why ...
the PrtSc key was/is so "prominently" placed ???
& ...
When did the AppsKey start disappearing ... from keyboards ?!?!?! :shock:
I (also) couldn't believe :-o
when I asked the X230 owner,
"Where's the AppsKey ???
the reply was, "The what ??? :eek: :roll:
2005: T30 2366-85U (XP)
2015: T43 2686-M7U
2017: T61 14.1"ws
2018: T61p 6457-V9K ¦ T60 2008-4AU & 2613-CTO ¦ T420s 4174-BB4
2017: 2 OtC MS-W7s

(WiP: :help:
~revive T30 XP-install ¦ ~T43 SATA-MOD
~sell T61ws
~Max T61p & T60-2008
~Find Ultimate "ClassicTP"

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Location: Ontario, CA

Re: (used) T420 QuadCore FrankenPad ~ To Buy or Not To Buy ???

#2 Post by pathan421id » Sat Apr 07, 2018 8:14 am


buying t420 over t430 is an idiotic decision no matter who recommends you that

with some effort, the t430 can have 7-row keyboard just like the T420, but have the advantage of usb3/better chassis/better chipset.

it will accept 2133mhz memory (g.skill cl11) with factory bios

I recommend you visit the /r/thinkpad discord in my signature, there are much more people with the knowledge willing to help you (one in particular is very experienced with the T430).

Posts: 1949
Joined: Mon May 28, 2012 5:49 am
Location: Metro Manila, Philippines

Re: (used) T420 QuadCore FrankenPad ~ To Buy or Not To Buy ???

#3 Post by axur-delmeria » Sat Apr 07, 2018 3:39 pm

That's not a quad-core, but a dual-core i7 with Hyper-Threading enabled, which exposes a "virtual core" for every physical CPU core. A quad-core i7 would show up as 8 cores in Device Manager.

Laptop Core i7 models with Q in the model number are quad-cores, like i7-3612QM.
Daily driver: X220 4291-C91 i7-2620M

Backup: X220 4291-P79 i5-2520M
Toy: X60F Core Solo U1300
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod

Posts: 45
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Location: Adelaide, OZ

Re: (used) T420 QuadCore FrankenPad ~ To Buy or Not To Buy ???

#4 Post by Yukikaze » Tue Aug 21, 2018 8:30 am

Thanks for the link!
Modified T470 to look like TP Anniversary Edition; TP 25; E550; T540p; wants a T420 or P1 to see what's good.

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