Gobi4000 compatible with T420s?

T400/410/420 and T500/510/520 series specific matters only
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pianoprodigy
Posts: 33
Joined: Fri Aug 20, 2004 7:19 am
Location: Tampa Bay Area, FL

Gobi4000 compatible with T420s?

#1 Post by pianoprodigy » Mon Jun 25, 2012 1:42 pm

I want LTE with AT&T. I have the Gobi3000 card currently (Sierra MC8355) that does not appear to support LTE. Can I simply swap them?
T42 2373-3XU - $1840 - She served me well for almost 5 years
T400 on order as of 11/18/09 - $1400 (including Intel SSD) - P8700, 4GB RAM, 80GB X25G2 SSD (I upgraded), 3470 256MB
T420s - loaded, still in use as secondary machine
T440p - loaded, primary
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pianoprodigy
Posts: 33
Joined: Fri Aug 20, 2004 7:19 am
Location: Tampa Bay Area, FL

Re: Gobi4000 compatible with T420s?

#2 Post by pianoprodigy » Tue Jul 17, 2012 7:13 am

113 views and no responses!? Anyone?
T42 2373-3XU - $1840 - She served me well for almost 5 years
T400 on order as of 11/18/09 - $1400 (including Intel SSD) - P8700, 4GB RAM, 80GB X25G2 SSD (I upgraded), 3470 256MB
T420s - loaded, still in use as secondary machine
T440p - loaded, primary
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jayton4
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Posts: 618
Joined: Mon Dec 12, 2011 9:00 am
Location: United States

Re: Gobi4000 compatible with T420s?

#3 Post by jayton4 » Fri Jul 20, 2012 8:27 am

Probably not. Lenovo uses what is called a BIOS whitelist to block out unauthorized mini-pcie cards. If the model ThinkPad that you have was never offered an option with the particular Gobi card that you want, then it will not work.

There is a workaround, however, but I do not think talk about the work around is allowed on this particular message forum.
jayton4
Current models/upgrades:
T410 2518X01- 8GB, Corsair Force GT 120GB
T410s 2901A3U- 8GB, Intel 6300 WiFi, Crucial m4 mSATA 256GB SSD w/ microSATA adapter
T420s 4174PPU- 16GB, Intel 520-series 7mm 180GB SSD, Crucial M550 512GB mSATA SSD, Intel 6300 WiFi
and a few classics in storage
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