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X220 BIOS 1.44 (Spectre patch)

X200, X201, X220 (including equivalent tablet models) and X300, X301 series specific matters only.
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Puppy
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X220 BIOS 1.44 (Spectre patch)

#1 Post by Puppy » Tue Mar 27, 2018 6:30 pm

https://support.lenovo.com/cz/cs/downloads/ds018807

Code: Select all

<1.4-1.24>
 UEFI: 1.44 / ECP: 1.24
- [Important] Enhancement to address CVE-2017-5715.
Any experiences?
ThinkPad (1992 - 2012): R51, X31, X220, Tablet 8

apala4
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Joined: Sun Mar 04, 2018 4:16 pm
Location: Chernihiv, Ukraine

Re: X220 BIOS 1.44 (Spectre patch)

#2 Post by apala4 » Tue Apr 03, 2018 9:03 am

and one more question - is there a way to revert patch?
I've accidentally updated bios with this microcode through lenovo update center.
I doubt this vulnerability will ever affect my work with x230 so do not want to lose in performance.

dr_st
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Re: X220 BIOS 1.44 (Spectre patch)

#3 Post by dr_st » Tue Apr 03, 2018 9:09 am

There is a way to flash older BIOS, but not through Lenovo's official tool. I never tried, but I know some folks here have the know-how.
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

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