[ltp] Re: Bios upgrade via USB boot

Bjørn Mork linux-thinkpad@linux-thinkpad.org
Fri, 27 Sep 2013 08:56:21 +0200

Henrique de Moraes Holschuh <hmh@hmh.eng.br> writes:
> On Thu, 26 Sep 2013, green wrote:
>> Kevin Brubeck Unhammer wrote at 2013-09-26 02:29 -0500:
>> > Slightly off-topic, but what X220 BIOS feature(s) did you consider wor=
>> > upgrading for? Reading
>> > http://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/8duj25uc.txt ,
>> > I'm not sure I should take the risk.
>> I think I have heard here that undocumented changes between Lenovo's
>> BIOS version releases are common.
> That is correct, and I heard it directly from the source.  They don't alw=
> bother listing minor stuff, only sometimes that minor stuff is a detail t=
> is really going to help Linux users... :-)

In any case, the update in question lists

  "Updated the CPU microcode."

and if I have understood you correctly, then that is certainly a valid
reason to do a BIOS upgrade.