[coreboot] Does the Core2Quad Mobile Q9100 require microcode updates?

[Taiidan at gmx.com]

On 01/08/2017 06:50 PM, Daniel Kulesz via coreboot wrote:

> Hi,
>
> for the record: I had the Q9000 (not Q9100) running in my Thinkpad T500 for a few weeks now without microcode updates and did not encounter any issues so far.
>
> Cheers, Daniel
>
>
> On Sat, 12 Nov 2016 12:25:18 -0500
> "Taiidan at gmx.com" <Taiidan at gmx.com> wrote:
>
>> It varies as per CPU revision, some have newer/older onboard microcode
>> than others.
>>
>> You won't know until you try it, or someone else with the exact same cpu
>> model/revision posts back (might take a long time)
>>
>> I would check the errata spec sheet to see if there is anything bad that
>> is addressed by later microcode updates post-your cpus onboard version.
>> On 11/12/2016 07:12 AM, Daniel Kulesz via coreboot wrote:
>>> Hi,
>>>
>>> I am considering upgrading my Coreboot'ing Thinkpad T500 with a Core2Quad Mobile Q9100 [1] (which requires some hardware modifications but is doable). My question is: Does this CPU require the microcode updates or will it run without? Practical experience from someone running this or a simular CPU from the same family (Q9000, Q9300) would be appreciated!
>>>
>>> Cheers, Daniel
>>>
>>> [1] http://ark.intel.com/products/37033/Intel-Core2-Quad-Processor-Q9100-12M-Cache-2_26-GHz-1066-MHz-FSB
>>>
Just because you appear to have no problems doesn't mean they aren't 
there, see the opteron 63xx microcode bug from a year ago that allowed 
programs to obtain root.