I can confirm I'm still able to buy a G505S in my country but it seems to have the quad core A8-4500M (not the A10) with a dedicated Radeon HD 8570M.
It's a decent machine and it would be great to have it on the official LTS list. Speaking of the list, I cannot find any store selling the Toshiba Satellite C50D-A mentioned in the wiki. --emi On Mon, Apr 6, 2015 at 1:45 PM, Vladimir <[email protected]> wrote: > Dear coreboot developers, > > Francis Rowe (main Libreboot developer) has hinted an idea about adding > Lenovo G505S to Coreboot LTS Candidates list of laptops, which is hosted at > MrNuke's User talk coreboot wiki page. I believe it is an excellent idea, > because: > > *1)* Lenovo G505S contains AMD APU, so there is no need to deal with > Intel ME/AMT so-called "features" > *2)* this APU has Richland architecture: as result (unlike the more > recent AMD offerings) it doesn't have "AMD Secure" feature -- based on ARM > Trustzone technology which already has some exploits against it; there are > security concerns about ARM Trustzone that are similar to concerns about > Intel vPro "feature" (remote management etc.) > *3)* this APU is A10-5750M, the most powerful mobile APU among Richland > designs - as result, this laptop is still very competitive regarding its > performance, and also price/performance > *4)* Unlike the older HP M6-1035DX amd laptop, Lenovo G505S seems to be a > very popular model: even now, more than 1.5 years after its' introduction, > there are >200 Internet shops in my large city still selling it new in box > - not used/refurbished > *5)* Lenovo G505s works without microcode updates, and already has a > working Coreboot build (although Video BIOS and SMU firmware have blobs > that are still not reverse-engineered; and some minor issues - e.g. ACPI > not perfect yet ) > > These great points are making me wonder, why this interesting laptop still > haven't been added to that LTS Candidates list? Does it fail to meet some > requirement for LTS candidates in a not-obvious way > (RYF-certifiable,Sturdy,Long shelf-life,Cool factor) or there is some > not-listed AMD laptop that could be a better candidate? > > By the way, I have discovered that there are many modifications of Lenovo > G505S, which could be divided into three primary groups by their major > difference - GPU *(minor differences, such as different size of RAM or > hard drive, are not interesting)* > GPU modification groups: > *1)* only 8650G, which is built-in into APU (no dual graphics) > *2)* 8650G + AMD HD 8570M (dual graphics) > *3)* 8650G + AMD R5 M230 ( dual graphics, slightly more powerful than > "2)" ) > Are these modifications all supported by Coreboot? And would be there any > additional difficulties regarding modifications with dual graphics? > > Your answers and opinions will be very welcome > Best regards, > Vladimir Shipovalov > > -- > coreboot mailing list: [email protected] > http://www.coreboot.org/mailman/listinfo/coreboot >
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