Okay, then make the default setting RAID in the BIOS, don't proactively prevent (or should I say, restrict) that setting from being changed at all.

Why? Why should Lenovo let 99% of their users use sub-par drivers when they reinstall Windows?

Where did I say that Lenovo should change the default setting?

To be clear, I'm perfectly fine with a default setting of RAID -- but right now, they also lock you out of changing it back to AHCI.

What I think is reasonable is allowing users to change the setting back to AHCI (at their own risk, of course, as is the case with MOST settings in the BIOS). They should have done that all along, but instead, they artificially restricted it, locking us Linux users out by their own volition.

I think the RAID setting can be the default. But they should provide the option to change if users want to install linux. Most linux users are BIOS friendly anyway.

Answering you and Hydraulix989:

Because Internet forums. That's why. Search for "I can't install Windows 10 on my Lenovo Whatsyourface" and you'll get "Change this super secret setting to AHCI". And who's going to be doing those searches? Everyone, but specially people less computer savvy. The ones that know enough are here discussing Lenovo's decision.

Again, just to clarify: I'm not trying to defend Lenovo. What they did was a bad business decision, but maybe it was the lesser of two evils. Maybe they should've kept Intel accountable on this one - but who can argue with the only serious CPU manufacturer for laptops?

Every other chipset and motherboard in existence has had that option and it hasn't affected anyone adversely. There is no less of two evils. There isn't any evils here.

That's not what the article claims. Apparently there are indeed two evils here:

Lower performance for everyone or no drivers for Linux.

I take you know more than the article's author, in which case I'd be interested in reading your analysis as I'm not an expert.

There is no way that using a fake RAID set of drivers and a completely incompatible and more complex on-disk RAID format is going to increase performance in any way.

There's a reason why that hasn't been done on any system in the past - because it's stupid and fake RAID drivers are notoriously buggy and require support from cloning and other low level software that gets used.

Yer, you're not an expert, or appear to know anything about hardware.

Because providing that option doesn't give anyone sub-par drivers?

Also, the power saving stuff is bollocks. I never thought I would see the day when anyone would recommend using a bullshit fake RAID driver for power saving reasons.

Please refer to my other response to you. It would be awesome to read your analysis of the drivers and the underlying hardware.

I base my opinion on what experts call facts as I'm not a hardware expert myself.

It would be awesome if you knew what you were talking about ;-).

We're all just waiting for you to enlighten us. Go ahead, show us what you've got :-)

There's actually some interesting OSS politics at hand (it appears that this new ultrabook BIOS may have been "copied" over from the Lenovo server BIOS):

http://www.gossamer-threads.com/lists/linux/kernel/2352338