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Re: Bumblee on Lenovo Ideapad Y570

 

Thanks. So Nvidia/Lenovo updated the BIOS recently and this model has
bumblebee support, is that correct?

On Mon, Dec 26, 2011 at 5:21 PM, Eric Appleman <erappleman@xxxxxxxxx> wrote:
> There's nothing too special about the Y570 other than using a rather
> frankenstein GPU. There are almost a dozen 555M GPU variants available.
> Every single one uses a GF106 chip with DDR3 or GDDR5 except for the Y570
> which has a GF108 chip with GDDR5.
>
> The 500M series has been a chipset disaster for Nvidia. Sure, some Dell
> users found ways to BIOS mod their GF108 525M into a 550M, but the other
> lines have been depressing. The 555M series has been discussed to death, but
> other people got screwed too.
>
> Take the Asus G53SW/G73SW and G53SX for example. The former has a GF106 460M
> with a 192-bit bus and GDDR5. The supposed "successor", the G53SX, has a
> GF116 560M with a 128-bit bus and GDDR5. Yet at the same time, G74SX, the
> successor of the G73SW, has a GF116 560M with the expected 192-bit GDDR5.
>
> So, in the end, Nvidia's lack of coherent labelling has lead customers to
> buy crippled chips. All of this could've been avoided with labelling like
> the GT 520MX or bringing back Radeon-style labelling like Pro, XT, or Ultra.
>
> Unfortunately, this madness isn't going to end with the 600M series. The
> lower end models as usual will debut first as relabelled or higher clocked
> versions of 500M series. The result so far hasn't been pretty. The 635M and
> 630M are going to be using both the GF106/GF116 and GF108 chipsets. So,
> expect at least another 6 months of searching for the best version of the
> new GPUs and drivers supporting only one version at launch.
>
> Eric
> Bumblebee Project
>
>
> References:
> http://www.notebookcheck.net/NVIDIA-Introduces-GeForce-600M-Series.66966.0.html
> http://nouveau.freedesktop.org/wiki/FeatureMatrix
> http://en.wikipedia.org/wiki/Comparison_of_Nvidia_graphics_processing_units#GeForce_500M_.285xxM.29_series
>
>
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