Re: Black screen with GMA500 driver on Atom E680 (invalid VBTsignature)

From: One Thousand Gnomes
Date: Thu Nov 14 2013 - 08:52:34 EST


> My question now is, is it a bug in the driver or in the VGA Bios?
>
> IÂve checked the VGA bios and did a hex dump but there is really no "$VBT" string.
> On an Atom Gen1 CPU with intel GMA500 Graphic there is the string in the VGA BIOS.
> But if i create the VGA BIOS for intel Atom E680 which has a GMA600 Graphic
> there is no string.
>
> Does anybody of you running the GMA500 driver with and Atom E680 without having this
> problem? Or does anybody know how to get this string into the VGA BIOS?

E680 I believe will try and use the other style of parsing. I never got
my hands on one to confirm that but in general E6xx seems to use
Moorestown style tables instead and you'll only get support for some
outputs.

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