[Bug 27470] Dual link DVI mode (2560x1920) on Dell 30" display unusable (distorted screen) on RV770 [Radeon HD 4850]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27470

--- Comment #19 from Alex Deucher <agd5f at yahoo.com> 2011-02-05 10:19:10 PST ---
Can you attach a copy of your vbios from the new card?

(as root)
(use lspci to get the bus id)
cd /sys/bus/pci/devices/<pci bus id>
echo 1 > rom
cat rom > /tmp/vbios.rom
echo 0 > rom

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