vbeinfo and grub2 resolution

[Alex Regan]

Hi,

I have a few fedora20 systems running on 1U rackmount servers with basic 
video cards. One of them is an MGA G200eW WPCM450

03:03.0 VGA compatible controller: Matrox Electronics Systems Ltd. MGA 
G200eW WPCM450 (rev 0a)

Where can I find the current documentation on how to set a reasonable 
console text video mode for this card? The docs I've found either relate 
to older grub2 or just grub.

I've seen references to vbemode and vbeinfo as well as gfxmode and 
gfxpayload, but don't understand how to determine what video modes the 
controller supports. Is it possible to choose "800x600" and have grub 
figure out which mode that is for the particular controller?

I'd like a simple 800x600 or something that will scroll smoothly. 
Whatever the current default is, causes the text to scroll entirely too 
slowly.

I can't test this until I go to the colo, so I hoped to be able to get 
it right the first time and hoped someone could help.

Thanks for any ideas.
Alex