Old Toshiba laptop not seeing all the screen under 8.04

[Steven Davies-Morris]

The laptop is an 8 year old Toshiba Satellite Pro 4600. The VGA 
controller is a Cyberblade/XP by Trident.  This morning on a whim I put 
Hardy 8.04 on it, a clean replace of "Darya" Mint Linux 4.0 (based on 
Feisty).  Now I only get 800 resolution and a ton of unusable black 
space around the edges.  When I go into the Screen Resolution tool it 
won't offer many anything greater than 800.  What's my next move?
-- 
Cheers, SDM -- a 21st Century Schizoid Man
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