version called the driver directly and too late.
Unblank secondary screen explicitely. Don't rely on the value read during
register save as the BIOS have blanked the secondary head.
Checking if server isn't switched away before calling sync. Sanity check
for possible bugs in aother areas of the code.
Fixing default amount of of allocated video memory from AGP for i810: Use
16MB if less than 192MB are installed else use 24MB (Matthias Hopf).
