Hi,
if you take a look at the bios changes, then you will see following:
255/259ei/en/ea BIOS Release Notes and History
BIOS Version 2.02 11/24/2005
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255ei .202 (Standard) checksum:5E91
255ei Manufactur:American Megatrends Inc Product Name:255/259 Series
915GME VGABIOS Ver 1224 support 8MB(128MB DVMT) VGA RAM
NV43M VGABIOS Ver 5.43.02.64.08 support 128M P264H5S TYPE2
NV43M VGABIOS Ver 5.43.02.64.06 support 256M P264H0S TYPE2
NV43M VGABIOS Ver 5.43.02.67.07 support 64/128M P288H0 TYPE1
ATI_M26 VGABIOS Ver BR1473 2005/08/23 support 128MB VGA RAM
IVI MINILOADER Date 2005-05-05
ITE EC BIOS Ver 2.01
BIOS:
* UNIWILL\EC\ECHOTK.ASM
Fixed ATI DOS Suspend will not turn off TV and CRT output.
I think, that's a hint implementing graphic cards (NV43M) in the bios.
jimbokeks