Specifications

I-1
I I
Appendix I -
SVGA
Video Controller Hardware
The EPC-8 contains an SVGA graphics controller using the Cirrus Logic SVGA
GD54xx. This is connected to the CPU local bus to give the best possible graphics
performance. SVGA memory is 512 Kbytes, resulting in the following resolutions:
640 x 480 16 colors
640 x 480 256 colors
800 x 600 16 colors
800 x 600 256 colors
1024 x 768 16 colors
The BIOS will not enable (using bit 2 of register 8102) the SVGA controller if
another VGA/SVGA controller is enabled on the EXM expansion interface.
Display Drivers and Utilities Software
The SVGA Driver and Utilities Software is supplied by Cirrus Logic and has the
following nomenclature (where X is the version number):
Product: GDS54XX-X-D143P
Software revision: 1.43
Document release date: March 28, 1994
Document revision: 1.43
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