GD542x IREF Circuit Comparison

Comparison of the current reference (IREF) circuit used for the internal DAC as it's implement on the various SVGA MCA adapters.

Content originally created by T. Sunagawa. Modified by Major Tom.


IBM SVGA 1MB (US)

Original

Fixed

Reply SVGA

Japanese SVGA

Content created and/or collected by:
Louis Ohland, Peter Wendt, William Walsh, Kevin Bowling, Jim Shorney, Tim Clarke, David Beem, Tatsuo Sunagawa, Tomáš Slavotínek, and many others.

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