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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. Edited by Major Tom.

IBM SVGA 1MB (US)

Original

Fixed

Reply SVGA

Japanese SVGA

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

Ardent Tool of Capitalism is maintained by Tomáš Slavotínek.
Last update: 14 Apr 2024 - Changelog | About | Legal & Contact