BIT-C-128 Video DAC for Commodore 128/128D, IBM CGA, and Tandy CGA Plus

The BIT-C-128 Video DAC with a Gonbes video converter and power adapter is the cheapest and easiest combination to display high-quality 80-column video from a Commodore 128 or IBM CGA on newer VGA displays, including lightweight LCD flat panels.

Designed especially for Commodore 128 and 128D computers, the BIT-C-128 Video DAC has been carefully tuned to match the colors on the Commodore 1084S-D display and designed for manufacturing using modern design tools and surface-mounted components.

Key features:

Please see the links at the top of this page for more information about applications and how to get started, or to buy the video DAC and accessories.

For questions about this product, please contact me (John Carlsen).

News

2017 January 26: A case is now available for the BIT-C-128 Video DAC! The case can be ordered from a third party (and BIT-C-128 Video DAC user) in a variety of colors via eBay.

2017 January 19-26: Due to a change in domain name registrars, this site has been inaccessible intermittently. The problems should now be resolved.

2017 January 9: Due to high costs of doing business through eBay, the price of the Video DAC when ordered through eBay has gone up $5 to $55. The Video DAC may still be purchased via Amazon.com for $50 or via this site for $45.

2016 November: Holiday sales are picking up. Order yours today!

2016 July: The BIT-C-128 Video DAC circuit board is now in its third printing. Thanks for making BIT-C-128 the world's best selling video DAC for C-128 and CGA!

2016 June: To celebrate its first anniversary, I'm publishing a 3-D PDF design proof of the BIT-C-128 Video DAC that I created a year ago. This file contains a three-dimensional model that may be viewed and turned in three dimensions with a modern Adobe PDF reader. (Older versions will display only a white page.)


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