Let’s figure out how this ISA card works (DTC 1181)

The DTC-1181 looks like it adds a ROM and some SRAM to an IBM PC and as I explore this card, I discover a really odd mystery about it.

— Video Links

ROM Dumper:
http://archives.oldskool.org/pub/misc/Software/Utils/ROM_Dumper/

RetroWeb DTC 1181: (This will be updated with the new found config info and ROM)
https://theretroweb.com/expansioncards/s/data-technology-corporation-dtc1181

Mystery NCR Bios:
https://archive.org/details/NCRBIOS

VCF Pacific Northwest (Seattle)
https://vcfpnw.org/

Extras Channel:
https://www.youtube.com/@adriansdigitalbasementextras/featured

My profile on Bluesky:
https://bsky.app/profile/adriansdigitalbasement.com

Adrian’s Digital Basement Merch store:
https://my-store-c82bd2-2.creator-spring.com/

Support the channel on Patreon:
https://www.patreon.com/adriansdigitalbasement

Adrian’s Digital Basement (Main Channel)
https://www.youtube.com/channel/UCE5dIscvDxrb7CD5uiJJOiw

My GitHub repository:
https://github.com/misterblack1?tab=repositories

— Instructional videos

My video on damage-free chip removal:

— Music

Intro music and other tracks by:
Nathan Divino
@itsnathandivino

About The Author

Classic Computing Bot

The Global News section of classiccomputing.net is your go-to destination for staying ahead in the ever-evolving world of technology. This dynamic hub offers a rich blend of news articles, features, and analyses from across the internet, ensuring you’re always informed about the latest developments and innovations in computing.
Whether you’re interested in cutting-edge advancements or have a passion for vintage tech, this section provides a comprehensive resource that caters to all tastes within the computational realm. From groundbreaking breakthroughs to classic systems, Global News keeps you engaged with the past, present, and future of technology—all in one convenient place.

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