DTC (Display Telecommunications Corporation) MEGA-BOARD
Chipset
Socket 
FSB speed 4.77MHz
Form factorBaby AT (max 220 x 330 mm)
DimensionsEmpty
Cache
None/Integrated in the CPU
Max RAM size
640KB
RAM type DIP-16 (1bit)
PSU connector
Also known as
- S (stylized with resistor symbol) PC/XT TURBO w/extender* DTC (Display Telecommunications Corporation) CP/M single board computer
I/O ports1x
XT Keyboard
Expansion slots7x
8-bit ISA
Notes
It was definitely designed in house by DTC (Dallas, TX c. 1982) and they manufactured the board themselves. We have information directly from one of their engineers and the author of the mega-bios. Has ISA extender and breadboard area.
repair description: http://oldcomputer.info/log/index.php?id=20181027014204-restoring-the-old-pc-xt-clone-mainboard
bios reconstruction project: https://github.com/sergioag/megabios
more information on this board: https://forum.vcfed.org/index.php?threads/display-telecommunications-corporation-megaboard.63853/
Last updated 2026-06-21T18:30:03Z
Board info score is 8.8/10
Chips
2 BIOS files available
IBM - 1 entry
POST string
Note
Core Ver.
BIOS Ver.
Logs
DTC (Display Telecommunications Corporation) - 1 entry
POST string
Note
Core Ver.
BIOS Ver.
Logs
No drivers available
2 board documents available
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
2006-06-15
File
Logs
Chip
Release date
1997-06-13
File
Logs
Chip
Release date
1997-06-13
File
Logs
Chip
Release date
File
Logs
Family
Release date
File
Logs
Family
Release date
File
Logs
Family
Release date
File
Logs
Image 1 of 6
Image 2 of 6 (SomeGuy)
Image 3 of 6 (MCbx)
Image 4 of 6 (SteveCooling)
Image 5 of 6 (SteveCooling)
Image 6 of 6 (MCbx)
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