Browse Items (101 total)

Historical context(by Z. Stachniak)The rapid development of computer technologies and applications in the 1950s and 1960s created demand for sharing data and resources by connecting computers and computer equipment together over short as well as long…

Founded in 1979, Exceltronix was one of the largest and popular electronics stores of the 1980s in Toronto. From a retail store specializing in electronic components, Exceltronix had expanded into a group of companies (Exceltronix, Multiflex, Toronto…

Historical ContextBetween November 1971 and April, 1972, Intel Corp. of Santa Clara, California, introduced its first two microprocessors — the 4-bit 4004 and the 8-bit 8008. Soon after, the prototypes of the first general purpose computers powered…

Photographs of hardware manufactured by Dynalogic Coproration and scans of images from Dynalogic promotional brochures. The images are of (left to right, top to bottom):
Dynalogic Microcomputer System promotional brochure (c. 1976-77),
Dynalogic…

Historical ContextBetween November 1971 and April, 1972, Intel Corp. of Santa Clara, California, introduced its first two microprocessors -- the 4-bit 4004 and the 8-bit 8008. Soon after, the prototypes of the first general purpose computers powered…

Historical Context In 1973, C. Murray Bell incorporated Dynalogic Corporation in Ottawa to design, develop, and manufacture floppy disk drive systems that could be interfaced with a range of computers and programmable calculators. The floppy diskette…

DY-4 Systems Inc. Challenger I microcomputer model number 953 Chassis, serial number S9538303008.

DY-4 DSM 6816 Microcomputer model number DS6816-002, serial number 105424

The DY-4 Orion V Computer, model (?), serial number ORV8023008.The computer was designed around the the STD-bus architecture and featured two built-in 8" diskette drives. It required an external display and a keyboard (such as the DY-4 VGT-100 or…

Rack mounted SDK computer system consisting of 2 cages of SDK boards and 2 power supply's. Note attached stating "Property of DY-4 Systems, Product Number FA-85-0159"

The system includes the DY-4 following boards:

STD 102
STD 188
STD 325
STD…