8085 Single Board Computer, STD Bus, RS232, 3x 28 pin JEDEC Memory Sockets (1 ZIF), 22 pins programmable I/O **ENIG**
Designed by Bits Of The Golden Age in United States of America
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Note: this listing is for the BARE BOARD only. This is for the EING (GOLD) plated board. The TIN version is listed separately HERE The current version of this card is v1.0 The STD-85 is an 8085 based…
Read More…Note: this listing is for the BARE BOARD only. This is for the EING (GOLD) plated board. The TIN version is listed separately HERE
The current version of this card is v1.0
The STD-85 is an 8085 based Single Board Computer designed to operate on the STD bus. As such, it contains all elements required for stand-alone operation including the processor, Random Access Memory (RAM) and Read Only Memory (ROM or EPROM). The STD-85 also includes an RS232 Serial port with a female DB9 connector for communication with a terminal. finally, the board includes a pad per hole sandbox area for prototyping.
The board allows for configuration of two independent memory maps and an onboard port allows the software to switch between these two maps. This is useful for CP/M or other applications that benefit from swapping the boot EPROM with RAM. For memory, the board has three 28 pin universal JEDEC memory sockets with one provided with sufficient clearance for a ZIF socket.
A 3D printed card guide set is available as well as cooling plenum(s)
There is a confidence test available for programming examples on the Bits Of the Golden Age .org website.
A design review video is available here and elements required for STD here
if you are not familiar with the STD bus, here are a couple of videos:
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