Super Elf

Posted by musovern on Apr 15th, 2018 in Cosmac-Elf, Single Board Computers | 0 comments

The SuperElf single-board computer was made by Quest Electronics. It was an improvement of the Netronics Elf and Elf II training boards, also based on the RCA 1802, one of the first RISC microprocessors.

The board also featured an 1861 video chip that was closely tied to the 1802 to generate a video image of 128×64 dots.

2, 4 or 6 7-segment Led display could be used. Its hexadecimal keyboard allowed programs to be entered and controlled more efficiently thanks to 8 function keys:

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S100 – 9 Slot System

Posted by musovern on Apr 13th, 2018 in S100, S100 9 Slot System | 0 comments

The S100 Computer System

I have been interested in S100 systems ever since i was a young lad of age 14. So I have re kindled my interest in them in the last few years. I had join a computer group called the N8VEM back in early 2000 and built a Z80 system off there. and then I found out about the s100 Computers.com group about 3 years ago

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Atari ST520fm

Posted by musovern on Apr 13th, 2018 in Atari, Vintage Computers | 0 comments

The 520ST was an all-in-one unit, similar to earlier home computers like the Commodore 64. By the time the 520ST reached the market, however, consumers demanded a keyboard with cursor keys and a numeric keypad. For this reason, the 520ST was a fairly large and awkward computer console.

Adding to this problem was the number of large cables needed to connect to the peripherals. This problem was addressed to some degree in the follow-on models which included a built-in floppy disk, though this addition resulted in the awkward placement of the mouse and joystick ports to a cramped niche underneath the keyboard.

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