The MidAtlantic Retro Computing Hobbyists exhibited single board computers and trainers at the 2012 HOPE 9 convention in NYC July 13-15. Among the systems exhibited was this replica Apple 1 computer. Click image for larger view.

Here's Jeff telling tales of computing days past to an interested booth visitor. Jeff helped man the exhibit booth for 12 hours at a time, the club owes a lot to him for sharing his knowledge and his dedication to the club. Click image for larger view.

Here's MARCH's KIM-1 computer with after-market cover. This single board computer was the first product of Commodore after it acquired MOS in 1976, and before the PET 2001 was sold the following year. Click image for larger view.

MARCH's Heathkit ET-3400 6802 (6800)processor-based trainer. Click image for larger view.

The Bell Labs MACTUTOR trainer. Forget the processor, something proprietary. Click image for larger view.

Rolf brought his SYM-1 6502 processor SBC to display. Power problems prevented us from using it. Click image for larger view.

Here's the Motorola MEK6800D2 I brought to display at the MARCH booth. Click image for larger view.

Another SBC on display - RCA's Cosmac-VIP. Click image for larger view.

"Keep that coffee away from the computers!" says Mid Atlantic Retro Computing Hobbyists president Evan Koblentz (seated) to an visitor to the MARCH exhibit booth at HOPE 9. Click image for larger view.