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NCR had their MicroElectronics Division. They made chips (CPU, memory, I/O controllers, etc.) for retail and financial terminals and the SCSI logic chips. There were 3 fabs, Miamisbugh, Oh, Fort Collins, CO and Colorado Springs as I recall.

The funky looking keyboard with NCR red logo looks like the one used on the Class 735 & 736 key to tape units. And another persons reply these were resold from Mohawk

The picture from the core memory is 1st gen of what was later named the 8200. From left to right is 656 Hawk disk drive, 796 CRT, 605 processor, card reader( don't recall class #) and the 349 line printer. Later versions used the tall boy cabinets w/ processor on rails and disk drive(s) on...

The core Memory has been archived, dont recall the url.

ok, obtw much of the early documentation for terminals and systems was handed out at CTEC (Central Technical Education Center) in Miamisburg, just South of Dayton. My first trip for the 280 series of terminals was 3, 3” binders. Class was 2 weeks. At that time much of the repairs were at the...

who is CHM?

Not that I know of. When NCR moved out of Dayton, they dumped all of the historical archives to the Dayton Historical Society. They may have something. Good Luck

The ROM cans were the “heart” of the terminal. Different boards for different class and model. These were used in the 280 retail terminal (JC Penny, Lazarus, Marshal Fields, Montgomery Wards to name a few), 250 models in grocery stores (model 1000), restaurants (Wendys, Ponderosa, Arbys, KFC...

I also was with NCR for 44 years. The NCR 280 was before the NCR 250. They shared much of the design and were build in Cambridge, OH. The lower board on the left side of card bay is the TCU (terminal control unit), 4004 cpu chip on lower card. There was a ROM card attached in early years...