5 Dec
2023
5 Dec
'23
12:49 p.m.
Around 1979 I was given a full-size Ampex 4k DG-compatible core memory
board to try and interface to a MC6800 development system that I was
building. IIRC I got it basically working but abandoned the project as
the price of DRAMs fell and could populate a 16k RAM board within my
budget. It was for a ham radio repeater controller.
Wow! I had almost forgotten that, and it was difficult to drag it from
the little grey cells!
cheers,
Nigel
On 2023-12-05 06:07, Paul Birkel via cctalk wrote:
Although I knew that Ampex was a supplier of Multibus
non-volatile RAM
boards (MC-8080 and MCM-8086) - Memory Products Division - I didn't realize
that they had competed for a while in the DG-compatible market alongside
companies like Digidyne, Fairchild, Bytronix, and SCI Systems (according to
court documents and the trade press).
Can anyone shed light on what they offered and when? And perhaps why?
Thank you,
paul
--
Nigel Johnson, MSc., MIEEE, MCSE VE3ID/G4AJQ/VA3MCU
Amateur Radio, the origin of the open-source concept!
Skype: TILBURY2591