'motherboard' etymology

[Jules Richardson]

On 02/28/2016 06:50 PM, Jon Elson wrote:
> Computers existed way before 1980, and had many boards plugged into
> wire-wrapped backplanes or motherboards.

Backplane was certainly a term from way back, I just don't recall seeing 
motherboard before somewhere around the 1980 timeframe. Maybe you're right 
though and it was in use too, but only by certain companies...