Osborne-1 with prototype-based motherboard

[Brad H]

> Some small companies would give employees extreme discounts if they
assembled one themselves using mostly parts which had been deemed too >
>obsolete for production.

I was thinking something like that, or it was repaired at one point and this
particular board was on hand to use as a replacement.

The key would be figuring out what the apparent serial number '1-00494'
means.