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by weland 3864 days ago
> how inportant was/is a switching supply

Fairly important. Linear power supplies are pretty large and put out a lot of heat. It was commonplace back then for most appliances, including computers, to have a linear power supply. A switching-mode PSU was an improvement over the status quo in general.

> and was incorporating it really as simple as copying a well-known design?

Yes, it was.