AT&T 3B1 Unix PC (WTD: a 67MB version power supply)

[Eric Smith]

B. Degnan wrote:
> 67MB UNIX PC Power supply

3B1 power supply, used whether the 3B1 had the 40MB or 67MB drive

> There seems to be some confusion about what you call the 67MB UNIX PC.  
> Is it a 3B1 or a 7300?

3B1.

If the case has a hump, it's a 3B1.  Without, it's a 7300.

> I also need an earlier 7300 motherboard.

Why?  The same motherboards will work in the 7300 or 3B1.