Unusual Altair 8800 power supply. Upgrade kit, factory error, or something else?

[Joseph Lang]

Perhaps "card cage" is overstating what MITS did. Plastic guides screwed to a PCB is far more accurate. 
 
Joe

> On Nov 11, 2015, at 3:52 PM, Chuck Guzis <cclist at sydex.com> wrote:
> 
>> On 11/11/2015 12:05 PM, Joseph Lang wrote:
>> Rev 0 used a small (too small;-) transformer and suffered. The later
>> PS used a larger transformer, but the layout had to be swapped to
>> clear the card cage.
> 
> Yes, the transformer was too small.  But "card cage"?  All I've got is a bunch of blue plastic card guides screwed to the (4 slot) backplane PCB.  When did the metal card cage come into being?
> 
> --Chuck