On 11/05/2010 10:35 PM, Orchid XP v8 wrote:
>>> 5 amps?!
>>>
>>
>> 5 amps per PCB. If IIRC TTL uses 250 ma per chip and there were 20
>> chips per PCB and 6 PCBs. Include the losses in the PS and it was just
>> less than a Kw. It glowed <joke>
>
> I've *seen* solid-state equipment glow. It's not funny. o_O
>

One of our fault finding techniques was to pass circuit boards close to 
the lower lip to detect the heat given off by faulty chips.
> But anyway... 250 mA per chip? I thought it would be more like 0.5 mA
> per chip?
>

My memory may have failed but it is what I remember.

>>> How thick was the damned wire??
>>
>> Standard for the time. ;-)
>
> Are we talking about the days when wires came insulated with fabric
> rather than plastic? :-P
>

No, varnish. :-P

-- 

Best Regards,
	Stephen

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