PDP8 power supply G8018

woodelf bfranchuk at jetnet.ab.ca
Tue Apr 19 19:47:30 CDT 2005


Tony Duell wrote:

>OK, being tactful : BLETCH!
>
>To me, the power supply is as much a part of the original design as the 
>CPU, the I/O boards, the peripherals, etc. If you don't care about 
>keeping the hardware as original as possible, then you might as well run 
>an emulator on a PC.
>
>The PDP8/A power supply schematics exist (are they on bitsavers?). Why 
>don't you work out what's wrong with it and repair it properly.
>  
>
Another factor after reading many posts here, is power supplies often 
have power
on -- power off sequences for core and other computer logic : Power fail 
IRQ for example.
 A modern PC power supply may not have that.



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