[rescue] DEC KA730, was Re: Electronics Recycling Day

Lionel Peterson lionel4287 at gmail.com
Thu Nov 19 11:42:19 CST 2009

On Nov 18, 2009, at 8:27 PM, Michael Thompson <michael.99.thompson at gmail.com 
 > wrote:

>> Not only is the hardware to run TOPS-10 (or TOPS-20, or ITS, for that
>> matter) rather scarce, it'd be cost-prohibitive to power it up. IIRC,
>> a KL-10B with MH10 external memory (256KW per 30" wide cabinet,
>> minimum 4 required for full 4-way memory interleaving), an RP06 drive
>> or two (176 MB each), a TU72 tape drive plus TX10 controller, and an
>> LP07 line printer  requires easily 200+A of three-phase 208V power.
>> The CPU itself uses a 100A 3-phase 208V connector.
> A KS-10 will run TOPS-10, TOPS-20, and ITS. With 512KW of RAM and an  
> RP06
> disk the total power consumption is about 3 kW. Mine costs about  
> $0.45/hour
> to run without A/C, so I don't run it often.

Honestly, I'd like to think I'd pay up to $10/hour to 'geek out' with  
such a setup on a rainy weekend, but I could probably count on one  
hand how many times it would actually happen... And have several  
fingers left over.

On a somewhat related note, I believe I read that Paul Allen was just  
diagnosed with cancer...


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