Testing Power Supplies! Re: Norsk Data Nord-10/S restoration

Philip Pemberton philpem at dsl.pipex.com
Mon Nov 15 19:07:57 CST 2004


In message <20041116002524.GA29431 at bos7.spole.gov>
          Ethan Dicks <dickset at amanda.spole.gov> wrote:

> I'd love to find a 74L00 for my Popular Electronics Elf... an 'LS00 works
> fine in this design, of course, but the whole point was to be historically
> accurate, and the article to add a 1861 _does_ list a 74L00.
> 
> The actual machine in question is not a classic, but the design certainly is.

By "Popular Electronics Elf", I assume you mean the COSMAC Elf? 256 bytes of
RAM, two HP hexadecimal LED displays (I used TIL311s instead), toggle-switch
data input and a CDP1802 CPU :)
I built one - nice little machine. Never really used it though.

Later.
-- 
Phil.                              | Acorn Risc PC600 Mk3, SA202, 64MB, 6GB,
philpem at philpem.me.uk              | ViewFinder, 10BaseT Ethernet, 2-slice,
http://www.philpem.me.uk/          | 48xCD, ARCINv6c IDE, SCSI
... DOS Tip #3 : Don't use DOS.



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