New subject: CESI PDP-8 CPU

3 May 1999

...
  Upon the date 01:45 AM 5/3/99 +0000, Lawrence LeMay
said something like:
 >I plan to scan in more of those CESI information sheets on boards that
 >they made for use in the PDP8/e computer. Is this the best way to do this,
 >or is there a better way?
 >
 >  http://www-users.cs.umn.edu/~lemay/pdp8_cesi.html 
I have a hazy memory of CESI, but I never heard about replacement PDP-8
CPU boards before.  Besides the obvious issue of cost, why were these
made?  I can see that with a 1.2uS cycle time, it's like a hex-high KK8E,
leaving you lots of room for peripherals, but is that the only benefit?
Did they integrate any I/O into the CPU module?  What's the 40-pin connector
at the top of the board for?

As for scanning issues, I'm not one of those people to harp on bandwidth
since I feed off of a cable modem.  I'm personally fond of compressed TIFF
files or PDF for B&W, and depending on if the document is for screen or
printer 75dpi to 300dpi for regular scans.

Thanks,

-ethan

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