The 1640 reminds me of the IBM 2011 with the power supply in the monitor
unit. There was an informative thread a while back on the mail list in the
spring of 1999 regarding the 1640. I have one but alas no K-B. I did win one
on e-bay but was never able to get a reply from the seller.
 I also have a PCjr and like you don't have the PSU. They come up on e-pay
occasionally but either I haven't had the money at that time or else the seller
wouldn't ship to Canada. I have managed to acquire some manuals for it,
including the IBM one, however, as well as some cartridges but they are
buried somewhere among my stuff which is still in disarray due to my move
this summer. When I run across them I'll let you know.
 Lawrence
  Went to a new thrift store this week.  Ended up with
way more stuff
 than I expected to.  The big items were a complete Amstrad PC 6400
 (8-bit PC clone, dual half-height floppies, 3 ISA slots, proprietary
 monitor that powers the base through a monster DIN connector,
 proprietary keyboard with 9-pin joystick connector) and a nearly complete
 PCjr w/128K and parallel port sidecars (got non-chicklet keyboard w/cable
 and CPU, but no PSU).  How much should a PCjr PSU  run me? What cartridges
 were there for it?  The company I used to write kids games for (Software
 Productions - makers of "Alphabet Beasts and Company, Micro Mother Goose,
 Micro Habitats, etc.) did support it, but I was the C-64 dude, not the
 PeeCee dude.  (ob digression: when the company closed, we _did_ hold the
 door open with the PCjr - it really was a doorstop ;-)
 The scary part is that the Amstrad was about triple the cost of the Peanut
 (~$6 (after markdown from $11) vs ~$2).  I guess size does matter.
 So far in my digging, I've found that the Amstrad PC 6400 is the
 American name for the Amstrad PC 1640, and I found a good Amstrad
 resource at 
http://web.ukonline.co.uk/cliff.lawson/index.htm
 Any other good tips?
 -ethan
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