On Mon, 3 May 2004, Joe R. wrote:
      IIRC they were 256k, 8088 CPU and dual DS disk
drives and that was it. 
  The Portable II was 40% smaller and lighter and had
640k of RAM.  I think a 
Between the original and the II, there was a "Portable
286", which was
ALMOST the same as the original, but with a 80286 motherboard, etc.
(The II was also 286)
  hard drive was available in the P-II but I don't
know if that was from the
 factory or a third party job. 
factory
but third party was fine - other than having a very limited list of "drive
numbers", which didn't exactly match the IBM AT list, the hard drive could
take ordinary 506/MFM drives.