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The Atari 130-XE was first shown at the Winter Las Vegas Consumer
Electronic Show in 1985 (with the Atari 130 ST), it has the same
characteristics as the Atari 800 XL except its added memory
(128 KB instead of 64 KB for the 800 XL). 
The extended memory can be used as a RAM disk, or can be accessed
by bank switching routines. 

It was an attempt to extend the life of the old XL series, but Atari
abandoned it pretty quickly to concentrate on promoting the ST series,
which uses the same case style. 

Several XE machines were also produced : 
- the Atari 65-XE (which is exactly like the 800 XL, except for the
  rear parallel connector, which it doesn't have),
- the Atari XE Game Console (1987) which is a 65-XE with an optional
  detachable keyboard. It was Atari Corp.'s attempt to do what they
  felt the 5200 should have been. 
- the 65-XEM (a computer with a special custom sound chip called "Amy").
  Reports stated that the Amy chip sounded better than the Commodore
  64's SID chip (!). This machine would never be released, 
- the 65-XEP (Atari's answer to the Commodore SX-64, it would never
  be released either),
- and a modified 65XE was sold in Europe as the 800XE. 

The Atari 65-XE and 130-XE will have a very short life due to the
16 bit home computer competition. 
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(www.old-computers.com)