Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!asuvax!ncar!boulder!snoopy!rasmusse
From: rasmusse@boulder.Colorado.EDU (RASMUSSEN PETER BONHAM)
Newsgroups: comp.sys.tandy
Subject: Tandy 1000TX 128k upgrade.
Message-ID: <17894@boulder.Colorado.EDU>
Date: 7 Mar 90 16:29:47 GMT
Sender: news@boulder.Colorado.EDU
Reply-To: rasmusse@snoopy.Colorado.EDU (RASMUSSEN PETER BONHAM)
Organization: University of Colorado, Boulder
Lines: 15

Is there any benefit to adding the 128k upgrade to the 1000TX? 

I tried dropping four samsung 64k x 4 drams into the sockets, removing
the appropriate jumper to enable them, and watching for some increased
system memory that the TX was supposed to give back in terms of 
video memory space.  This didn't happen.  The boot rom says I have
768k, but DOS takes the same amount of space.

The tech. ref. manual seems to say that this bank of drams resides 
above 1 meg.  Does this mean it acts just like extended (expanded?) memory? 
Can I really use this, and if so, where can a get the driver for it?  

Thanks...
Pete Rasmussen.
Dept. of ECE, University of Colorado, Boulder.