Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.csd.uwm.edu!bionet!ames!rex!hoang
From: hoang@rex.cs.tulane.edu (Dzung Hoang)
Newsgroups: sci.electronics
Subject: Configuring memory for Quadram Microfazer Printer Buffer (HELP)
Message-ID: <1078@rex.cs.tulane.edu>
Date: 2 Sep 89 04:14:43 GMT
Reply-To: hoang@rex.UUCP (Dzung Hoang)
Distribution: usa,uk
Organization: Computer Science Dept., Tulane Univ., New Orleans, LA
Lines: 23


    I just bought a used Microfazer printer buffer by Quadram.  The seller
said it has a capacity of 64K, but when I opened buffer, I found 16 64K
RAM chips, indicating 128K.  The circuit board is marked Microfazer
BUFFER 512K.  The memory chips are socketed and in two banks of 8.  I assume
that the board was designed to be expandable in terms of memory: by replacing
the 64K chips with 256K chips, I could have a 512K buffer.  If this were so
then there should be some sort of configuration switches for the memory.  The
only such possibility is an empty 24-pin socket labeled J3.  Since I don't
have any documentation for the buffer, I have no idea how to use the socket
to configure the buffer.

    If you have this buffer and the documentation would you please send me
information on the socket and memory configuration?  Other operation
instructions would also be appreciated.

Dzung Hoang
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