Nonvolatile RAM on single board computers

From: Dwight K. Elvey <dwight.elvey_at_amd.com>
Date: Wed May 19 11:50:53 2004

Hi
 I usually make copies on two diferent media. I make
a copy on another similar device and also a 3.5 floppy.
I keep these with the unit.
 Have you played with the SBC any? What kind is it?
These are always interesting to collect because of the
chalenges of locating software and documentation for them.
 I've been known to connect up a switch panel to a uP
socket and use this to determine the addresses of ports
and memory. I did this on a 80C186 machine and implemented
a Forth on it so that I could play with it.
 Development boards are also fun to play with. I have
a few of these.
Later
Dwight


>From: "SHAUN RIPLEY" <vax3900_at_yahoo.com>
>
>I have a SBC with nonvolatile RAM on it. There are
>DRAM and EPROM too. I guess the nonvolatile RAM might
>be used to hold some important parameters while EPROM
>is used to hold program.
>
>Since nonvolatile RAM has limited life, I wonder how
>you guys deal with nonvolatile RAM in your old
>computers. Reading out the content with a EPROM
>programmer is a solution that jumps into my mind.
>"Burn" a new nonvolatile RAM and wait for another 10
>years? It seems a boring work...
>
>vax, 3900
>
>
>
>
>__________________________________
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Received on Wed May 19 2004 - 11:50:53 BST

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