Entry 1505: Blog: 1

Following the joy of discovering the A500 Plus was actually working
I decided to give the machine some space in the Workshop so that I
can check out further whether there are any serious issues. 

First problem I encountered is an issue with a RAM expansion card.
I added an AMRAM NC Issue 2 card made by Zydec. The machine does not
recognise the additional RAM sadly. More work needed here.

I fitted an original Amiga mouse [ see image below ] and that worked
without fault. I also sat the machine in a specially designed desk
tidy tray which is useful for sitting the monitor. I am testing
the machine with a Microvitec, though I will probably switch for
another as I use the Microvitec with an Amiga 1200.

Although the machine is Kickstart Version 37.175 2.04 v37.67 I am
running Workbench 1.3 at the moment as its simpler off a single DD.

I need to identify a small board fitted on the machine which I believe
to be a ROM switcher which may have been simply added to allow the
machine to access earlier games.

All in all a good second day with the machine and a whole heap of fun.

RAM Expansions / Zydec: Amram 500 (Amram 500+)

512k memory expansion for the A500 and A500+. The A500 version includes 
a battery backedup clock because the A500+ already has one on the motherboard. 
You can of course use either version on either the A500 or A500+. They include 
a memory switch for disabling the additional RAM, primarily for compatibility 
reasons with old software. 










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Last updated 16th May 2015


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