RetroReplay/RR-Net + REU problem

From: Niklas Ramsberg (
Date: 2003-09-30 18:12:35

Hej allihopa!

I bought a Datalux SV-703 cartridge expander in the hope of being able 
to use my RetroReplay/RR-Net combo together with my 512K REU, but so far 
they're not happy together.

The expander has three ports and a switch that switches +5V (pins 2 & 3, 
which are shorted on the card edge), GAME (pin 8) and EXROM (pin 9). All 
other pins on all ports stay connected all the time.

When I switch to the RetroReplay, everything works fine, but the 
computer doesn't recognise the REU. When I switch to the REU, the screen 
goes blank and the disk drive keeps spinning with the read LED on. The 
REU works fine when I physically remove the RetroReplay.

The latest RetroReplay firmware is supposed to be REU friendly.

Is it possible to hack the expander to make it work as expected?

I use a PAL C128 with JiffyDOS if that makes any difference.

/Niklas Ramsberg
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     (:)  Bacon
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