Saturn 128K RAM expansion for the Apple II plus

Finally I got the Saturn RAM expansion working. It was a stupid mistake with the ram addressing. Now the RAMTEST128K test program runs through without an error. The card is implemented in slot 5. A second card could be added if necessary.
To get it working some utilities are needed which can be obtained from here: Saturn 128K RAM Software. It includes programs like movedos, ramexpand and pseudo disk (ram disk).

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