New 2MB RAM Memory Upgrade for Amiga 500 Computer 0.5MB CHIP + 1.5MB Slow 1334

Then both PCBs need to be connected by 2 PINs wire (included). - Option number 2 with soldering. After this one path on JP2 jumper on your Amiga 500 motherboard need to be cut. Also one wire need to be soldered from Gary Adapter to JP2 Jumper.