Nur englische Beschreibung vorhanden:
- expands the A1000 with 512 kB Fast RAM
- four 256k×4 DIPs
- can be installed into A1000 PAL models only
- connects into the sockets of six motherboard chips at location U1G, U1H, U2G, U2H, U3G, U4G
- installing requires soldering
- disable switch