Changes
checked this in the 90ies
Internal 512 KB RAM expansion for CPC6128 from german magazine '''c't, issue 10/1987'''. The DIY project name is '''CPC 6512'''.
One half (256K) of the total (512K) expansion memory can be accessed as Video RAM (with normal expansions, only 64 KB are accessible as Video RAM). So, the The c't expansion might be incompatible is compatible with [[Standard Memory Expansions]], or it might be a backwards-compatible variant with and provides the additional featuresCRTC feature, but it misses 64 KB usually addressed via I/O ports &7FFC, &7FFD, &7FFE and &7FFF.
== Technical ==
