The Original Chip Set for Amiga computers supported Hires (640) graphics with up to 16 colors and Lores (320) graphics in up to 32 colors, or HAM (Hold And Modify for all 4096 colors) out of a 12bit palette in either non-interlaced (200) or interlaced (400) graphics. Also supported in lores is a dual-playfield mode where one up to 8 color screen is overlayed over another. This chip set has support for up to 512kb of chip memory.