Apple lc 520.550.575 Servicehandbuch
Specifications
Memory - 3
VRAM
512K of VRAM on board (displays up to 256 colors or 8-bit
color)
Expandable to I MB (displays up to 32,000 colors or 16-bit
color)
68-pin VRAM SIMM connector (LC 520)
Two VRAM SIMM slots (LC 575)