ocr: Macintosh Plus Memory Configurations (SIMMS mustbe 150 NSRAS-access tme ort faster, and the same speed withhn a row.) 0 System Memory Size: 512K Bytes JHO SIMMS Configuration U Row 1 (SIMMS 142): 256KB Row2 - (SIMMS 344): Not Instaled 3000 RAM SIZE Resistors 20K BIT (RB): 150 Ohms ONE ROW (RSY 150 Ohms H a 0 - System Memory Size: 1MBytes - a SIMMS Configuration atoo Row 1 (SIMMS 142): 256KB Row: 21 (SIMMS 344): 256KB 000 RAM: 20K SIZE BIT (RB): Resistors 150 Chms ONE ROWI (RSY Not Installed KOP - L System Memory Size: 2MBytes - a LF a 5 U NO SIMMS Row (SIMMS Configuration 142): IMB - Row 21 (S ...