SIMM Stack 4.5 - This is a HyperCard stack which gives information on SIMMS for all types of Macs, Portables and Laserwriters. Memory information is given for each type of Mac / printer such as RAM Speed, SIMM type, On Board RAM, Number of SIMM slots, Supported size in MB, Maximum RAM, Virtual Memory, On Board VRAM, Number of VRAM slots and 32 Bit Addressing. Drawings of the mother board are included for most, providing the location of the SIMMs on the board. Useful for those interested in learning more about SIMMs. Composite SIMM info is also given. Includes information on the PowerMacs.