RAMTRON FM1808 chip. Used to replace the original SRAM chip in the Saturn or N64 Expansion Pak, so you don't lose your saves once the battery dies.
Saturn Install:
Replace the original chip, lift pin 22 and connect it to ground.
N64 Install:
Direct replacement for the original chip.
Mega/Sega CD Install:
Replace the original chip, lift pins 1 and 26 and connect them to ground.
