external expansion which provides up to 2 MB FastRAM
16 DIP sockets for 512 kB or 2 MB RAM
takes 256k×1 or 1M×1 DIPs
upgrading to 2 MB requires two PALs to be replaced (both are socketed)
autoconfigures itself under Kickstart 1.2 or above, requires software under Kickstart 1.1
zero wait states
connects to the side expansion port
no passthrough connector
Notes
each DRAM chip location has two possible sockets to install the DIP chip in - 256k×1 chips install to the left (position A), 1M×1 install to the right (position B)
PAL chips for 2 MB are marked 311-14937 (position U9) and 311-14938 (position U12)