Everything You Always Wanted To Know
But Were Too Polite To Ask
Amiga Technical ReferencesCommodore A2058 RAM Expansion
The Commodore A2058 is a Zorro II 16-bit card that will configure its memory within the 8 meg AutoConfig (TM) space.
The board can be populated with either 2, 4 or 8 meg of RAM using 1 Megabit by 1 DRAMs, 120ns or faster.
J1 J2 Memory Size Locations Closed Closed 2 Meg Surface mounted Closed Open 4 Meg U16-U30 (every other one) and U55-U62 Open Open 8 Meg All locations Open Closed ** When the 2058's auto-config hardware is disabled, the board can be automatically configured independantly of the Amiga OS. This is a board diagnostic mode only.