0K Memory Expansion Adapter (250-5029) Features Faxback Doc. # 2040 The Zero K Memory Expansion Adapter is a special expansion board that enables you to increase the memory of your 4000 or 4000 LX computer to 4, 10, or 16 megabytes. The 32-Bit memory expansion board lets you easily increase your Tandy 4000's memory by two megabytes. Using the 32-Bit memory expansion board, you can expand the total system memory to four megabytes. The main logic board of your system must be full of RAM before the 32-Bit memory expansion board can be used. This board replaces (250-5030). (RJS/jlc-03/27/94)