Memory Expansion Board (260-5161) Features Faxback Doc. # 2044 This board adds 128K of random access memory to any 256K Tandy Model 2000. You can install up to two boards and two 128K RAM Upgrade Kits (26-5162) to expand memory as needed. Note, however, that memory must be added in the following order: 1. Install an External 128K RAM Board to expand memory to 384K. 2. Upgrade the first board, using the 128K RAM Upgrade Kit (26-5162), to expand memory to 512K. 3. Install a second External 128K Board to expand memory to 640K. 4. Upgrade the second board to expand memory to 768K. (RJS/jlc-03/28/94)