1200HD/A  (250-3000/A)              Memory             Faxback Doc. # 1963

Note: Refer to Faxback Doc. # 1962 for setting changes for memory upgrade.

Expand from 256K to:

                       640K

Main Logic Board    2 X 25-1079   
                    2 X MX-6796

Note: You must remove all eighteen 64K DRAMS (U79-U87 and U100-U108)
      to continue with expansion.

Note: The 1200A can be easily identified by the number of expansion slots
      (7).

The 25-1079 consists of 8 256K X 1 DRAMS at 150 nanoseconds.
The MX-6796 consists of 1 256K X 1 Drams at 150 nanoseconds.