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+The GW4401A 64-pin ROM SIMM replaces the ROM SIMM of a 
+Macintosh II-series or Macintosh SE/30 computer. 
+GW4401A comes preprogrammed with a customized 
+Macintosh ROM which enables 32-bit clean addressing 
+as well as a 1.5 MB ROM disk preloaded with System 7.0 
+and various utilities.