museum / 1985 - Microbee 128K SBC (Premium Series) anatomy. (move mouse over image)

 * This example is of a 128k Premium series, modified to support external hard disk controller, 
   (Western Digital WD1002-05 Winchester/Floppy Controller) and fitted with a Zilog 8530 SCC chip 
   with additional ports for high speed serial transfers. Also fitted with a Real Time Clock.