BeebMaster - BBC Master Compact with Mertec Expansion Unit



Using the
Mertec Companion


There is no Real-Time Clock in the Master Compact, the CMOS RAM and clock chip is replaced with an Electronically Eraseable Programmable Read Only Memory, or EEPROM, to hold the status settings.

Instead, a dummy time of the final second of the twentieth century is returned and cannot be changed.



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