TBA's RT8 Cartridge replacement for R-Time 8 cartridge for Atari 800/XL/XE machines Type:Stand Alone Replacement This will do it for

This will do it for you

The TK-II can either take over completely

TK-INTFC:  I want two keyboard jacks

but rather of the replicated chip

TBA's RT8 Cartridge replacement for R-Time 8 cartridge for Atari 800/XL/XE machines Type:Stand Alone Replacement This will do it forNOTE: Cases will no longer be included with the Stand Alone replacement. The Brewing Academy's RT8 stand alone replacement cartridge (RT8SA) or The Brewing Academy's TBA RT8 Drop in replacement (RT8DIR) is an automatic realtime clock calendar that plugs into your cartridge port. It can accept another cartridge into its built in slot, and its battery should last three to five years. The R Time 8 uses no cartridge memory and is decoded in memory