A while back I offered an old Motorola 6871A clock chip for the 6800 - it went fast. Now I dug up an MC6870A - apparently the same thing, but slower (614.4 KHz). Anyone need it for pocket change and shipping? $3.00 cash gets it to your door. Act quickly, as in ten days I am going on vacation! William Donzelli aw288(a)osfn.org