My Setup Aug 10, 2007 23:38:15 GMT -5 Quote Select PostDeselect PostLink to PostBack to Top Post by cfs on Aug 10, 2007 23:38:15 GMT -5 I own a Sinclair ZX-80 which has been upgraded to a ZX-81. Yeah, I invested in the 8KB memory chip for the upgrade. I never could get into using it because it wouldn't scroll. cfs