Changes
|#FBE8||?||[[Dk'tronics Real Time Clock]]||?||?
|-
|#FBE8||?||[[KDS_Electronics_Serial_Interface|KDS RS232]] 8253 Timer0 (RX Clock)||?Read||?Write
|-
|#FBE9||?||[[KDS_Electronics_Serial_Interface|KDS RS232]] 8253 Timer1 (TX Clock)||?Read||?Write
|-
|#FBEA||?||[[KDS_Electronics_Serial_Interface|KDS RS232]] 8253 Timer2 (not used)||?Read||?Write
|-
|#FBEB||?||[[KDS_Electronics_Serial_Interface|KDS RS232]] 8253 Timer Control||?-||?Write
|-
|#FBEC||?||[[KDS_Electronics_Serial_Interface|KDS RS232]] 6850 (reversed bit-order) Control||-||Write
