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Created page with 'Almost nothing known about this. == Info Fragment == Reportedly: DK-Tronics RTC module used a Z80-PIO chip to address the RTC itself as Port A of the PIO, with a 9-pin user i/…'
Almost nothing known about this.
== Info Fragment ==
Reportedly: DK-Tronics RTC module used a Z80-PIO chip to address the RTC itself
as Port A of the PIO, with a 9-pin user i/o port as Port B.
== I/O Ports ==
FBE0..FBE3 Dk'tronics Real Time Clock
FBE8 Dk'tronics Real Time Clock
== Info Fragment ==
Reportedly: DK-Tronics RTC module used a Z80-PIO chip to address the RTC itself
as Port A of the PIO, with a 9-pin user i/o port as Port B.
== I/O Ports ==
FBE0..FBE3 Dk'tronics Real Time Clock
FBE8 Dk'tronics Real Time Clock
