</gallery>
== Scanned Article ==
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* [[Media:Schneiderware V/24 3 - Serial V24 Interface.pdf|Schneiderware #3 V/24 (RS232 - Serial V24 Interface).pdf]] (- RS232 Interface - '''8/1986 pages page 70-77''', plus correction from 9/1986 page 80), final notes from 11/1987 page 98
== Datasheets ==
* [[Media:8253.pdf|8253 Datasheet]] - 8253 Timer Datasheet (slower clock, write-only control registers)
* [[Media:8254.pdf|8254 Datasheet]] - 8254 Timer Datasheet (faster clock, read/write-able control registers, otherwise compatible with 8253)
[[Category:Peripherals]]