DTK Computers
Technical Information Sheet for PTI-223C
S=shorted, O=open DIP switch 1=on 0=off
J1:IRQ Control J6:Monitor Detection Control
1-2 S Enable use of IRQ9 1-2 S Standard Monitor
2-3 S Disable use of IRQ9 2-3 S Non-standard Monitor
SW3:Scan Rate J2:Bus Detection
O 48.7Khz O Autodetect
S Default Scan Rate S Disable Autodetect