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config com irq
From Quake Wiki
Template:underscore-lowercase-underscores
| Default value: | "4" |
| Saved to config.cfg: | yes |
Versions: NormalQuake
This variable holds the IRQ number of the com port when using serial connections (modem or null modem). Serial communications are not supported in WinQuake or GLQuake and this variable remains unused in those ports, however Linux and DOS ports are capable of serial communication.