Yes, the BIOS said, that "Simple COMM. Cntrl" uses 11 IRQ, the same as two "Serial Bus Cntrl".
If I take the modem out, the "Simple COMM. Cntrl" diasappears from the boot screen.
My motherboard is Soltek SL-75DRV4. I've turned the "PNP OS" option off. Boot. Turn it on. Boot once again. In...