On Wednesday 05 December 2001 10:50 pm, Hylton Conacher (ZR1HPC) wrote: > I have recently purchased a new machine and have had to take it back to > the store as the modem is giving me hassles. The machine is an AMD > Thunderbird 1Ghz with what I believe, or have been told is, a Creative > modem 56kb/s in it. > > I have paid for the machine but feel that as they knew it was going to > only have Linux (Mdk 8) on it that they should have made sure the > hardware supplied i.e. the modem worked under Linux without having to > disable Com 2. > > Can anyone confirm/deny that the conflict is there? Surely a brand new > machine needn't have part of its hardware, Com 2, disabled for it to > work with a modem? Is the make of the modem the problem i.e. is it a > winmodem or semi winmodem? > > Comments please as I am due to pick up the machine tomorrow or perhaps > later today. > > TIA The modem card should work from any of the serial port positions. PnP may have put it at 2 or at 4. Possibly the card doesn't like to share an interrupt COM1 and COM3 are on IRQ4 and COM2 and COM4 are on IRQ3. It is actually rather important for a modem to have its own IRQ for best performance.
See http://cae.best.vwh.net/irqtune/ for more reasons on why this is so and also for a most useful utility to make modems perform better. Since there are other considerations for performance adversely affected for network-connected PCs if this tuning is done, no distro does it out of the box. Civileme
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