Davicom 33600 Modem Setup

I have internal modem Davicom 33.600. I tried to configure it with isapnp and I saw Linux found my modem. I use Linux RedHat 6.1. Can you tell me how to set my modem with isapnp? I have isapnp.conf file which contains information about my modem,but which one I should choose?
While the computer boots, in the table with ISA PNP devices I find my modem set on IRQ 10. But if I choose from isapnp.conf a configuration I get an error message about proc/interrupts (could not allocate 8 bit at 2e8...).
Can you tell me how could I handle this error or where I can find a driver for this Modem?
n_alexandruAsked:
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biardCommented:
Do you know the hardware settings for your modem?  If it is jumperable, I would disable plug and play and set it to one of the following not already in use by the serial ports:

3f8 irq4
2f8 irq3
3e8 irq4
2e8 irq3

These are just the standard port settings for serial devices.  If you set it to 2e8, as it seems to be currently, then you (on your distribution of Redhat, which has kernel 2.2.x) need to tell linux to access it on port ttyS3 which corresponds to com 4 (or port 2e8).
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biardCommented:
Are you there?  Didi this work or did you solve it otherwise?
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