If PnP is assigning the modem to IRQ 10, then what /dev/ttyS* entry are you
using? Offhand, I don't know one that is set up for IRQ 10 (and what IO
ports is it assigning, I wonder).
Basically, you need to add in these steps:
1. Find out what IO ports the new modem is using. Look for this in
/proc/ioports (I think - I may have the name a bit off).
2. Just in case, make sure IRQ 10 isn't a conflict (some NICs use IRQ 10).
Check in /proc/interrupts as before.
3. Use setserial to set some otherwise unused /dev/ttyS* entry to the
appropriate IRQ and IOport address: e.g., "setserial /dev/ttyS12 irq 10 port
xxx", replacing "xxx" with the appropriate starting IO port address you
found in step 1.
4. Use setserial to probe the dev you set up in step 3 (e.g., "setserial
/dev/ttyS12") and see if it returns a UART type. If it did, you should be
set. If it didn't, somethign went wrong, either with these amended
instructions or the originals.
5. symlink /dev/modem to the S* you configured in step 3.
6. See if it works.
If you do need to post again, please include the make, model, and FCC ID (s
sticker on the board somewhere) of your modem.
At 10:35 PM 2/8/99 -0600, David Limon Romero wrote [portions only]:
>> 3. Make sure there isn't an interrupt conflict. If the modem is on S0 or S2,
>> check for anything else using IRQ 4. If on S1 or S3, check IRQ 3. To check,
>> enter "more /proc/interrupts" and look for an entry for the appropriate IRQ.
>> Possible conflicts can be your mouse or, in some cases, your NIC (Ethernet
>> card).
>
>my ISA modem work with IRQ 7, /proc/pci says that the new modem is IRQ 10,
>and doesn't has conflicts with other devices.
>
>> 4. Symlink /dev/modem to the appropriate actual dev. E.g., "ln -s /dev/ttyS0
>> /dev/modem".
>>
>ok, it's done
>
>> 5. Use setserial to probe /dev/modem ("setserial /dev/modem"). See if it
>> returns a UART type. If it does, its' found a modem (more exactly, it's
>> found a serial port, but if you have the right dev, that means it's found
>> the modem).
>
>it says that UART is unknown for PCI modem:
>/dev/modem, UART: unknown,
------------------------------------"Never tell me the odds!"---
Ray Olszewski -- Han Solo
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