On Tuesday 06 July 2004 08:31 am, nut megger wrote:
> Story: continued three month long serial device saga.
>
> Problem: cannot use external modem on serial port on
> ThinkPad X21 Ultrabay
>
> Latest attempts (using Fedora Core 2, Mandrake 10.0,
> Mandrake 9.1, SuSe 9.1):
>
> 1. BIOS: serial port enabled
>
> dmesg | grep tty recognizes ttyS0 at I/O 0x3F8 (IRQ=4)
> is a 16850A
>
> minicom cannot see modem on ttyS0 (no error message,
> no nothing, echo on)
>
> 2. BIOS: serial port moved to 2E8 IRQ3
>
> dmesg | grep tty recognizes ttyS3 at I/O 0x2E8 (IRQ=3)
> is a 16850A
>
> minicom cannot see modem on ttyS3 (no error message,
> no nothing, echo on)
>
> Conclusion: still cannot use Linux to access external
> modem on serial port of ThinkPad X21 UltraBay
>
> Aside: I�m getting real good at loading different
> Linux distributions from scratch (fedora core 2 is the
> easiest and quickest)
>
>
>
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If I recall correctly IRQ 3 should be ttyS2.   ttyS0 is IRQ 1, ttyS1 is IRQ 2 
etc. HTH
-- 
Dennis M. Linux user #180842

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