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Message-ID: <470BD5C1.4010804@pcburn.com>
Date: Tue, 09 Oct 2007 15:25:53 -0400
From: Chris Bergeron <chris@...urn.com>
To: Lennart Sorensen <lsorense@...lub.uwaterloo.ca>
CC: linux-kernel@...r.kernel.org
Subject: Re: Syba 8-Port Serial Card Unidentified By Kernel
Lennart Sorensen wrote:
> On Fri, Oct 05, 2007 at 05:31:05PM -0400, Chris Bergeron wrote:
>
>> I've just installed a multiport serial card released by an outfit called
>> Syba. This is an 8 port serial-only card with an Octopus style breakout
>> cable. The main chipset on it is an ITE IT8871F.
>>
>
> Well 8250_pci.c mentions IT8871, so it is probably 8250 style in
> interface then.
>
>
That's what I had thought too after a quick LKML search. Doing a bit
more research (I'm starting to think the IT8871F on the chip is
misleading) it looks like that support is for a single parallel multi
I/O card (with the other 887x cards being serial/parport PCI cards).
>> I've got two questions on this: Is there a driver I should try force
>> loading on it (and if so, what options to use)? and is there any useful
>> testing I can do to report back to the LKML on this card?
>>
>
> How many serial ports is your kernel configured to use?
>
The kernel I'm using has 16 for both the NR_UARTS and RUNTIME_UARTS
(these machines generally have a minimum of 4 ports). dmesg doesn't
show the kernel as recognizing the card and only ttyS0 and ttyS1 (the
two onboard ports) show up on boot.
-- Chris
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