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Groups > comp.os.linux.hardware > #598

Serial Port PCI Card

From Alan Secker <alan@asandco.co.uk>
Newsgroups uk.comp.os.linux, alt.os.linux, comp.os.linux.hardware
Subject Serial Port PCI Card
Followup-To uk.comp.os.linux
Date 2011-08-24 18:44 +0100
Organization Aioe.org NNTP Server
Message-ID <j33d9m$mef$1@speranza.aioe.org> (permalink)

Cross-posted to 3 groups.

Followups directed to: uk.comp.os.linux

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My computer did not have serial port sockets so I purchased a PCI card.

# dmesg | grep ttyS

returned this.

serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
00:09: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
0000:03:07.0: ttyS1 at I/O 0xe800 (irq = 22) is a XScale
0000:03:07.0: ttyS2 at I/O 0xe480 (irq = 22) is a XScale

The card has two ports. From the above it looks like ttyS1 is not working. 
However I cannot tell which socket is which. Is there a convention as to 
which will be ttyS0 (COM1) or ttyS1 (COM2) i.e. the upper or lower?

I have serial modem plugged in an it is not responding hence my need to 
eliminate the unknowns as Donald Rumsfeld would have said.



-- 
________________________________________________
Mandriva 2010.2 (Official) for x86_64
Kernel 2.6.33.5-desktop-2mnb
KDE version 4.4.5
Rinning on an AMD 4-core processor

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Thread

Serial Port PCI Card Alan Secker <alan@asandco.co.uk> - 2011-08-24 18:44 +0100
  Re: Serial Port PCI Card Steve Ackman <steve@SNIP-THIS.twoloonscoffee.com> - 2011-08-24 12:06 -0700
  Re: Serial Port PCI Card Jasen Betts <jasen@xnet.co.nz> - 2011-08-25 08:59 +0000
  Re: Serial Port PCI Card Thierry Despeyroux <thierry.despeyroux@inria.fr> - 2011-08-26 08:13 +0200

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