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Date: Sat, 10 Feb 2018 22:05:07 +0100
From: Marek Krawczyk <marek@mky.waw.pl>
To: Per olof Ljungmark <peo@nethead.se>
Cc: freebsd-questions@freebsd.org, owner-freebsd-questions@freebsd.org
Subject: Re: VSCom PCIe-200 serial card
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W dniu 2018-02-10 11:58, Per olof Ljungmark napisał(a):
> Hi all,
> 
> I suppose I'm out of luck with this board?
> 
> none0@pci0:7:0:0:       class=0x070002 card=0x00000000 chip=0x035213a8
> rev=0x03 hdr=0x00
>     vendor     = 'Exar Corp.'
>     class      = simple comms
>     subclass   = UART
> 
> Is there a one or two port serial card that works in FreeBSD?

Have you tried puc(4) driver? 
https://www.freebsd.org/cgi/man.cgi?query=puc&sektion=4

There are definitions in sys/dev/puc/pucdata.c regarding VSCOM hardware:

const struct puc_cfg puc_pci_devices[] = {
[...]
         {   0x10b5, 0x1076, 0x10b5, 0x1076,
             "VScom PCI-800",
             DEFAULT_RCLK * 8,
             PUC_PORT_8S, 0x18, 0, 8,
         },

         {   0x10b5, 0x1077, 0x10b5, 0x1077,
             "VScom PCI-400",
             DEFAULT_RCLK * 8,
             PUC_PORT_4S, 0x18, 0, 8,
         },

         {   0x10b5, 0x1103, 0x10b5, 0x1103,
             "VScom PCI-200",
             DEFAULT_RCLK * 8,
             PUC_PORT_2S, 0x18, 4, 0,
         },

Regards,
Marek Krawczyk