This is Matthew Allatt's mediator serial driver, released with his
permission.

The driver uses the file IOConfig to list PCI devices to use.

Only the first port of multiple port cards is supported, and speed is not
great.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[unknown]                 1853    2811  65.9% -lh5- 4193 Sep 17 16:07 pciserial.device.info
[unknown]                   96     110  87.3% -lh5- 4791 Sep 17 14:24 pciserial.device/Install
[unknown]                  297     637  46.6% -lh5- 6f0e Sep 17 16:07 pciserial.device/Install.info
[unknown]                  211     742  28.4% -lh5- 857e May 14 14:35 pciserial.device/IOConfig
[unknown]                  670    1085  61.8% -lh5- dd02 Sep 17 16:07 pciserial.device/IOConfig.info
[unknown]                 4156    7656  54.3% -lh5- 54fc Aug  2  2002 pciserial.device/pciserial.device
[unknown]                 2456    5321  46.2% -lh5- efc4 Sep 17 16:07 pciserial.device/pciserial.device.info
[unknown]                  315     523  60.2% -lh5- 8354 Sep 17 16:30 pciserial.device/Readme
[unknown]                 1846    2781  66.4% -lh5- d692 Sep 17 16:30 pciserial.device/Readme.info
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         9 files   11900   21666  54.9%            Sep 17 12:00