The PCMCIA serial card device driver supports asynchronous serial I/O access to any PCMCIA card that that complies with Revision 2.1 of the PCMCIA Standard and which presents an 8250-type UART interface.
dial-out devices where: n is the PCMCIA physical socket number.
The driver's character input ring buffer overflowed before it could be serviced.
The CIS on the card has incorrect information or is in an incorrect format. This message usually indicates a non-compliant card.