ec(4) - NetBSD Manual Pages

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EC(4)                     NetBSD Programmer's Manual                     EC(4)


NAME

     ec - device driver for 3Com Etherlink II (3c503) Ethernet cards


SYNOPSIS

     ec0 at isa? port 0x250 iomem 0xd8000 irq 9


DESCRIPTION

     The ec device driver supports 3Com Etherlink II (3c503) Ethernet cards.


MEDIA SELECTION

     The Etherlink II supports two media types on a single card.  All support
     the AUI media type.  The other media is either BNC or UTP behind a tran-
     sciever.  Software cannot differentiate between BNC and UTP cards.

     To enable the AUI media, select the 10base5 or aui media type with
     ifconfig(8)'s  `media' directive.  To select the other media (BNC or
     UTP), select the 10base2 or bnc media type.


DIAGNOSTICS

     ec0: wildcarded IRQ is not allowed  The IRQ was wildcarded in the kernel
     configuration file.  This is not supported.

     ec0: invalid IRQ <n>, must be 3, 4, 5, or 9  An IRQ other than the above
     listed IRQs was specified in the kernel configuration file.  The Ether-
     link II hardware only supports the above listed IRQs.

     ec0: failed to clear shared memory at offset <off>  The memory test was
     unable to clear shared the interface's shared memory region.  This often
     indicates that the card is configured at a conflicting iomem address.


SEE ALSO

     ifmedia(4),  intro(4),  isa(4),  ifconfig(8)

NetBSD                         October 20, 1997                              1