A.Melon <(E-Mail Removed)> said:
>"Network Configuration > Network Adapters Configuration" wants the
>following information about the 3Com 3c501 adapter:
Please, do everything you can to find a more sensible adapter.
Some comments from the start of Linux 3c501 driver source code:
....
This is a device driver for the 3Com Etherlink 3c501.
Do not purchase this card, even as a joke. It's performance is horrible,
and it breaks in many ways.
....
Removed calls to init_etherdev since they are no longer needed, and
cleaned up modularization just a bit. The driver still allows only
the default address for cards when loaded as a module, but that's
really less braindead than anyone using a 3c501 board.

19950208 ((E-Mail Removed))
....
* There are a wide variety of undocumented error returns from the card
* and you basically have to kick the board and pray if they turn up. Most
* only occur under extreme load or if you do something the board doesn't
* like (eg touching a register at the wrong time).
*
* The driver is less efficient than it could be. It switches through
* receive mode even if more transmits are queued. If this worries you buy
* a real Ethernet card.
*
* The combination of slow receive restart and no real multicast
* filter makes the board unusable with a kernel compiled for IP
* multicasting in a real multicast environment. That's down to the board,
* but even with no multicast programs running a multicast IP kernel is
* in group 224.0.0.1 and you will therefore be listening to all multicasts.
* One nv conference running over that Ethernet and you can give up.
....
.... and I recall someone offering a (monetary, but small) reward on each
3C501 MAC-address ROM sent to him as a proof of a 3C501 card having been
decommissioned. This might've been around 1995, or so.
--
Wolf a.k.a. Juha Laiho Espoo, Finland
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