> I understand [the SS1+]'s got Ethernet on-board.

Yes (as you can see from the AUI port on the back).

> I'm wondering what chip is used and whether an S-Bus card might be
> available with the same chip (to save having two different ethernet
> drivers in the kernel).

The LANCE (the 7990 variant, I think) - the le driver.  Yes, various
SBus le cards exist, often with a SCSI interface on the card as well.

In passing, why would it bother you to have two different Ethernet
drivers in the kernel?

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