[tulip] [Newbie] Multiple DLINK DFE570TX info

Tim Dixon dixon@webwork.co.uk
Sat, 23 Sep 2000 13:12:38 +0100

> - Stability of the card ? Do the tulip drivers work fine and stable with
it ?
> - Old motherboard support. These boxes will not handle big amount of data,
> ethernet ports will be connected to 64, 128 and 256Kbps connections
> lines, RNIS lines, etc.). I am currently using a P133/32Mo and 3 3C509C
> cards. It works well but these computers are old and their PCI bus is
> not compliant with the latest technologies (ACPI, APIC, etc.) Could this
be a
> problem ?
> By the way, a little bit of education about what happens in this case ?
> the 4 ports on the same board be assigned the same IRQ ? On newer
> motherboard, I'll say no. They should be assigned virtual IRQs (16, 17,
> etc.). Am I wrong ? And on older boards (as mine) ?

We run a significant number of machines of various vintages with up to 5
cards in each. We've had no problems with the (latest) drivers - the
machines runs for months and months -  but some problems with motherboards
(relatively recent ones).

You're effectively putting 4 separate PCI devices into the box, so they'll
get an IRQ each and that's where we've had the most problems - there aren't
enough IRQs for each port to have its own and some motherboards seem to have
broken shared-IRQ handling. Whether this is a problem for you will depend on
the motherboard, the number of cards and what other IRQs are in use.

Tim Dixon
WebWork Division
TDC Networking Consultancy
Design Works
William Street
GB - NE10 0JP
Tel: +44 (0) 191 422 2232
Fax: +44(0) 191 422 2233
Web: www.webwork.co.uk