[vortex] Tyan Thunder K7 S2462 Dual 3c59x

[Heflin, Roger A.]

The Tyan Thunder K7 has 2 built-in 3C982 ports.

The subject Problem with 3c982 Cyclone network card is the problem I am
having,
but is on the same motherboard+network interface.

This board is I believe generally used in 1U machines, it has video, and
dual
network built in, and has the memory slots at an angle.  It is a dual
AMD MP760
chip set board.

We are only using the first interface, but are having some issues with
speed
and reliablity on the single interface.

				Roger

> -----Original Message-----
> From:	Donald Becker [SMTP:becker@scyld.com]
> Sent:	 1/ 15/ 2002 1:13 PM
> To:	Martin Siegert
> Cc:	vortex@scyld.com
> Subject:	Re: [vortex] Tyan Thunder K7 S2462 Dual 3c59x
> 
> On Tue, 15 Jan 2002, Martin Siegert wrote:
> 
> > On Mon, Jan 14, 2002 at 09:24:09PM -0700, Maurice Hilarius wrote:
> 
> > > >00:0f.0 Ethernet controller: 3Com Corporation 3c982 Dual Port
> Server Cyclone
> > > >(rev 78)
> > > >         Subsystem: Tyan Computer: Unknown device 2462
> ...
> > > >00:10.0 Ethernet controller: 3Com Corporation: Unknown device
> 9807 (rev 78)
> > > >         Subsystem: Tyan Computer: Unknown device 6301
> ...
> > > >The first device (ID 9805) installs just fine. The second (ID
> 9807) refuses
> > > >to be recognized.
> 
> Hmmm, perhaps I made an incorrect assumption.
> I was guessing that the first was a PCI plug-in card, while the only
> the
> second was on the motherboard.
> 
> Are both of these on the motherboard?  Both use a Tyan subsystem ID.
> 
> If both are on the motherboard, they should both have the same PCI ID.
> 
> Note the "982" ID first showed up on a dual port card.  I assumed that
> it meant "980" with "2" ports.  There have been reports that "982" has
> been used with single port server boards as well.
> 
> The problem vortex-diag has with reading the EEPROM is likely that the
> board design is missing a bias resistor that allow the driver to
> figure
> out the serial EEPROM address size, 6 or 8 bits.  If it's on a
> Tyan-designed motherboard, it's very likely that Tyan skipped that
> section on the hardware design guide because they didn't understand
> why
> the resistor was needed.
> 
> Donald Becker				becker@scyld.com
> Scyld Computing Corporation		http://www.scyld.com
> 410 Severn Ave. Suite 210		Second Generation Beowulf
> Clusters
> Annapolis MD 21403			410-990-9993
> 
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