On Sun, 29 Jun 2003, Fred N. van Kempen wrote:
> It probably is an Ethernet MII interface connector, which was used
> on many SBus cards, for space reasons alone. The MII (Media Independent
> Interface) was a "generic ethernet" connector that could be used for
> 10, 100 and even 1000Mbps media, using a transceiver of some kind to
> connect the controller (chipset) to the media (cable), much akin to
> the old (10Mbps) AUI interface.
>
> Both of my SBus cards (one with dual Ethernet, the other Ether/SCSI)
> have MII connectors. You need an MII->UTP, MII->BNC or MII->AUI
> transceiver to hook it up, obviously. :)
Actually, no, it's not an MII interface. Those (at least the pair of Sun
ones I have) are wider connectors, similar to a high-density SCSI
connector. That connector is a mini AUI connector (or with the proper
cabel and setting on the board, it becomes a 10BaseT port. I don't have
one of those cables, however.) I don't think you could fit a SCSI
connector and an MII connector on the bracket of an SBUS card, anyhow.
IIRC, MII has about 34 pins. If I felt less lazy, I'd go look at the one
on my Ultra 1...
Fred, do you know what number (Xnnnn or 501-mmmm part number) those cards
with the MII connectors are? I'd like to see a picture of how they fit
the SCSI and MII connector on one card.
Pat
--
Purdue University ITAP/RCS
Information Technology at Purdue
Research Computing and Storage
http://www.itap.purdue.edu/rcs/
Received on Sun Jun 29 2003 - 12:08:00 BST