Re: [midatlanticretro] Classic Ethernet for VCF-E?
- On 04/30/2012 03:18 PM, s100doctor wrote:
>> On 04/30/2012 03:01 PM, s100doctor wrote:It comes out to an AUI interface on a DB-15, as most (probably all)
>>> Ethernet? *Ethernet*? Wasn't this a discussion about "exhibits"?
>> My PDP-11/70, circa 1975, has an Ethernet interface. ;)
> Actually, this is a good point. You've got some kind of 10bT
> capability, right? Does it come out to DB-15 or BNC or what?
pre-desktop DEC machines do. I use a 10baseT transceiver from that.
> Likewise, the SGI exhibit runs 10bt or 100bT through twisted-pairWell, my PDP-11/70 is running RSTS/E, for which no TCP/IP support
> RJ45's. It's possible Mike Loewen's HP's may have some sort of
> Ethernet. And someone may bring something else with some kind of
> TCP/IP support.
> What would it take, to have a local Ethernet "backbone" through the
> exhibit area? Just enough that the 11/70 might be able to "ping" the
> SGI Indigo 2, at least? Seems to me, it would be prudent to isolate
> those systems from the Infoage "network", or only have one point of
> crossover. Smarter network persons than I, will know what it will
> take to do this.
exists. It does speak DECnet, however.
What you suggest is, otherwise, a great idea IMO. The isolation you
seek can easily be achieved using VLANs.
> As a concession, I'll bring a S-100 card that supports "networking",Oh, which one?
> but it might not be Ethernet. Not that I'll run it, but people can
> gauk at the technology....;)
>>> Also, I have some of those COSMAC 1802 kits I brought last year,Ok. I am swimming in parts here, even tubes and tubes of 1802s, so
>> Hey, can you bring a set of bare boards for me?
> That was quick! I suppose I could sell a board set, but I'm offering
> partial kits with the IC's and a few parts too. Contact me directly
> about this, but you can also get the boards by postal mail as well.
I'd really prefer just bare boards if you're willing.
Dave McGuire, AK4HZ
New Kensington, PA
- Neil Cherry <ncherry@...> writes:
>--3CXBIGrbOV8KduZw-ZUy5fHna8NbtrbPBy7ylX6 Content-Type: text/plain;Pretty much so...
>charset=ISO-8859-1 Content-Transfer-Encoding: 7bit
>The good news is that if we can get our hands on some Vintage Cisco
>routers we can pretty much network anything that supported Ethernet
>formatted packets. At layer 2 the Ethernet packets are all the same, as
>far as dumb layer 2 devices are concerned (this applies to anything that
>used 10Base2, 10Base5 or 10BaseT).