MicroVAX 3100 setup

[Richard Witkopp]

In the words of Roseanne RoseannaDanna, you ask a lotta questions!

I forwarded them on to a buddy of mine that works at DEC support,
and these are his answers:

	Questions:
	1.	How do I connect this thing to our TCP/IP LAN so that I can
log into
	our network from home and use the VAX?

	UCX  (or other vendor equivalent) is the only way to have an IP
stack on 
	VMS 5.4-3. You would have to remedy the expired UCX license for 
	this to be enabled. This product is currently known as Digital
TCP/IP
	services for OpenVMS.  (Editor's note: You'll probably want to
	make it a node on a LAVC?)

	2.	What upgrade paths do I have?  We will probably install a
newer
	version of VMS but the main client is still using PH 5.12C.

	The MicroVAX 3100 should be supported up through the current release
	of OpenVMS VAX (7.1)  

	3.	Has anyone got a later MicroVAX they want to sell?  E.g.
MicroVAX
	3100 Model 85 or 88, etc. or even a 4000 series.

	Nope.  (Editor's note: There used to be quite a market in used DEC
	stuff, haven't paid attention lately. Check 'puter rags like DEC
	Professional, etc.)

	4.	How can I tell what model I have here?  (10,10e,20,20e,etc)
	From OpenVMS, a write sys$output  f$getsyi("hw_name") 
	probably won't distinguish the model. If you were told that the
	system supports disks greater than 1GB, then you have either
	a 10e or a 20e.  From the console prompt, you can enter a
	>>> T 50    
	The first line should be KA41-D  V1.0 if you have a 10e or 20e.  
	If the first line reads KA41-A, then you have the 10 or 20.
	 
	5.	Where can I get a diagram of what's inside it?  What are all
the
	sockets for?
	Unknown. Can't find anything online for these older systems.



	 

	6.	What's the difference between an Ethernet 10Base2 vs 10BaseT
	adaptors/connectors?

	10Base2 (also known as thinwire ethernet) is 50ohm coax cable with
	a BNC connector.  Systems are  "daisy chained" using T connectors. 
	10BaseT is twisted pair wire with an RJ45 connector.  10BaseT
requires
	a hub when multiple systems are on the lan.  


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