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PA2AGA > TCPDIG 22.08.96 00:33l 150 Lines 4860 Bytes #-10912 (0) @ EU
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Subj: TCP-Group Digest 96/166B
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Date: Wed, 21 Aug 96 19:19:36 MET
Message-Id: <tcp_96_166B>
From: pa2aga
To: tcp_broadcast@pa2aga-1
Subject: TCP-Group Digest 96/166B
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stack with no external access whether standard or otherwise.
-- Mike, N1BEE
------------------------------
Date: Mon, 19 Aug 1996 09:36:55 +0100 (BST)
From: Alan Cox <alan@cymru.net>
Subject: Question ?
> 4.4BSD as well). It's about the performance of a 386dx40 or a low end
> 486. Not useful unless you have the licence for the OS as well as the
> box.
If its a typical Digital license you'll have a 2 user license implicit
with the box. It should also run NetBSD if you are lucky. The Linux ALPHA
port won't run on such boxes as its I believe turbochannel not PCI.
As to performance - if its one of the Alpha ones its very good for floating
point work.
Alan
------------------------------
Date: Mon, 19 Aug 1996 10:16:36 EDT
From: "Ralph R. Swick" <swick@x.org>
Subject: Question ?
Tom n1kio@gw.n1kio.ampr.org wrote on Sun, 18 Aug 96:
DEC 3100 Model PM20ACA ?
I'll bet it says "DECstation 3100" on the front. The model number
PM20A-CA corresponds to a DECstation of 1989-1991 vintage using
a MIPS R3000 (32-bit RISC) processor. (Not the same thing as
a "DEC 3100" which would be a much more recent vintage beast with
an Alpha processor).
The supported OS for this workstation was Digital's Unix variant
called Ultrix. All the standard Unix program development tools
and networking stuff came bundled in (as Unix should be :-).
These machines were quite popular, especially in university
research circles. I'm sure there are many still in service.
As with anything in the computer industry that's 7+ years old,
technology has outpaced it. But you'll find built-in Ethernet
("thin" and "thick") and SCSI interfaces.
-Ralph kd1sm
------------------------------
Date: Mon, 19 Aug 1996 13:20:05 -0400
From: "Louis A. Mamakos" <louie@UU.NET>
Subject: Question ?
> Tom n1kio@gw.n1kio.ampr.org wrote on Sun, 18 Aug 96:
>
> DEC 3100 Model PM20ACA ?
>
> I'll bet it says "DECstation 3100" on the front. The model number
> PM20A-CA corresponds to a DECstation of 1989-1991 vintage using
> a MIPS R3000 (32-bit RISC) processor. (Not the same thing as
> a "DEC 3100" which would be a much more recent vintage beast with
> an Alpha processor).
>
> The supported OS for this workstation was Digital's Unix variant
> called Ultrix. All the standard Unix program development tools
> and networking stuff came bundled in (as Unix should be :-).
>
> These machines were quite popular, especially in university
> research circles. I'm sure there are many still in service.
> As with anything in the computer industry that's 7+ years old,
> technology has outpaced it. But you'll find built-in Ethernet
> ("thin" and "thick") and SCSI interfaces.
You'll find it's a "not-bad" system for the era.
The biggest wart is that the SCSI interface is relatively low
performance compared to the rest of the periperhals on the machine.
There's actually some amount of memory on the SCSI interface, the the
driver has to copy the data using programmed I/O on and off the
buffer. It's sort of the NE2000 of SCSI interfaces.
louie
------------------------------
Date: Mon, 19 Aug 1996 21:46:41 -0400 (EDT)
From: Jim Durham <durham@durham.UCSD.EDU>
Subject: Question ?
On Mon, 19 Aug 1996, Alan Cox wrote:
> > 4.4BSD as well). It's about the performance of a 386dx40 or a low end
> > 486. Not useful unless you have the licence for the OS as well as the
> > box.
>
> If its a typical Digital license you'll have a 2 user license implicit
> with the box. It should also run NetBSD if you are lucky. The Linux ALPHA
> port won't run on such boxes as its I believe turbochannel not PCI.
>
>
I was wondering about NetBSD also, so I checked the Web for some info.
(I'm a FreeBSD'er myself and not all that familiar with NetBSD).
Looks like the latest NetBSD is 1.0, and it doesn't support 3100's. 8-( .
Maybe there's a newer version?
-Jim Durham
------------------------------
End of TCP-Group Digest V96 #166
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