On Sequent Symmetry S81 and PC Jr.

From: Christopher Smith <csmith_at_amdocs.com>
Date: Fri Dec 14 13:25:36 2001

> -----Original Message-----
> From: Jochen Kunz [mailto:jkunz_at_unixag-kl.fh-kl.de]

> On 2001.12.14 18:08 Christopher Smith wrote:
>
> [Sequent Symmetry S81]
> > Drives, but I can probably handle that...
> What interface SMD?

Possibly, it's hard to tell since I'm not sure what an SMD interface looks
like. I could turn it over and check but I don't know what to look for. ;)

> > I believe that the system was board-for-board compatible
> with the S27,
> The Unix-AG once owned a S27 with 8 CPUs, 80MB RAM, 7 SMD disks,
> Exabyte, ... I know where the machine is now, including a complete set
> of OS software. If you get the machine working, ask me for software.

I certainly will.

> Don't expect much of that machine. I could get only 200kB/s via the
> Ethernet, the SMD disk controller could not handle more then 700kB/s.
> (The same disks can deliver more than 2MB/s on a Sun 3/260.) That is
> real poor for such a high end beast. I was really
> disapointed. But it is

Did you get the chance to find out how performance faired when you add more
CPU?

> nice to see an old 4.2BSD UNIX derivate with AT&T universe
> running on 8
> CPUs in a SMP config.

It is amusing for me to see _any_ intel cpu running in an SMP config, and
the fact that from what I've heard, Sequent made them do it fairly well,
intrigues me.

Regards,

Chris


Christopher Smith, Perl Developer
Amdocs - Champaign, IL

/usr/bin/perl -e '
print((~"\x95\xc4\xe3"^"Just Another Perl Hacker.")."\x08!\n");
'
 
Received on Fri Dec 14 2001 - 13:25:36 GMT