[rescue] rescue Digest, Vol 193, Issue 1

Michael Thompson michael.99.thompson at gmail.com
Sun Dec 2 08:20:16 CST 2018

You can use both a TTL and an ECL monitor on a 2/120 depending on which
video board is installed. One of the video boards has a switch to select
TTL/ECL and one I believe is TTL only. Your video looks reversed, so you
might have the wrong monitor or switch setting. I have an ECL monitor on
mine, and the video is reversed because the TTL part of the video board is

I have 2x 80 MB ESDI disks in the top of the CPU chassis on a ESDI-SCSI
adapter and an expansion cabinet that contains 2x Hitachi 124 MB 10" SMD
disks. I need to recap the power supply in the disk cabinet because it will
only power one of the two drives. There is a 20MB cartridge drive in the
top of the CPU cabinet, but I haven't been able to get it to work.

I also have a dimple-top 2/50 as a diskless client on the 2/120.

I have a color video board for the 2/120, but need to make some coax video
cables to go between the board and a monitor. I think that the resolution
is 1024x1024 so it didn't use a standard Sun monitor.

On Sat, Dec 1, 2018 at 1:00 PM <rescue-request at sunhelp.org> wrote:

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> Today's Topics:
>    1. Re: Sun2/120 SunOS 3.2 suntools movie (was: advise on Sun2
>       disk install) (Walter Belgers)
> ----------------------------------------------------------------------
> Message: 1
> Date: Sat, 1 Dec 2018 12:34:10 +0100
> From: Walter Belgers <walter+rescue at belgers.com>
> To: The Rescue List <rescue at sunhelp.org>
> Subject: Re: [rescue] Sun2/120 SunOS 3.2 suntools movie (was: advise
>         on Sun2 disk install)
> Message-ID: <4FA90F6E-E93E-414F-BD94-E4E2CF3D8E2E at belgers.com>
> Content-Type: text/plain; charset="us-ascii"
> Hi,
> Another update in case you are interested:
> I rescued a keyboard and mouse to go with the Sun2. I also installed SunOS
> 3.2
> on disk. I took a different route: I installed FreeBSD, installed tme on
> top
> of that and using the information at
> https://people.csail.mit.edu/fredette/tme/
> <https://people.csail.mit.edu/fredette/tme/>,
> http://www.heeltoe.com/index.php?n=Retro.Sun2
> <http://www.heeltoe.com/index.php?n=Retro.Sun2> and
> http://typewritten.org/Projects/Sun/8-4841.html
> <http://typewritten.org/Projects/Sun/8-4841.html> I installed SunOS 3.2
> from
> virtual tapes onto a virtual harddrive. I then copied the virtual drive to
> a
> real drive and hooked it up. I could then boot SunOS 3.2!
> I then took the one TTL monitor I have (for the 2/50) and hooked it up to a
> bwtwo. At first it did not work, apparently it must be in a specific slot.
> I
> added 1MB as well, so the cage is fully populated. That extra MB is used by
> the btwo. The monitor still worked and I was able to run the graphical
> windowing system.
> I had the system on the internet for a couple of hours yesterday, some
> people
> logged in remotely and it still felt surprisingly fast. Only when you start
> hammering the disk it is slow (SCSI-1 is slower than ESDI drives I read).
> I made a movie of the box, it can be viewed here:
> https://youtu.be/CoAYs0Uc7As
> <https://youtu.be/CoAYs0Uc7As>
> Cheers,
> Walter.
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> ------------------------------
> End of rescue Digest, Vol 193, Issue 1
> **************************************

Michael Thompson

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