[rescue] rescue Digest, Vol 127, Issue 33

Michael Thompson michael.99.thompson at gmail.com
Thu Jun 27 16:51:17 CDT 2013

> From: Michael Ng <michaelng0623 at gmail.com>
> Subject: [rescue] Need help in booting Sun 2/50
> Hi,
> I was directed by Vintage-computer.com member to seek your advice on how to
> boot a Sun 2/50 which I just acquired, it has the model 2 keyboard but not
> the mouse, and the KB does not have the adaptor to be connected to the CPU.
> When the system is turned on it displays below:
> Probing I/O bus: ie
> Using RS232 A input.
> Auto-boot in progress ...
> Boot: ie (0,0,0) vmunix
> X
> I have the shoebox 511A but the CPU does not havet DD50 connector -  it
> seems it has been removed at somepoint. I am new to early Sun hardware and
> can you give some idea on how to boot it to point of Windows? I have SunOS
> 3.5 tapes and 4.0.3 tapes and the shoebox seems to work as when I plug it
> to Sun 3/60 it makes noise.
> Any advice will be highly appreciated..
> Thanks,
> Michael

The Sun-2 net boots a little differently than the more modern Sun systems.
You will need a server running ndbootd to pass the first stage boot to the
2/50. From then on the net boot is the same as a Sun-3.

Michael Thompson

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