RS2030 MIPS workstation

Torfinn Ingolfsen tingox at
Wed May 15 03:54:10 CDT 2019

Interesting with those MIPS workstations.
Does the firmware (PROM) have any interesting commands?
Like 'pr_tod', 'init_tod', 'init' and so on?
found a PROM monitor reference in

On Tue, May 14, 2019 at 10:50 PM Ethan O'Toole via cctech
<cctech at> wrote:
> > It is a DS1287
> > The issue is finding out what the contents should be, since it isn't
> > documented in the surviving manuals.
> If the MAC address is the only concern, you could fuzz it. Write a pattern
> into the chip then if the systems prom monitor or BIOS shows the MAC
> locate it. It's probably at the beginning of the chip :-)
> --
> : Ethan O'Toole


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