You need a specially wired cable. The sync lines are on different pins from
Sun to Hitachi.
Regards,
Ed Hall
Ultra Spec Cables

"David Streb" <dstreb@ci.fitchburg.ma.us> wrote in message
news:viab6nt4v5a24e@corp.supernews.com...
> I bought a Hitachi Super Scan supreme 803 21" monitor that I hoped would
> work with our Sun Ultra1 workstation. The guy I bought it from used a
cable
> that went from the Sun 13W3 on the monitor to a VGA plug on the end that
> goes into the computer. I had an old 13W3 to 13W3 and used that cable,
but
> I get an "Invalid Scan Frequency" message on top of a lot of snow when I
try
> to use it.
>
> Is there anything I can do to use this monitor with my workstation?
>
>