[rescue] Keep finding more stuff:

David Griffith dgriffi at cs.csubak.edu
Thu Sep 13 19:38:06 CDT 2012

On Fri, 14 Sep 2012, Ian King wrote:

> On 9/10/12 11:20 PM, "Jochen Kunz" <jkunz at unixag-kl.fh-kl.de> wrote:
>> On Mon, 10 Sep 2012 23:21:36 +0200
>> Stefan Skoglund <stefan.skoglund at agj.net> wrote:
>>> can i connect that machine with is cg6 card to my heavy ibm
>>> powerdisplay20 monitor (which is bnc only, is it SOG but it does have 2
>>> separate sync connectors.)
>> Get a Sun 13W3 - 4 BNC cable. It has to be a Sun cable due to different
>> pinouts used by different vendors. Connect RGB as expected and the
>> C-sync from the Sun to H-sync of the monitor. Most likely this will
>> work. If not try connecting C-sync to V-sync. If this fails try the
>> route Jonathan sugested already: Connect C-sync to green with a BNC-T
>> connector. But I recommend to put a 220 Ohm resistor in the C-sync line
>> before connecting it to the green signal.
>>> But i think the machine has a problem with the battery PROM.
>> See Jonathans comment. I replaced the battery of several Sun ID proms.
> The Dallas chip is still available, from Mouser I think, for about $20 the
> last time I did this (perhaps 1-2 years ago).  y Voyager is happy.  :-)

But it's more fun to carve into the dead Dallas chip, extract the old 
battery, and epoxy a 2032 button cell holder on top.

David Griffith
dgriffi at cs.csubak.edu

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