[Info-vax] VRT19-HA on Alpha?

[Chris Scheers]

Phillip Helbig (undress to reply) wrote:
> In article <rdq247$13ne$1 at gioia.aioe.org>,
> helbig at asclothestro.multivax.de (Phillip Helbig (undress to reply))
> writes: 
> 
>> I have a nice colour monitor, VRT19-HA, which at one time was connected 
>> to a VAX.  It has three BNC connectors for red, green and blue (for 
>> input, and also three for output).  Cables with three BNC connectors 
>> often have a small plug with 3 thick pins on the other end; that worked 
>> with VAXen but also with the DEC 3000 (21064, a TurboChannel system).
>>
>> I do have a cable with three BNC connectors and a "standard" video 
>> connector on the other end (male plug with three rows of pins) which 
>> fits all the graphic cards (Else Gloria Synergy or whatever) I have on 
>> Alpha.  Is there any chance that this would work, enabling me to connect 
>> the VRT19-HA to an Alpha?  (The cable is short, so I would have to move 
>> things to test it out.)
>>
>> I also have a similar cable with 5 BNC connectors, which is long enough.
>> Could I expect that to work?  What are the other two connectors for?
> 
> Tried the cable with 5 BNC connectors.  The monitor gets a signal, but 
> it is black-and-white, and looks like an old analog television which is 
> not properly adjusted, i.e. fluttering horizontal stripes moving up.

The VRT19-HA is a "sync on green" monitor.

If your video card can output the sync signal on the green lead, it 
should work.

It is also a 1280x1024 monitor.  It does not autosync, so your card must 
be outputting this resolution.

-- 
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Chris Scheers, Applied Synergy, Inc.

Voice: 817-237-3360            Internet: chris at applied-synergy.com
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