Simon Burge skrev:

>"Iggy Drougge" wrote:

>> Simon Burge skrev:
>>
>> >As an alternate solution, if you can find a BNC-to-VGA adapter (DEC part
>> >number 29-32549-01) you can use a standard VGA monitor with DEC video
>> >cards (that's what I'm using right now as I type this).  I know they
>> >were available in Australia recently (last six months or so) for about
>> >$AUS40.
>>
>> Does such a beast simply add together the BNC connectors into a D15HD, or
>> does it extract sync signals and so on as well? Does anyone have the exact
>> requirements for a monitor to work with a DECstation?

>I'll admit to knowing almost zero about VGA - do it have separate
>horizontal- and vertical-sync?  It certainly looks like a completely
>passive device.  Unfortunately my multimeter probe doesn't fit into
>the VGA socket holes so I can't tell you what goes to which pin...

I am perfectly ignorant with regard to DEC video (my Maxine and 200 have been
running headless ever since I got them), but IIRC, it supplies sync on green,
which is a no-no on many VGA monitors (though common on the Mac). There is
provision for separate sync signals on the VGA connector, but it will also
accept a single composite sync on the HSYNC pin. I'm not certain as to how
this is implemented IRL.

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