[HECnet] Vaxsvtation 4000 graphics to VGA?

[Sampsa Laine]

> On 20 Apr 2016, at 21:03, Johnny Billquist <bqt at softjar.se> wrote:
> 
> On 2016-04-20 19:58, Sampsa Laine wrote:
>> I’ve got two VAXstation 4000s, and I think they both have a graphics card in them - one with a weird connector with 3 circular sockets and another with a DB25-looking thing and they seem to have a picture of a monitor on them.
>> 
>> So a couple of questions?
>> 
>> Anyone know where I can get an adapter cable for one or the other of those to a VGA monitor? (basically, does anyone have a spare that they’d like to sell)?
>> 
>> Are they likely to work with an LCD monitor or do I need to get an older CRT one?
> 
> Basically the video output from all DEC stuff is analog video with sync on green. So just find a video converter that can take analog RGB video input with sync on green, and then output to VGA or whatever, and you're good.
> 

OK, got that. What about the cabling, anyone got any spares lying around? :)

Also how do I hook up a mouse/keyboard to these things (I think the icon above the DB25 looking connector implied it carries video, keyboard [LK-style with RJ connector like on the VT420 I hope] and mouse [no idea about DEC mice])?

Sampsa



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