[rescue] Recommended 13w3 to VGA adapter

[Jerry Kemp]

https://www.amazon.com/dp/B07KVFNY5H/?psc=1

KENTEK 13W3 DB 13W3 13 Pin Male to HD15 HDD15 15 Pin Female, Male to Female M/F Molded Sun Micro to VGA Monitor Adapter Changer Coupler

or

https://www.amazon.com/Kentek-Monitor-Adapter-Changer-Coupler/dp/B07KVFXLD4

Kentek 13W3 DB 13W3 13 Pin Female to HD15 HDD15 15 Pin Male, Male to Female M/F Molded Sun Micro to VGA Monitor Adapter Changer Coupler





On 31/07/22 22:08, Mouse wrote:
>>> What is the Recommended 13w3 adapter to VGA adapter these days to use with $
>
> I don't know.  My own experience is that the adapter makes little
> difference (the framebuffer and the monitor matter more), but I haven't
> tried very many.  I've always thought of the adapter as a completely
> passive device, so it "shouldn't matter".
>
>>> and I got a few LCD monitors around both in 4:3 and 16:9, which is gonna be$
>
> The one that works. :-/  It's hard to say much more without trying
> them.
>
> Part of the problem is a change of design philosophy.
>
> Back in the '80s and much of the '90s, back in the heyday of CRT
> monitors, the computer generated the video signal and the monitor was
> expected to handle it, or, if it couldn't, to at least fail gracefully.
>
> But then there was a pardigm change.  My impression has always been
> that it happened with the shift to flatscreens, but I don't know
> whether that's accurate, though it did happen at roughly the same time.
>
> In the new paradigm, the _monitor_ specifies what the video signal is
> to look like (via DDC or EDID or whatever it's properly called) and the
> _host_ is expected to adapt.
>
> An old monitor on a new system, then, leaves the computer wondering
> what it should generate, but if it picks something there at least is a
> reasonable chance it will work.
>
> But a new monitor on an old system - such as a flatscreen on a
> SPARCstation from the 32-bit pizza-box era - is a disaster.  Each end
> thinks it is the end who is supposed to specify what the video signal
> looks like.  I've been frustrated trying to get the cg14s in my SS20s
> to drive 1920x1080 monitors.  I've succeeded for two monitors
>
> : Asus-VH236H 780 438 3c 8d9ee20 5e 0f 5e 0f 5e 0f ;
> : LG-27EA33V 780 438 3c 80befc0 c0 3 130 2e 40 1 ;
>
> but completely failed with a third.  (Those are the mode-setting words
> I've found worked for me for cg14s with those two makes-&-models of
> monitors.  I don't recall the make-&-model of the monitor I failed
> with.)
>
> This is where the video hardware becomes relevant.  Some framebuffers
> from Suns of that era have relatively limited ability to adapt the
> signals they generate.  Some have only a handful of different dot-clock
> frequencies available, for example; the cg14 apparently can't handle X
> resolutions that aren't multiples of 32 pixels, as another example.
>
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