Re: VGA 15 pin/9 pin Multisync=standard?



On Mar 3, 6:54 pm, Sambo <s...@xxxxxxxxxxxx> wrote:
SixteenThirtytwo wrote:

Is there a standard for Multisync monitors which is different from
(S)VGA monitors

I think the 9 pin was used at first for TTL monitors and then shortly for ANALOG ones as well
then they switched to 15, I do remember having to get adapter cables and regarding TTL as crap
, since they had fixed number of colours. I can't be sure but I think Multisync II was atleast analog if not both ( or was it cards could do both most likely).

I have no idea what the difference between TTL and analog monitors
are, but I'm working on a video output circuit which will allow for
different monitors to be attached according to which scan rates they
handle, which is the following:

- Monochrome mode: 35.70 KHz horiz., 71.2 Hz vert.
- Colour: 15.75 KHz horiz., 50-60 Hz vert.

So far I've made the circuit failsafe because different connectors,
corresponding to the scan rate compatibility is being used:

- 15 pin VGA (mono mode only)
- SCART TV connector (colour mode only)
- Composite out (colour mode only)

All TV's and whatever connects to composite connectors are able to
handle the colour syncs, while all VGA/SVGA monitors are able to
handle the mono syncs, so that solution should be pretty safe.

But in case I want to connect a monitor which can handle both modes
(scanning horizontally all the way from 15.75KHz up to 35.70KHz) I was
hoping I could use a different type of connector from the one I'm
using for VGA. Two identical connectors could pose a problem with
older monitors although I've learnt that newer monitors don't fry
anything if incompatible sync signals are input.
Are there other standards available for Multisync monitors today?
Other suggestions for a *different* connector for this?

.



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