PC to 1084S Cable

[jasenr]

Hello, I am trying to figure out if there is a cable for this or what the pinout would be to make one. I need to go from a PC with VGA to a real 1084S monitor. I have an UnAmigaITX board that I would like to use a real 1084S with. Thanks!

[Munchkin]

As far as I know it won't be possible without some kind of conversion. The 1084 doesn't support the 31 kHz that VGA outputs.

But I'm not 100% sure about this.

[TribbleSmasher]

An adapter is possible, there were commercial ones too, but the 1084 only supports 15kHz, anything PC-like could even do damage afaik.

[amigean]

Back in the day (early 1990s) I remember connecting the output of a CGA graphics card to the 1084s, I think by building a custom cable for it, and using a secondary TTL input my specific 1084s had (not all of them have it). I no longer have this 1084s sadly.

But yes, I think SVGA refresh rates and resolutions are out of the question. If you really want to use the 1084s with something modern, your best bet would be a SVGA/HDMI to SCART/Composite converter. Depending on the version of the 1084s you have, you may need an additional scart-to-9-pin adapter (or round barrel adapter). IMHO it's too much hassle for what it's worth but can think of scenarios where it makes sense (physical space considerations, a preference for a CRT to use with emulators etc.).