Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

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Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby mpattonm » Fri Sep 08, 2017 10:46 am

:idea: Hello,

since I have sold numbers of ST2VGA adaptors and there are other means available to connect Atari ST line of computers to VGA monitors too, I though it would be benefital assemble a list of those monitors capable of displaying low/med res correctly.
If you have one, please list it in this therad along with some details, such as picture quality, if possible.
I will keep this post updated.

Dell UltraSharp U2410 (_KrISS_ via PM)
Benq BL702A (wyerd via viewtopic.php?f=15&t=32239)
NEC LCD 1970NXp (dhedberg)
NEC 1990FXp (troed)
NEC 1550m (MiggyMog)
Last edited by mpattonm on Mon Sep 18, 2017 5:50 am, edited 4 times in total.

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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby troed » Fri Sep 08, 2017 12:18 pm

We have a whole wiki page on the now non-working wiki dedicated to this ;)

(Use view source to see it)

http://www.atari-wiki.com/index.php/Flat_Panel_Displays

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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby dhedberg » Fri Sep 08, 2017 12:36 pm

The wiki has been broken for a looong time now and I doubt it'll get fixed. So I welcome a list in this thread!
Would the wiki be fixed sometime we can update its list with what we have collected here.

Here's a monitor that works well (tested by me):
NEC LCD1970NXp
Last edited by dhedberg on Fri Sep 08, 2017 2:33 pm, edited 1 time in total.
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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby mpattonm » Fri Sep 08, 2017 12:42 pm

troed wrote:We have a whole wiki page on the now non-working wiki dedicated to this ;)

Oh... the non-working wiki, damn :(

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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby spiny » Fri Sep 08, 2017 12:45 pm

the archive.org version still displays OK

https://web.archive.org/web/20150322004 ... l_Displays

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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby troed » Fri Sep 08, 2017 1:14 pm

Well that's a very old version.

I know Gunstick rehosted the latest version somewhere else though.

I have a NEC 1990FXp that works well also.

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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby spiny » Fri Sep 08, 2017 2:01 pm


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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby Atarieterno » Fri Sep 08, 2017 2:06 pm

This is my monitor / TV:
SAMSUNG SyncMaster P2470HD, connected with SCART cable.

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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby spiny » Fri Sep 08, 2017 2:24 pm

SCART is not VGA :)

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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby Atarieterno » Fri Sep 08, 2017 3:03 pm

spiny wrote:SCART is not VGA :)


True, SCART is only SCART. :D
I suppose if it supports low and medium resolution with the SCART connector also can by the VGA.
The reason for this connection is that my ST has a switchbox where I connect the two adapter cables: one is VGA with which I have occupied the only VGA input of the monitor (high resolution) and another is SCART for the resolutions in color (low and medium ).

Image
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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby mpattonm » Fri Sep 08, 2017 4:23 pm

spiny wrote:this one: ?

http://15khz.wikidot.com

Nope. For example LG 1921a on my desk does not display low/medium over VGA. And its listed. The point is to have list of verified ones..
Last edited by mpattonm on Fri Sep 08, 2017 6:54 pm, edited 1 time in total.

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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby troed » Fri Sep 08, 2017 4:34 pm

mpattonm: Well, then you should edit the wiki there, noting the date and possible other things on your monitor, stating that it doesn't work. That's how we found out that Dell 2001FP only works depending on when it was manufactured.

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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby dimfil » Fri Sep 08, 2017 4:58 pm

Atarieterno wrote:The reason for this connection is that my ST has a switchbox where I connect the two adapter cables: one is VGA with which I have occupied the only VGA input of the monitor (high resolution) and another is SCART for the resolutions in color (low and medium ).

Image



I believe the sync to 15khz refers only to the vga port of any given tv/monitor. For the scart input is expected to work at this sync.
May I ask please where did you buy this very interesting switchbox? I tried a lot but couldn't find any. Could you please provide info about where you bought one?

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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby Atarieterno » Fri Sep 08, 2017 5:43 pm

dimfil wrote:
I believe the sync to 15khz refers only to the vga port of any given tv/monitor. For the scart input is expected to work at this sync.
May I ask please where did you buy this very interesting switchbox? I tried a lot but couldn't find any. Could you please provide info about where you bought one?


I think the SCART connector does not involve a scaling or change of those 15 khz, because in the monitors/TV of my children does not work that the same configuration. But you are more technical and you can explain it with rigor.

That switchbox is home-made, it was built by the guys from "GEM Multimedia" which was an Atari store and technical service in Madrid (Spain) in the 1990s; they also installed a mod of 1'4 Mby for my STe.
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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby trecool » Fri Sep 08, 2017 8:09 pm

mpattonm wrote:
spiny wrote:this one: ?

http://15khz.wikidot.com

Nope. For example LG 1921a on my desk does not display low/medium over VGA. And its listed. The point is to have list of verified ones..


My LG1921A does very well low/med res, but giving jail bars on hi res. Otherwise it would be the perfect Atari monitor for me.
I bought a Samsung Syncmaster 710N couple of weeks ago knowing by a friend that was doing ok... well, not for me. I guess in that case, manufacturing date was important.

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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby Atarieterno » Fri Sep 08, 2017 9:32 pm

One question: the TT when using "Low resolution ST" is with the frequency of 15 khz?
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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby mrbombermillzy » Fri Sep 08, 2017 10:24 pm

Just thought I'd chip in on the NEC 1990FXp:

Plain ST modes are displayed ok. May need some adjustments to the size/position/scale settings for Falcon resolutions though.(Auto adjustment doesnt seem to help here). Also does not like any interlace modes whatsoever, so maybe not the best option for some Falcon demos.(Definitely not the best thing for Amiga! :lol: ) It doesnt do as many less common modes as I'd like, but thats fair enough I suppose.

I've noticed a few modern TFT monitors have some sort of de-interlacing circuit and can handle at least some interlaced screens. The monitor/TV's are a different matter. They seem to have this as standard along with the option of combined sync for SCART.

Ive got some pretty exotic CRT monitors here I could try to test (although a few are pretty burned out after I had forced them to display 1024x608i on a C=128D @15khz!!), but not sure if you really wanted to know about modern TFT monitors instead.

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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby mpattonm » Sat Sep 09, 2017 6:46 am

No, not only LCDs. Actually, I am currently looking for 14"-15" CRT VGA monitor to set up with my Ataris. I am picking up Nokia Multigraph 449Xa next week, I am really curious whether it will work. Having speakers and Sony Trinitron screen, it would be perfect for me.

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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby mrbombermillzy » Sat Sep 09, 2017 8:50 am

Ok well, so far I have also tested a SONY PVM20L2 broadcast monitor, but thats from a ST<>SCART lead (as I dont have a ST>RGBHV BNC lead which is what the monitor takes). Its a 15Khz unit, but will take a lot of abuse of the V/H border areas and actually has a button which staggers the H/V sync so that you can view the sync pulses. For the ST modes, it can do low/med res fine. However, it is still useful even if you have an Amiga or falcon with blowup/VI programmed resolutions, as like I mentioned earlier, I have managed to bend the H scanrate lower to produce 1024 H pixels! :twisted:

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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby MiggyMog » Sun Sep 17, 2017 11:13 pm

An NEC 1550M seem to work in low and high res too with ST to VGA adaptor.
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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby Maeke » Wed Sep 20, 2017 10:50 pm

Atarieterno wrote:
spiny wrote:SCART is not VGA :)


True, SCART is only SCART. :D
I suppose if it supports low and medium resolution with the SCART connector also can by the VGA.
The reason for this connection is that my ST has a switchbox where I connect the two adapter cables: one is VGA with which I have occupied the only VGA input of the monitor (high resolution) and another is SCART for the resolutions in color (low and medium ).

Image


No, supporting the low/mid res via scart doesn't imply the monitor will support them too via vga. My tv DOES support low/mid using scart but it doesn't support them using vga.

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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby Atarieterno » Wed Sep 20, 2017 11:09 pm

Maeke wrote:No, supporting the low/mid res via scart doesn't imply the monitor will support them too via vga. My tv DOES support low/mid using scart but it doesn't support them using vga.


So is there a frequency conversion when using SCART?
Thank you for responding, I do not know those electronic fundamentals.
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Re: Assembled list of LCD/CRT VGA monitors supporting Atari low/med res

Postby Maeke » Fri Sep 22, 2017 6:36 am

No, simply the vga part of the monitor can't handle the 15kHz signal but the scart can because it was within specs.
You have to understand that 15kHz isn't supported by vga by specification, only some monitors are able to support it, it was initatially the multisync monitors.
That's the meaning of this list, to find and share the monitors proved to work at this frequency.


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