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Amiga computer related discussion => Amiga Hardware Issues and discussion => Topic started by: espskog on April 06, 2011, 01:58:17 PM
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Monitors come and go...almost too fast, so whatever hint for a decent 50Hz capable LCD exists on a thread, is outdated and EOL within weeks/months.
Therefore I ask, hoping someone can direct me, if someone has recently bought a 22" (or better) LCD / LED monitor which they CAN CONFIRM will work with 50Hz input from the scandoubled amiga or from a minimig.
The model number would be sufficient.
//Espen
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Many BenQ models do it - mine starts actually from 44 Hz
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I have two Viewsonic 1920x1080 monitors that work.
Go to TigerDirect.com and pull up the Viewsonic models and they list the frequencies. The only ones by Viewsonic that didn't do 50Hz (they were 56Hz) were the 2 older "square" ones. All the widescreen models I checked seemed to be 50Hz, but do check the models yourself.
I'm very happy with the ones I have and they work with PAL screenmodes on my A4000 (with IndivisionAGA, so it would anyway), Minimig and A2000 (using an "Amber" SDFF - which uses the same Amber chip as the A3000).
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Many BenQ models do it - mine starts actually from 44 Hz
I have a BenQ G2400WD and they actually take the 50Hz and in "information" on OSD says 50Hz. BUT: When I boot Workbench, the lower part of the screen is somehow "outside" the image...it is too far on the bottom so I cannot see it. And if I enter OSD and change Veritcal Position so that it is all the way on the top of the LCD, I still can not see the lower 10-15% of the image. I can not "shrink" the vertical size either.
Any tips ?
Espen
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I have two Viewsonic 1920x1080 monitors that work.
Go to TigerDirect.com and pull up the Viewsonic models and they list the frequencies. The only ones by Viewsonic that didn't do 50Hz (they were 56Hz) were the 2 older "square" ones. All the widescreen models I checked seemed to be 50Hz, but do check the models yourself.
I'm very happy with the ones I have and they work with PAL screenmodes on my A4000 (with IndivisionAGA, so it would anyway), Minimig and A2000 (using an "Amber" SDFF - which uses the same Amber chip as the A3000).
I will check out this, but do they "complain" when you feed them 50Hz (like: out of range) or are they happy campers ? :)
Have you some reference to a model (preferably 16:9 and at least 22") which will take 50Hz and that can show the image in a upscaled version to fill the entire panel ?
Espen
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I have a BenQ G2400WD and they actually take the 50Hz and in "information" on OSD says 50Hz. BUT: When I boot Workbench, the lower part of the screen is somehow "outside" the image...it is too far on the bottom so I cannot see it. And if I enter OSD and change Veritcal Position so that it is all the way on the top of the LCD, I still can not see the lower 10-15% of the image. I can not "shrink" the vertical size either.
Any tips ?
Espen
Have you made adjustments in the OVERSCAN prefs?
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OMG! This is so bizarre....in the quest for a dealer for a Viewsonic screen to use with the Amiga, I NEVER thought of actually checking our local Amiga Dealer down the street. Hell, why did I not think of that before :) They will know what the hell I am talking about when I say "50Hz" compared to the numbskull over at the local electronics megastore :) HEhe...now, thisis gonna be a walk in the park. I will bring my Replay board, and they are gonna be super-amazed and help me with a monitor which sync properly :) Yuhooo....
:-) sometimes, the solution is infront of you...or in this case, a 5 min drive away :-D
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Have you made adjustments in the OVERSCAN prefs?
Nope. I booted a stock Wb31 diskette so that I knew it would be without any overscan modifications. It looks like my benq (and also the fujitsu monitor i tried) chops off the halv 15-20% of the image. Almost like it "believes" that it should be a 4:3 format -- thus the 16:9 formats lack of height chops of the bottom of the image.
And I do not want to have a 4:3 monitor either as I want to use one large (24"+ if I can) for all my stuff on the desk...
***UPDATE***: I tried a old 4:3 17" LCD from Fujitsu Siemens and it worked PERFECTLY!!!! But, I do not want to use it unless I have to. It's a monitor which I will not use for anything else, and I have to use up my deskspace for such an old monitor. On this monitor, it syncs to 50Hz very good PLUS the lower part of the screen is not chopped off. So I think that the 16:9 monitors might be having an issue with this as they scale the image ?
Espen
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Have you made adjustments in the OVERSCAN prefs?
I had the same experience with a Benq monitor I tested but I didn't try changing the overscan preferences.
I will try that tonight.
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But changing the overscan will only give you LESS desktop-size, and is that something you really want ?
PLUS: In games and non-wb environment, this is not a solution either :-\
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Have you made adjustments in the OVERSCAN prefs?
BTW: Are your Viewsonic monitors 16:9 or 4:3 ?
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But changing the overscan will only give you LESS desktop-size, and is that something you really want ?
PLUS: In games and non-wb environment, this is not a solution either :-\
You can use it to move the visible area around the screen to a point where you should be able to adjust the V&H holds on the TV.
It is very easy to use overscan to make a screen size bigger than your TV can adjust to. The question is to the stardard PAL screen modes fit BEFORE using overscan? They should and then you use overscan to maximise them withing the confines of your TV's display.
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BTW: Are your Viewsonic monitors 16:9 or 4:3 ?
16:9
I can either stretch the image or have the black bars for native modes.
Personally, with the A4000 I have a 1920x1080 Workbench via RTG on the DVI input and then "stretch" the native modes by choice over the VGA input.
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16:9
I can either stretch the image or have the black bars for native modes.
Personally, with the A4000 I have a 1920x1080 Workbench via RTG on the DVI input and then "stretch" the native modes by choice over the VGA input.
Cool. I found a dealer for Viewsonic (well..many actually) but I do not wanna order a model which won't work :) So what is the model on yours ? I know it's probably off the market already...but, as a reference.
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You can use it to move the visible area around the screen to a point where you should be able to adjust the V&H holds on the TV.
It is very easy to use overscan to make a screen size bigger than your TV can adjust to. The question is to the stardard PAL screen modes fit BEFORE using overscan? They should and then you use overscan to maximise them withing the confines of your TV's display.
Yes, but the overscan settings you apply is under workbench environment. If you boot a game/demo off a adf file, then it will just use "ordinary" PAL setting like it is within the early startup sequence menu. Am I right ?
So -- to be sure that things work 100% with the LCD, then I need a monitor which can show the whole screen even before a WB is loaded. So I think I will try to order one and ...well..just see what happens :)
*UPDATE*
So, I found this one "http://www.komplett.no/k/ki.aspx?sku=604613" and I figured it will cover my needs as it is quite cheap, looks nice and has all the inputs needed + internal PSU.
Espen
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Cool. I found a dealer for Viewsonic (well..many actually) but I do not wanna order a model which won't work :) So what is the model on yours ? I know it's probably off the market already...but, as a reference.
I have 2 of these:
Viewsonic VA2223wm 21.5in 1920x1080 5ms DVI SPK
Like you say, discontinued now but there are lots of newer models. Just check the specs. :)
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Yes, but the overscan settings you apply is under workbench environment. If you boot a game/demo off a adf file, then it will just use "ordinary" PAL setting like it is within the early startup sequence menu. Am I right ?
So -- to be sure that things work 100% with the LCD, then I need a monitor which can show the whole screen even before a WB is loaded. So I think I will try to order one and ...well..just see what happens :)
Espen
What I do to set up a new monitor is to load a PAL floppy based game, use the H&V holds on the TC to center the display, then I boot to workbench and use overscan to stretch that screen mode to cover the largest area and use the H&V size on the TV to make sure it fills the screen.
You will probably have to adjust each different screen mode if the monitor remembers the different H&V settings for each mode.
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My BenQ is a FP222w, some years old. It starts at 320x400@60Hz and does 640x480 fine; 640x400 leaves black bars up and down. As I'm mostly using RTG modes my experience from native modes is wanting but my PicassoIV flifi 31 kHz output works quite well.
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I will use it for RTG modes on WB if they Replay board along with the Daughterboard offers RTG -- but until that, I will use my Replay as a "gaming" setup so the screen has to offer 50Hz compatibility aswell.
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I made best experience with Samsung Syncmaster LCD monitor.
Those mostly support 50Hz refresh rate via analog VGA.