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Higher Radeon resolution and centering problems
Quite a regular
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Hello, I've purchased AGP Radeon 9250 with 256MB RAM. The OS4.0 Screenmode shows 1280x1024 32bit as a maximum resolution. How can I set it to 1680x1050 according to my LCD? I assume the Radeon is capable of displaying such a resolution, right?


Edited by AmiKit on 2008/11/30 17:54:42
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Re: Higher Radeon resolution?
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@AmiKit

Add this: MODE=1680x1050@60 line to the tooltypes of your DEVS:Monitors/Radeon. Check also these:
VSYNCMIN=
VSYNCMAX=
HSYNCMIN=
HSYNCMAX=

that they're matching values in the manual of your monitor (so you won't break your monitor).

Rock lobster bit me - so I'm here forever
X1000 + AmigaOS 4.1 FE
"Anyone can build a fast CPU. The trick is to build a fast system." - Seymour Cray
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Re: Higher Radeon resolution?
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@TSK

Many thanks! It works in 1650x1050 now.

However the screen is now shifted to the right. I adjusted it manually using the monitor's controls but it's not enough, the screen is still shifted a bit to the right. I can see only half of the screen-depth button.

Is there something like OS3.x Overscan Preferences in OS4.0? Or is there any other possibility how to fix it?

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Re: Higher Radeon resolution?
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@AmiKit

If you had OS4.1 you could try adding +RB to the Tooltypes:
MODE=1680x1050@60+RB

Some TFT/LCD monitors (like mine) needs this to recognise the selected screenmode correctly.

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Re: Higher Radeon resolution?
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@ZeroG

No, I don't have OS4.1 yet. Is it the feature of OS4.1 only?

The monitor is LG L206WTQ, the autoset feature of the monitor centers the screen for a few seconds only and then it shifts to the right...

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Re: Higher Radeon resolution?
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@AmiKit
Quote:

No, I don't have OS4.1 yet. Is it the feature of OS4.1 only?

Yes, its 4.1 only, together with DVI support for Radeon cards.

However, you could reactive the old P96Mode-Prefs and could try if minimal changes of the frequences help.

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Re: Higher Radeon resolution?
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@ZeroG

Okay, one more reason to buy OS4.1.

Is the +RB feature documented somewhere?

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Re: Higher Radeon resolution?
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@AmiKit
Quote:

Is the +RB feature documented somewhere?

Yes, in SYS:Documentation/Picasso96/ScreenModes.doc.

Please note that this +RB thing is just a guess from me.

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Re: Higher Radeon resolution?
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@AmiKit

Quote:
However the screen is now shifted to the right. I adjusted it manually using the monitor's controls but it's not enough, the screen is still shifted a bit to the right. I can see only half of the screen-depth button.

The monitor is LG L206WTQ, the autoset feature of the monitor centers the screen for a few seconds only and then it shifts to the right...

I have LG 204. Make sure your monitor has recognized the screen mode correctly and do that auto adjust then again. If it hasn't recognized the screen mode and you have an input switch in your monitor try switching between analog and digital inputs as many times as is required it to recognize correct screen mode. Or open another screen on your Amiga which has different resolution than Workbench and switch between those screens as many times is needed your monitor to recognize the screen mode. Or if you have a Linux/Winblows box (or Linux installed on your Amiga) you could try to use them to adjust your monitors settings and then switch back to your Amiga (and don't touch auto adjust button ever again .

Quote:
Okay, one more reason to buy OS4.1.

DVI works perfectly with AOS4.1. I don't have any problems with it.

Rock lobster bit me - so I'm here forever
X1000 + AmigaOS 4.1 FE
"Anyone can build a fast CPU. The trick is to build a fast system." - Seymour Cray
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Re: Higher Radeon resolution and centering problems
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@AmiKit

I have the same graphics card and the problem I have (since OS4 and still on OS4.1) is this:

When the OS4.1 bootscreen appears, the display appears shifted to the left with a think white line/border down the right handside of the screen.

The problem also occurs when I run a Hollywood script on it's own screen and with Quake 1/2 on it's own screen.

As mentioned, I've had this problem since OS4 with the 9250 graphics card (I had an 8500LE before this, since donated to Mick the Greek (MikeyC) which did not share this problem)

Any ideas anyone?

Rude!

Nissan GTR '08
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Re: Higher Radeon resolution and centering problems
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@Rudei

What monitor do you have ?

Rock lobster bit me - so I'm here forever
X1000 + AmigaOS 4.1 FE
"Anyone can build a fast CPU. The trick is to build a fast system." - Seymour Cray
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Re: Higher Radeon resolution and centering problems
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@TSK

Hi,

It's a crappy 15 inch Compaq thing - you reckon this could be it?

Rude!

Nissan GTR '08
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Re: Higher Radeon resolution?
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@AmiKit

Quote:
However the screen is now shifted to the right. I adjusted it manually using the monitor's controls but it's not enough, the screen is still shifted a bit to the right. I can see only half of the screen-depth button.

Is there something like OS3.x Overscan Preferences in OS4.0? Or is there any other possibility how to fix it?


goto the Screenmode preferences and tick the "Default" Width and Height gadget

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Re: Higher Radeon resolution and centering problems
Quite a regular
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Thank you all for the input on this. My old CRT died last night, and thanks to the info here, I now have a new LG 22 inch flat/wide-screen up and running nicely at 1680 x 1050.

Paul

Builder of Frankenthousand The monster A1000
The Young Frankenthousand A1-XE G4
X5000
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Re: Higher Radeon resolution and centering problems
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@TSK

Actually, this is really weird - if I press the Auto-Adjust now the problem goes away....

I need a new monitor anyway, but I think I can live with pressing the Auto-Adjust for now!

Thanks,
Rude!

Nissan GTR '08
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