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Offline apsturkTopic starter

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Screen resolution
« on: February 07, 2015, 01:53:37 AM »
Hello,
I have a X1000 with a Radeon HD 6670 card. A notification pop up to tell me for best results to set the resolution to 2560 x 1440. I have a 27' screen that is 2560 x 1440 but I do not see any sizes above 1920 x 1080. What do I do?
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Offline Oldsmobile_Mike

Re: Screen resolution
« Reply #1 on: February 07, 2015, 02:12:22 AM »
Quote from: apsturk;783221
Hello,
I have a X1000 with a Radeon HD 6670 card. A notification pop up to tell me for best results to set the resolution to 2560 x 1440. I have a 27' screen that is 2560 x 1440 but I do not see any sizes above 1920 x 1080. What do I do?

That's probably your monitor giving you that notification, not AmigaOS, right?  Can your video card even output that high?  Are you using a dual-link DVI cable?
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Offline Oldsmobile_Mike

Re: Screen resolution
« Reply #2 on: February 07, 2015, 02:18:17 AM »
See "example display modes (single link)" and "example display modes (dual link)" on the Wiki:

http://en.wikipedia.org/wiki/Digital_Visual_Interface

I, too, had this problem with an ultra-high resolution monitor similar to yours, until I switched to the higher bandwidth cable.  Granted, this was on a PC, using a 6570 video card.  I don't know if the Amiga screenmodes even support resolutions that high?  Wait for someone else with an X1000 to chime in.  I just know about DVI cables.  ;)
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Offline apsturkTopic starter

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Re: Screen resolution
« Reply #3 on: February 07, 2015, 02:18:53 AM »
ahh yes now that you say that I do think it is the monitor telling me that. Well I a using a DVI cable. I think a single DVI is needed for 2560 x 1440. Wider than that I would need dual link, however I could be wrong on that. the modes it shows only go to 1920 x 1080 normal HD. I will check on the card specs
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Offline apsturkTopic starter

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Re: Screen resolution
« Reply #4 on: February 07, 2015, 02:35:46 AM »
Ok I just learned a bit thanks Oldsmobile_Mike. I am using a duel link DVI cable and card. So any ideas people
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Offline som99

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Re: Screen resolution
« Reply #5 on: February 07, 2015, 10:27:34 AM »
Nearly all (if not all) ATI/AMD and Nvidia cards has supported resolutions up to 2560x1600 (newer cards above that) for over a decade now and some cards older then a decade supported 2048x1536 so it's safe to say his card supports the resolution and he do not need a dual link cable for that resolution.

My bet is drivers on or something else on AmigaOS 4.x :/
« Last Edit: February 07, 2015, 10:34:54 AM by som99 »
 

Offline cap

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Re: Screen resolution
« Reply #6 on: February 07, 2015, 11:18:22 AM »
How about going to screenmode preferences and clicking on monitors and adding your own manual setting.
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Offline danbeaver

Re: Screen resolution
« Reply #7 on: February 07, 2015, 11:23:38 AM »
Can also be done with P96 I believe
 

Offline Bennymee

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Re: Screen resolution
« Reply #8 on: February 07, 2015, 11:43:52 AM »
@apsturk
During the installation I gave maximum resolution in os4.x of 1920x1200. After reboot changed to automatic dectection of settings in the Monitors tab in screenmode prefs. After that al resolutions are shown. I'm using a Dvi-d single link to HDMI cable to display 1080p, 2560x1440@60 and 3840x2160@30 with a Radeon 6450 card.
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Offline apsturkTopic starter

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Re: Screen resolution
« Reply #9 on: February 07, 2015, 05:49:05 PM »
@Bennymee

I will give that I try. I did not see the first time I looked. Thanks
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AmigaOne X1000 | OS4.1FE | Radeon R9 280X | 480Gb SSD | 4Gb | 27 ViewSonic VP2770|
Amiga 500 | CPU 68010| Megachip 2 meg | Kickstart 3.1 | GVP 500HD+8 ROM 4.15 8 meg fast ram | ECS Indevision | SCSI2SD 4gig | BetterWB 4.0 | CD - Zip drives and Plipbox.
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Offline apsturkTopic starter

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Re: Screen resolution
« Reply #10 on: February 07, 2015, 05:57:40 PM »
@Bennymee

That did the trick!!  Thanks pal  :)

-Aaron
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AmigaOne X1000 | OS4.1FE | Radeon R9 280X | 480Gb SSD | 4Gb | 27 ViewSonic VP2770|
Amiga 500 | CPU 68010| Megachip 2 meg | Kickstart 3.1 | GVP 500HD+8 ROM 4.15 8 meg fast ram | ECS Indevision | SCSI2SD 4gig | BetterWB 4.0 | CD - Zip drives and Plipbox.
Amiga 1200 | Indivision 1200 AGA MK2cr | CF 4gig | ACA 1233 55.55mhz | OS3.9 | FastATA 1200 MK-V | Rapid Road
2 MorphOS Paid for copies. Running on Mac Mini 1.5Ghz