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? Sam440ep video signal loss
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First Hello to all, I'm a new Sam440ep OS4.1 user. I have a problem with my Sams video signal. The screen goes black at random. It doesn't matter if I'm using the VGA adapter or with the DVI going to a monitor. It happens with the click of the mouse on pretty much anything, at any time. I have to reboot everytime this happens. Has anyone had a problem such as this, or know of a fix for it? Would adding pci video card work around this? Any advice would help.

SAM440ep 600Mhz AmigaOS 4.1 512MB
Pegasos-II board G3/600 MHz MorphOS2.2/ 512MB Efika MorphOS2.2
AMIGA 1200-DBOX,BLIZZARDPPC175 MHz,64MB,Mediator1200SX
VOODOO3, OS 3.9 & 4.0
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Re: ? Sam440ep video signal loss
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@Nitro

try adding +RB (or failing that) -RB to the end of your settings in the tooltypes

eg

MODE=1920x1200@60+RB

~Yes I am a Kiwi, No, I did not appear as an extra in 'Lord of the Rings'~
1x AmigaOne X5000 2.0GHz 2gM RadeonR9280X AOS4.x
3x AmigaOne X1000 1.8GHz 2gM RadeonHD7970 AOS4.x
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Re: ? Sam440ep video signal loss
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@Slayer

Good answer ;)

Like Slayer has said it, add +RB or -RB if +RB fails.

I have got this problem after several minutes of my sam usage.

In fact, it does that specially on big resolutions from 1600 x 1200 or 1680 x 1080 and above, on lower resolution, there is not the problem apparently.

Laurent aka Faranheit

ZORAWSKI Laurent
Your Amigaventurer
Tel : (+33) 971 290 616
GSM : (+33) 6 98 74 13 25
Mail : faranheit@wanadoo.fr
MSN : laurentzorawski57@hotmail.com
Skype : faranheit57
ICQ : 81617715
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Re: ? Sam440ep video signal loss
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@Faranheit

I had the same problem here with 1680x1050. Adding +RB solved the problem but I find performance is better at 1440x900 anyway so I use that instead

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Re: ? Sam440ep video signal loss
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Thanks for the replys. I changed the info in Dev/Monitors/Radeon. Was that correct? I've tried + and -RB, but I still get blank screens.

SAM440ep 600Mhz AmigaOS 4.1 512MB
Pegasos-II board G3/600 MHz MorphOS2.2/ 512MB Efika MorphOS2.2
AMIGA 1200-DBOX,BLIZZARDPPC175 MHz,64MB,Mediator1200SX
VOODOO3, OS 3.9 & 4.0
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Re: ? Sam440ep video signal loss
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@Nitro

Can you post details of your monitor?

Peter Swallow

Eyetech A1XE-G3 800Mhz OS4.1
Towered A1200 OS3.9
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Re: ? Sam440ep video signal loss
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@Swoop

Here's what it has

BOARDTYPE=Radeon
CMPLENGTH=6
(BORDERBLANK=YES)
(BIGSPRITE=YES)
(SOFTSPRITE=YES)
IGNOREMASK=YES
(DISPLAYCHAIN=YES)
FAKENATIVEMODES=NO
VSYNCMIN=60
VSYNCMAX=60
HSYNCMIN=60
HSYNCMAX=64000
MODE=640x480@60
MODE=800x600@60+RB
(MODE=1024x768@60)
(MODE=1280x1024@60)
INTERRUPT=YES

SAM440ep 600Mhz AmigaOS 4.1 512MB
Pegasos-II board G3/600 MHz MorphOS2.2/ 512MB Efika MorphOS2.2
AMIGA 1200-DBOX,BLIZZARDPPC175 MHz,64MB,Mediator1200SX
VOODOO3, OS 3.9 & 4.0
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Re: ? Sam440ep video signal loss
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@Nitro

Quote:

VSYNCMIN=60
VSYNCMAX=60
HSYNCMIN=60
HSYNCMAX=64000


This values are wrong, check your monitor manual for the correct ones.

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Re: ? Sam440ep video signal loss
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@ZeroG

Right, thanks HSYNCMIN=31500

SAM440ep 600Mhz AmigaOS 4.1 512MB
Pegasos-II board G3/600 MHz MorphOS2.2/ 512MB Efika MorphOS2.2
AMIGA 1200-DBOX,BLIZZARDPPC175 MHz,64MB,Mediator1200SX
VOODOO3, OS 3.9 & 4.0
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Re: ? Sam440ep video signal loss
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@Nitro
Ok. VSYNCMIN and VSYNCMAX are both 60Hz? That is strange.

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