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191 Posts in 37 Topics by 33 members

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Amiga OS Projects

Forums » Amiga OS Projects » SAM440ep(mini) Radeon9250 vs HD2400XT

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Author Topic:SAM440ep(mini) Radeon9250 vs HD2400XT 4979 Views
  • fingus
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    10 Posts

    Re: SAM440ep(mini) Radeon9250 vs HD2400XT Link to this post

    @Hans:

    When i try to turn DMA on with:
    setenv save Picasso96/USEDMA 1
    The SAM440ep mini freezing after pressing enter

    And when rebooting it stops all hdd-activites after showing the amigaos4.1 bootlogo (after fadeout)

    Before my onboard Radeon M9 broke, DMA work with the onboard-device.

    Maybe A-Cube don't enable it for the only one (emergency) 33Mhz PCI-Slot that the SAm440ep mini offers.

    Are your results from a 33Mhz PCI-Slot without DMA?

    And annother question:
    I have also a ATI Radeon X1300 - 256MB A676-00C here, but it doesn't show bootscreen or workbench, but the workbench boots up with startsound. But as you wrote, the x1300 is much older and slower than hd-series!?

    I´m using a Sam440ep/667Mhz/512MB/Amiga OS4.1 over DVI on 19" Samsung TFT (1280x1024x32bit).

  • Spectre660
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    54 Posts

    Re: SAM440ep(mini) Radeon9250 vs HD2400XT Link to this post

    @Hans

    Hey that my result.
    This score was done using VNC to control the machine .
    This is the video card that will only work at 1024x768 or 1440x900 for displays to the monitor on the Sam440ep-flex and no monitor display at all on the Sam460ex.
    Apparently rtg.library DMA only works on the first PCI slot (the 66Mhz) one on the Sam440ep-Flex.
    Not sure about the Sam440ep-Itx's single 33mhz slot . This since update 3.

  • Spectre660
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    54 Posts

    Re: SAM440ep(mini) Radeon9250 vs HD2400XT Link to this post

    @fingus

    See This post

    http://forum.hyperion-entertainment.biz/viewtopic.php?f=17&t=1206&start=10#p14849

    I have an x1300 pci too that did the same thing until version 0.53 of the driver.
    Since version 0.54 there seems to be some negative effect on the audio output as the sound quality is crackly .

  • fingus
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    10 Posts

    Re: SAM440ep(mini) Radeon9250 vs HD2400XT Link to this post

    Btw. i can confirm that Uboot shows only a blinking cursor with HD-Cards when choose external PCI-Slot instead of onboard M9 in the UBoot-Settings! The Onboard Radeon M9 then shows nothing or garbarge when workbench is loading or loaded, this is a safe sign that the switch to external display inside uboot is working. The blinking cursor of the radeonhd-card vanished when kickstart files are loaded and initialisied, then you see bootpicture and later workbench screen.

    This seems to be an issue of the newest UBoot-Version 1.3.1d availble for the sam440ep mini-itx. Why?
    A Radeon9250 try to display the initial uboot-screen but flickering and monitor says "out of scanrange".

    Its no big deal for me, but maybe worth to fix.

    I´m using a Sam440ep/667Mhz/512MB/Amiga OS4.1 over DVI on 19" Samsung TFT (1280x1024x32bit).

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Forums » Amiga OS Projects » SAM440ep(mini) Radeon9250 vs HD2400XT