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Upgrading Mainboard in Lecroy DDA-3000 (aka WavePro 7300a?)

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Mechatrommer:

--- Quote from: georgo on October 17, 2020, 03:30:32 pm ---After writing my last forum post, i stepped back and reflected if I am using the wrong drivers. I re-read the forum thread and concluded that I have to switch to v2 of DXL driver set (with the unmodified frontpanel driver) ... should have read the forum beforehand ...

--- End quote ---
if you are using multicore cpu in WinXP, you may search ZtiLecroyFPanelFix driver from ingowien in earlier page, his driver is much better and stable.

georgo:
I did reverte to the original D865 and the Frontpanel is working.

On the new Q77 Mainboard I did try to fallback to Windows XP but the Front Panel Situation was not changing at all. So I tried the D865 to rule out that I damaged the hardware during the upgrade and the old D865 is working as expected.

I am sure that the Frontpanel was working (at least for one PowerCycle) on the Q77/Win7 32Bit Setup, because I remember that I was feeling lucky that the upgrade process was working so smoothly. Since then I could not repeat this behavouir no matter what kind of driver combo I was installing, reinstalling OS, falling back to WinXP. I did try to disable MultiCore and all the Peripherals in the BIOS, tryed with and without ingowiens filter driver and so on ..

My guess is that it could be some kind of ressource allocation problem - but I am not expert enough in this field to quickly find the issue ...

I will stick with the old Mobo and a fresh install of WinXP on a SSD for now ...

thanks for sticking with me.

georgo:
I am completely puzzled right now -> I did restore the original state of the SDA3010 (D865 Mobo) but instead of the original Harddrive, I did a clean WinXP install on a SSD.

The result: I do have now the exactly same behaviour as with the new Motherboard (Frontpanel not working). I did notice that the used IRQ on the old Harddrive was IRQ 20, whereas now it is IRQ 22.

I did install all the mobo drivers (ethernet, gfx, audio, chipset) before I did install the LeCroy drivers, maybe thats why I get assigned a different IRQ.

Has somebody experienced a similar problem?


Something more: After this step I did a complete step back and booted the from the old Harddrive - somehow it is still assigned to IRQ22 (so it changed) and now I have the same behavioure of non-working frontpanel even with the original harddrive. (I still have backup images) but could it be that the IRQ Assignment is stored in BIOS?

Converter:
There has never been such a problem even in the case of a non-original motherboard. Maybe something with your interface board?

georgo:
thanks - I am currently rereading the whole thread and I think you are right - maybe a damaged FPC cable... I did measure the cable however in a strechted state lying on the table, because I wanted to rule out this possibility ...

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