Graphics corruption Picasso96

[Flashlab]

I finally managed to get my Piccolo SD64 using Picasso96 to give some image but now there's another problem. I can succesfully test resolutions but all text is distorted and the mouse pointer is distorted as well...

Arrgh!

[Flashlab]

That would be really bad news. Is it possible to replace those yourself?

[Flashlab]

I noticed a third jumper on the Piccolo SD64 board. On the Big Book of Amiga Hardware it's not mentioned. Does anyone know what it does?

[Flashlab]

I tested the jumper no. 3 and when open the card doesn't give any output.

How can I check if the RAM is broken or that something else is the problem?

[Flashlab]

Tried all Zorro slot; no difference.

@AmireX

How did you repair your board?

[Flashlab]

I tried CybergraphX but that doesn't work too; even more corruption.

Unfortunately the WB option "Other Memory" doesn't make a difference.

Is my board fried of is it incompatible with the Zorro busboard? That's a Micronik rev 4.02. Or would incompatibility mean it not is accesible at all?

[Flashlab]

Well my monitor should sync to 64Hz horizontally. It gives image; won't it just say out of sync? I had that too sometimes. It's a Targa 17" monitor.

Could a bad sync cause these graphics corruptions?

[Flashlab]

I tried the mode change programs with the keyboard. As long as I stay within the right frquencies I get image; but still with distorted mousepointer and text. Maybe somthing is wrong with the sprites?

Should I change some other settings or should I start living with the idea that I my card is broken...

[Flashlab]

Somthing I find really strange too is that I can't get it to give any normal image on my Optiquest Q51 15" monitor. That monitor does work with the SD/FF. Correct me if I'm wrong but doesn't that output 31khz screens? With that option for the monitor in Picasso96 it doesn't work.

I'm getting a little desperate here  :boohoo:

[Flashlab]

I'll try reseating the chips.
I have an A1200 with Micronik busboard rev4.02; that could well be a problem:) Although I can find no information that it should be incompatible. Newer versions of this board (rev6. can be is stated on BBoAH.

I have used a clean install of OS3.9

[Flashlab]

I just made a passthrough cable and that works ok.

Does anyone here use the Piccolo SD64 with a Micronik busboard rev. 4.02 succesfully?

I think maybe I need to set something using Picasso Tooltypes?

[Flashlab]

Tried a lot of different Tooltypes and Env settings. None fixes the problem...
I think there is a hardware problem with the card. I haven't yet found anything that indicates that the busboard is incompatible.


Is there a way to test what is actually broken on the card? A video ram test or something.

[Flashlab]

I haven't mentioned this yet but there's only 2Mb video ram onboard. There are 4 sockets to expand the memory. Could it be that this could be a problem? The jumper is set to 2Mb though...

[Flashlab]

Is there any Amiga user from the Netherlands here that will test the Piccolo in his own Amiga for me? I need to know if it's the Piccolo that is broken or if the busboard is at fault...

Today I visited an Amiga meeting but no-one there wanted to test my Piccolo in their miggy...