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Hi all,
Another issue with a CPC 464.
On startup:
Black screen, no beep, and red LED on.
I tested the Z80 and the 40010. Result: the same.
So I connected the Dandanator to it with Romdiag 1.3.
LowRam test: OK
but ROM test: OK
It doesn't recognize the CPC at first, but more importantly, Romdiag crashes during the ROM test.
I replaced the 40009 ROM with an EEPROM flash, but the result is the same.
Any ideas?
Thanks
willow

Quote from: McArti0 on 17:40, 17 April 25Why are You testing DiagROM?

I'm not testing Diagrom.
I'm using the program in Dandanator, but the ROM on the CPC 464 is 40009.
thanks
willow

Quote from: McArti0 on 18:23, 17 April 25But you used 1.3L (meaning low).

40009 is disabled

which version should I use?

thanks
willow

I will download the new version of the diagrom

Quote from: McArti0 on 18:35, 17 April 251.3U for testing LowROM firmware.

I can't find version 1.3U.

In .ROM or .bin format.

Do you have the file?

Thanks.

Willow

Quote from: willow3411 on 15:09, 18 April 25I can't find version 1.3U.

Quote from: eto on 15:13, 18 April 25

Quote from: willow3411 on 15:09, 18 April 25I can't find version 1.3U.

it's in the release ZIP

https://github.com/llopis/amstrad-diagnostics/releases/tag/v1.3

Okay, thanks.
But it does exactly the same thing.
Whether it's with the Dandanator or a programmed ROM.
It crashes when reading the upper ROM and doesn't detect the lower ROM.
arghhh

Hi,
Okay, I'm making some progress...
Here I am, with a screen with vertical yellow stripes.
The ROM test with the Dandanator is fine.
See photo.
What do you think?
Thanks for your help.
Willow

Quote from: McArti0 on 19:35, 18 April 25With GA samething wrong? ???

That's it, the solution has been found!!
Thanks to you.
I followed your reasoning and looked into the GA.
The CI socket was corroded.
I replaced it and everything is fine now.

We can say problem SOLVED!!
Thanks again to the entire community for responding.
Willow