I'm not sure how to modif the program...

But, I see some "diagnostic cartridges" on ebay, would they assist with this issue?

Ok, so back to square #1...

Are there any other programs or were any retail RAM testers made?

Also, the 1984 brown C64 did not have sound output with the Commodore Chroma/Luma/Audio cable. I will have to probe the board.

All three C64's passed the test with result " 0".

Ok thanks, can't remember ever seeing that connector on anything...

I entered the program from the link into my "good" machine and got " 0" which is a pass, I will try the other 2 after work (Should be around +4 hours after this post.)

I'm American, so for s-video I only know of the US standard 4 pin s-video... Never heard of SCART

I don't know if I have a C64 RAM test programs, I only know on the one C64C, some games load, some glitch, and some fail to load, but work fine with same 1541-II on the other C64C.

So far I had only tried the single RCA jack on the back as it is going to a RCA to coax adapter then to an old lcd TV. I will hook it up with the commodore video cable and see what happens, then I will probe it. ...where is the best spot to put the black lead of the meter on the 64? ... If A/v does ...

Hello, I have 3 64's and I recently set aside space for them to live again, but have concluded today that two of them are sick. The first one, a 1984 brown breadbox, works great, but has no sound only a continuous low hum, that could just be line noise, not sure. Also, one of the ceramic disc ...

Hello everyone. I've had Commodore's all my life since I was 6 and my Grandfather bought me our family's first computer, a complete used Commodore 128 package with a 1541 a 1541 II, a MPS 801 a 1701, 2 Atari joysticks, and 100 disks of games (mostly pirates). Sadly, that computer died and I tried to ...