Blocks on the screen so, it looks like a RAM issue indeed. You can replace all eight 8040517 chips with 4164 chips of 200 ns, or better to have it fixed AND with 64K. They are sockets present so, not hard to do . There is also a jumper somewhere around the PCB which needs to be short circuit-ed to actually "tell" the machine that 64K are now present. Hope this helps! Nice video btw!
@@8BitRetroJournal Well, piggy can always be tricky. I would go for another try "one-skip one" and then "skip one-one" and see what happens. It is really hard to have all chips fried, some of them are definitely good. Hope this helps!
![I.N "HALLUCINATION" | [Stray Kids : SKZ-PLAYER]](http://i.ytimg.com/vi/n5B5q1Hwt_U/mqdefault.jpg)
Blocks on the screen so, it looks like a RAM issue indeed.
You can replace all eight 8040517 chips with 4164 chips of 200 ns, or better to have it fixed AND with 64K. They are sockets present so, not hard to do .
There is also a jumper somewhere around the PCB which needs to be short circuit-ed to actually "tell" the machine that 64K are now present. Hope this helps! Nice video btw!
Why did piggybacking not work?
@@8BitRetroJournal Well, piggy can always be tricky. I would go for another try "one-skip one" and then "skip one-one" and see what happens. It is really hard to have all chips fried, some of them are definitely good. Hope this helps!
nice 48k+ is it fully working?
Nope, haven't been able to debug it yet. Do you have any insight to what may be wrong with it?