hello!

recently i got a another 128k.

i like best 128k. and this is my 4th 128k.

but it has some problem on the logic board.

there are no bong sound, but something was came up on the screen.

maybe ram problem? anther issue?

thanks for reading.

nomally this pattern was on the screen.



 
 
but sometime this pattern was on the screen too.

 

 
early cpu type.

 
 
oki 3764 ram.