franklyn
Active member
I have a IIsi that works before fine and now it take some time until the sound of dead sounds up. The motherboard looks good except for a little oxidation on the four 74ALS245 chips. I desoldered these all and cleaned everything up and checked connections and soldered on four new chips but the error persisted. Because the error sound takes so long to sound, it may not be the RAM?
Does anyone have an idea where I should look for the error?
Does anyone have an idea where I should look for the error?