The TSR didn't want to work on the Thinkpad 770 either but patching doom.exe worked a treat - well impressed! I tried going back to patch doom.exe on the PS/2 but it didn't work on there still...

Hi all, Just got my kit and built it only to find the LM358 dual opamp is missing.... I may well have dropped it and lost it though as I didn't check the parts before I started building. Anyway I thought I'd try an alternative opamp which is almost the same pinout - a CA3240 as that's all I had …