Hi derSammler Good suggestion. The symptoms could be that. do you think I should get a 2.8v reading from the voltage selection jumper?

]Hello Everyone. I have a very nice baby AT Lucky Star 5i-VX2B socket 7 motherboard at the centre of my retro games rig, running a 100mhz Pentium. All working great. I'm trying to get it working at 200Mhz with a newer MMX P55C Pentium and just not getting anywhere. Motherboard[1].jpg The motherboard …