I think I found it. The clock generation for 60 and 66 MHz clocks seems to be bad. I bought myself a Pentium MMX 133 and a single sided RAM Stick. The Pentium MMX does not work at all if set to 60 or 66 MHz, the board does not even start to POST, but the Chip gets hot. It works only with the 75 MHz …

I'm actually waiting for supplies to try everything you mentioned. Needs a few days until I can try with another RAM stick and another CPU. Setting the CPU to a lower clock speed made no difference, also using another graphics card. Harddisk is not the problem, it hangs with and without any …

Unfortunately not. It boots from nothing. The EPA logo goes away and then it either hangs or resets, it does not even show the configuration summary.

I recently bought a DFI P5BV3+ Super Socket 7 board for an AMD K6-2/450 Retro PC I'm currently building. The board has a really strange behaviour. It POSTs, it detects drives, etc., the EPA Logo and the footer goes away but then it does not switch and try to boot the OS, but it either hangs or just …