This system will not begin boot process until 20 minutes have passed. then will boot normally. Cannot get into BIOS until this starts after 20 minutes approx.
Have loaded failsafe defaults.
All the usual things have been done. battery replaced, cmos reset, power supply, memory and video all changed. CPU reseated with thermal paste. post card shows little progress until 20 minutes.
Phoenix D0 or C1 error code. No prior codes.