4. BIOS SETUP For processors with unlocked frequency multiplier System Hangup If your system crashes or hangs due to improper frequency settings, power OFF your system and restart. The system will start up in safe mode running at a bus speed of 66MHz and enter BIOS setup. JumperFree Mode 4. BIOS SETUP Cause for Hangup: Improper CPU Speed Cause for Hangup: Improper CPU: System Frequency Multiple (For processors with unlocked frequency multiplier only) Cause for Hangup: Improper System/SDRAM Frequency Ratio ASUS CUV4X-M User’s Manual 59