HP Vectra XU 6/XXX HP Vectra XU 6/xxx, Service Handbook - Page 5

System Board Switches HP Vectra XU 6/xxx PC Series 1 Switch 1 OFF ON 2 OFF ON 3 OFF ON 4 5 6 7 8 Function Retain configuration in EEPROM, normal position Clears EEPROM Enables User and Administrator passwords Clears User and Administrator passwords Disables secure switch (off position) Enables secure switch (on position) - prevents modification of SETUP values and flashing of BIOS Local bus frequency, see following table Processor : local bus frequency ratio, see following table Default OFF OFF OFF ON OFF ON OFF OFF Switch 4 5 Switch Local Bus Frequency 6 7 8 Frequency Ratio Processor : Local Bus Processor Frequency ON OFF OFF OFF ON OFF OFF OFF 60 MHz 66 MHz 60 MHz 66 MHz ON OFF OFF ON OFF OFF OFF ON OFF OFF ON OFF 2.5 : 1 2.5 : 1 3 : 1 3 : 1 150 MHz 166 MHz 180 MHz 200 MHz BIOS History The latest BIOS, the flasher utility program, and the BIOS history can each be obtained from the HP Electronic Services. Mini-Tower Vectras HP Vectra XU 6/xxx PC 1-5