HP Vectra XE320 hp vectra xe320, service handbook chapter - Page 7

system board switches hp vectra xe320 pc Switch Function Default On Reserved 1-4 Off Off Reserved - Normal operation On Clears CMOS and passwords 5 (to reload the Setup program defaults) Off Normal operation On Clears User and Administrator passwords 6 Off Normal operation Off 1 Off On BIOS recovery mode: forces booting in the BIOS boot 7 block area Off Off Normal operation On Not used 8 Off Off Not Used - Normal operation On Normal operation (Software boot block protection) 9 On Off Hardware boot block protection On Not used 10 Off Off Not Used - Normal operation BIOS history For the latest BIOS, the flasher utility program, and the BIOS history refer to the HP's Web site. http://www.hp.com/go/vectrasupport/ pre-boot diagnostic beep codes Number of Beeps Meaning 0 System OK 1 Processor absent, not correctly connected or ZIF (Zero Insertion Force) socket not closed 2 Power supply is in protected mode 3 No memory, bad memory modules, incompatible memory module 4 Graphics card problem 5 PnP/PCI initialization problem 6 Corrupted BIOS. You need to activate crisis recovery procedure (refer to release note provided with BIOS). 7 Defective system board microtower vectras hp vectra xe320 pc 1-5