User Manual

Technical Reference
27
Figure 7 shows the location of the BIOS Security Jumper. The 3-pin jumper determines the BIOS
Security Program’s mode.
Figure 7. Location of the BIOS Security Jumper
Table 12 describes the jumper settings for the three modes: normal, lockdown, and configuration.
Table 12. BIOS Security Jumper Settings
Function/Mode
Jumper Setting
Configuration
Normal
1-2
The BIOS uses current configuration information and passwords for
booting.
Lockdown
2-3
The BIOS uses current configuration information and passwords for
booting, except:
• All POST Hotkeys are suppressed (prompts are not displayed and
keys are not accepted. For example, F2 for Setup, F10 for the Boot
Menu).
• Power Button Menu is not available (see Section 6.3.2 Power Button
Menu).
BIOS updates are not available except for automatic Recovery due to
flash corruption.