User Manual

Technical Reference
35
Figure 8. Location of the BIOS Security Jumper
Table 17 describes the jumper settings for the three modes: normal, lockdown, and
configuration.
Table 17. 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.