Securebios - DEC Digital PC 3500 System Reference Manual

SecureBIOS

Your computer offers improved security features that protect against unauthorized
flash BIOS firmware changes. SecureBIOS features are implemented within the
computer hardware and BIOS design for use with ClientWORKS and/or other
computer software. This feature is enabled by default.
NOTE
Follow the steps below to do this, using the BIOS Setup utility.
Next time you reboot the computer, the SecureBIOS feature will
automatically reset to "enabled."
To disable the SecureBIOS feature:
1. Turn off your computer and remove the outside cover.
2. Locate the switch settings on the main logic board.
Refer to Appendix A, "Technical Specifications," for main logic board switch locations.
Change switch SW1-5 to ON.
3.
Replace the outside cover.
4.
Reboot the computer and enter Setup.
5.
Highlight the "Main" menu.
6.
7. Highlight "Boot Options" and press [Enter].
8. Highlight "BIOS Update."
9. Press the [+] key to enable "BIOS Update" (pressing the [+] key again,
returns your computer to normal).
10. Press [Esc] twice, then [Enter] twice to save and to reboot the computer so
changes immediately take affect.
NOTE
SW1-5 be reset to OFF to provide additional protection against
BIOS corruption or viruses.
: Before flashing the BIOS, you must disable SecureBIOS.
: After flashing the BIOS, it is recommended that switch
Using the BIOS Setup Utility
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