Operating Model; Table 43: Security Features Operating Model - Intel SE7520JR2 Technical Manual

System BIOS
4.7.1

Operating Model

The following table summarizes the operation of security features supported by the BIOS.
Some security features require the Intel Management Module (IMM) to be installed. These
include "Diskette Write Protect", "Video Blanking", and "Power Switch inhibit."
Mode Entry
Method/
Event
Secure boot Power
On/Reset
Password Power
on boot On/Reset
Fixed disk Power
boot sector On/Reset
106

Table 43: Security Features Operating Model

Entry Criteria Behavior
User Password Prompts for password if
and Secure Boot booting from drive A.
Enabled Enters secure mode just
before scanning option
ROMs as indicated by
flashing LEDs on the
keyboard. Disables the
NMI switch on the front
panel if enabled in Setup.
Accepts no input from
PS/2 mouse or PS/2
keyboard; however, the
Mouse driver is allowed
to load before a
password is required. If
booting from drive A and
the user enters correct
password, the system
boots normally.
If the IMM module is
installed and the options
are enabled in Setup, the
system also blanks on-
board video, disables
floppy writes, and
disables the power and
reset switches on the
front panel.
User Password System halts for user
set and Password before
password on scanning option ROMs.
boot enabled The system is not in
and Secure Boot secure mode. No mouse
Disabled in or keyboard input is
setup accepted except the
password.
Set feature to Will write protect the
Write Protect in master boot record of the
Setup IDE hard drives only if the
system boots from a
floppy. The BIOS will
also write protect the boot
sector of the drive C: if it
is an IDE drive.
C78844-002
Intel® Server Board SE7520JR2
Exit Criteria After Exit
User Floppy writes are re-
Password enabled. Front panel
Admin switches are re-enabled.
Password PS/2 Keyboard and PS/2
mouse inputs are
accepted. System
attempts to boot from drive
A. If the user enters
correct password, and
drive A is bootable, the
system boots normally
User Front Panel switches are
Password re-enabled. PS/2
Admin Keyboard and PS/2 mouse
Password inputs are accepted. The
system boots normally.
Boot sequence is
determined by setup
options.
Set feature Hard drive will behave
to Normal in normally.
Setup
Revision 1.0