Bios Recovery Operation - Intel SE7520JR2 Technical Manual

Miscellaneous Board Information
Clear state and power the system up. This feature can be enabled or disabled via the CMOS
Clear Options command.
The following sequence of events must occur to invoke the Control Panel CMOS Clear feature.
1. Standby power must be on, system power must be off, and the feature enabled.
2. The control panel reset button must be pressed and held for at least 4 seconds
3. With the control panel reset button still pressed, the control panel power button must be
pressed
The IMM Sahalee BMC produces a single beep through the system speaker to confirm the
CMOS clear button sequence.
The Sahalee BMC does not assert the CMOS Clear hardware signal. BIOS checks for BMC
CMOS Clear state (using the CMOS Clear Options command) at each boot to determine if the
Sahalee BMC is requesting a CMOS Clear operation. The BMC CMOS Clear state remains
active until one of the following events occurs:
It is forced off using a CMOS Clear Options command (this is the normal operational
case, by BIOS).
The reset button is pressed.
The power button is pressed and released.
The system is powered off.
9.4

BIOS Recovery Operation

The BIOS Recovery Operation should be attempted if for any reason the BIOS gets corrupted
causing the system to hang at POST generating a CMOS error. Should the system exhibit
POST hangs due to BIOS corruption, you should:
Option 1) cycle power.
This option will perform 1 of 2 possible operations. The reboot may clear possible BIOS
corruption with the Primary BIOS image and the system will boot normally. If the Primary BIOS
image is non-correctable, the system will perform an Auto Recovery which loads the secondary
or backup BIOS image. If this option is not successful and your system continues to exhibit
CMOS corruption errors, you can attempt option 2.
Option 2)
• Obtain BIOS Update Package From the following Intel Web Site:
:http://support.intel.com/support/motherboards/server/se7520jr2/
• Turn off the system
• Verify the jumper on jumper block J1A4 is set to Pins 1-2.
• Build Recovery Storage Media using files compressed in the RECOVERY.ZIP file
• Recovery from USB Disk-on-key or other large media
Prepare a formatted and bootable storage media device such as a USB
o
DISK_ON_KEY.
Copy AMIBOOT.ROM to it.
o
218
C78844-002
Intel® Server Board SE7520JR2
Revision 1.0