User Binary Area; Recovery Mode - Intel SE7520AF2 Technical Product Specification

System BIOS
5.14.2

User Binary Area

The baseboard includes an area in flash for implementation-specific OEM add-ons. The OEM
binary area can be updated as part of the System BIOS update or it can be updated
independently of the System BIOS.
The command line usage for the utility is as follows:
UBinD </R> or </I> or </D> [/M<ModID>] /F<RomFileName> /B<NewUserBinaryFileName>
[/N<NewRomFileName>] [/O<NCB>]
</R> - is used to replace user binary module
</I> - is used to insert user binary module
</D> - is used to delete user binary module from the ROM file.
</?> - is used to display this help.
/M<ModID> - is hexadecimal user binary module ID; Default ModID = 0xF0.
/O<NCB> - is 0-based index of the non-critical block number calculated from the start of the
ROM file. Default NCB = 1, used only with insert option. See ROMInfo for reference.
</N<NewRomFileName> - if this option is not included, the ROM is saved with the same name.
5.14.3

Recovery Mode

Three conditions can cause the system to enter recovery mode. Pressing a hot-key, setting the
recovery jumper (J1D1, labeled RCVR BOOT) to pins 2-3, and damage to the ROM image will
cause the system to enter recovery and update System ROM without the bootblock.
5.14.3.1 BIOS Recovery
The BIOS has its ROM image size of 2 MB. A standard 1.44 MB floppy diskette cannot hold the
ROM file due to the larger file size.
The SE7520AF2 BIOS supports Rolling BIOS (see Rolling BIOS and On-line Updates section
above for details) and contains a primary and secondary partition. The recovery process
performs an update on the secondary partition in the same fashion that the normal flash update
process updates the secondary partition. After recovery is complete and the power is cycled to
the system, the BIOS partitions will switch and the code executing POST will be the code that
was just flashed from the recovery media. The BIOS is made up of a bootblock recovery
section, a main BIOS section, an OEM logo/user binary section, and an NVRAM section. The
NVRAM section will either be preserved or destroyed based on hot-key press during invocation
of the recovery. All the other sections of the secondary BIOS will be updated during the
recovery process. If an OEM wishes to preserve the OEM section across an update, it is
recommended that the OEM modify the provided AMIBOOT.ROM file with the user binary or
OEM logo tools before performing the recovery.
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Intel order number C77866-003
Intel® Server Board SE7520AF2 TPS
Revision 1.2