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Intel® Server Board SE7520AF2 TPS
System BIOS
Revision 1.2
105
Intel order number C77866-003
5. System BIOS
The following chapter describes the features supported by the SE7520AF2 BIOS.
5.1 BIOS Identification String
The BIOS identification string is used to uniquely identify the revision of the BIOS being used on
the system. The string is formatted as depicted in the following figure:
BoardId.OEMID.BuildType.Major.Minor.BuildID.BuildDateTime.Mod
two digits:
Dxx = Development
Xxx = Power On
Axx = Alpha BIOS
Bxx = Beta BIOS
RCxx= Release Candidate
P = Production
xx = 2 digit number N/A for Production
Four digits:
Increment
on each build
Three characters:
10A = Some OEM, etc.
N character ID:
AN430TX, etc.
86A = Intel DPG
86B = Intel EPG
One digit:
non-zero if any Separately
Updateable
Module has been updated
two digits:
Build Date and time in
MMDDYYYYHHMM format
Figure 32. SE7520AF2 BIOS Identification String
The system BIOS has the unique Board ID of “SE7520AF2”. The following is a sample
production data string that is displayed during POST:
SE7520AF20.86B.P01.01.00.0052.081320040715
5.2 Supported BIOS Features
Table 35. BIOS Features
Processors
Two 800 MHz system bus Dual Processing capable Intel® Xeon™ processors
The packaging uses features provided by Intel® Xeon™ processor family to identify
processors installed and features supported
All processors in the system must operate at the same frequency and have the same cache
sizes
Memory
Only registered DDR2-400MHz SDRAM will be supported via eight DIMM slots present on the
board
Memory mirroring supported in Dual channel configuration only
Memory sparing supported in Dual and single channel configuration
Intel x4 Single Device Data Correction (SDDC) only for memory configurations in dual