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SE7221BK1-E Technical Product Specification
33
7.12.4 Rolling BIOS selection header
There is a 1x3 pin Header that is used to configure the function of rolling BIOS. The figure
below shows the jumper pins and their functions. The factory defaults are set to a primary BIOS
mode for each function.
Table 37. HDD LED Header (J1E1) Pin-Out
Function Pin – Pin Function Description
1-2
Primary BIOS (Default)
Rolling BIOS selection
2-3 Secondary BIOS
Although some details of this feature are described
within this manual, please refer to section 9.6.3 for
complete details.
8. Configuration Jumpers
This section describes configuration jumper options on the Intel® Server Board SE7221BK1-E.
8.1 System Recovery and Update Jumpers
An 11-pin (Key in pin 4, 8) Header (J1F2), located just beside the PCI Slot 1 connectors,
provides a total of three 3-pin jumper blocks that are used to configure several system recovery
and update options. The figure below shows the jumper pins and their functions. The factory
defaults are set to a protected mode for each function.
Three jumpers are stored on six pins during normal operation. Please refer to below figure for
the detail function.
Figure 6. System Recovery and Update Jumpers (J1F2)
The following table describes each jumper option.
Table 38. System Recovery and Update Jumper Options
Function Pin – Pin Function Description
CMOS CLEAR 1-2
MBMC control
These three pins are connected to GPIs of