Intrusion Cable Connector; Hdd Led Header; Rolling Bios Selection Header; Table 37. Intrusion Cable Connector (J1A1)Pin-Out - Intel SE7221BK1LX Technical Manual

3 Ground
4 NC
5 Ground
6 Ground
7 Fan Tach
8 Fan Power
7.13.2

Intrusion Cable Connector

7.13.3

HDD LED Header

There is a 1x2 pin Header for HDD LED Connection. This jumper reserves for PCI add-in card
which supports the SCSI or SATA interface with external HDD LED activity cable.
7.13.4

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.
Function Pin – Pin
Rolling BIOS selection
38
Power GROUND is the power supply ground
Power GROUND is the power supply ground
Power GROUND is the power supply ground
Out FAN_TACH signal is connected to the Super IO/LM96000 to monitor the
FAN speed.
Power Fan Power with FAN_SPEED_CNTL1 (Fan speed control)

Table 37. Intrusion Cable Connector (J1A1)Pin-Out

Pin
1 INTRUDER_N
2 GND

Table 38. HDD LED Header (J1E1) Pin-Out

Pin
1 HDD_LED_ACT_N
2 NC

Table 39. HDD LED Header (J1E1) Pin-Out

Function
1-2 Primary BIOS (Default)
2-3 Secondary BIOS
SE7221BK1-E Technical Product Specification
Signal Name
Signal Name
Although some details of this feature are described
within this manual, please refer to section 9.6.3 for
complete details.
Description