SE7221BK1
-E
Technical Product Specification
38
3
Ground
Power
GROUND is the power supply ground
4 NC
5
Ground
Power
GROUND is the power supply ground
6
Ground
Power
GROUND is the power supply ground
7
Fan Tach
Out
FAN_TACH signal is connected to the Super IO/LM96000 to monitor the
FAN speed.
8
Fan Power
Power
Fan Power with FAN_SPEED_CNTL1 (Fan speed control)
7.13.2
Intrusion Cable Connector
Table 37. Intrusion Cable Connector (J1A1)Pin-Out
Pin Signal
Name
1 INTRUDER_N
2 GND
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.
Table 38. HDD LED Header (J1E1) Pin-Out
Pin Signal
Name
1 HDD_LED_ACT_N
2 NC
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.
Table 39. 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.