Chassis Intrusion Connector; Front Panel Connector - DFI SD331-C236 User Manual

Chassis Intrusion Connector

1 2
Chassis
Intrusion
Signal
Ground
The board supports the chassis intrusion detection function. Connect the chassis intrusion
sensor cable from the chassis to this connector. When the system's power is on and a chassis
intrusion occurred, an alarm will sound. When the system's power is off and a chassis intrusion
occurred, the alarm will sound only when the system restarts.

Front Panel Connector

HDD-LED - HDD LED
This LED will light when the hard drive is being accessed.
RESET - Reset Switch
This switch allows you to reboot without having to power off the system.
Power_Button
This switch is used to power on or off the system.
PWR-LED - Power/Standby LED
When the system's power is on, this LED will light. When the system is in the S1 (POS - Power
On Suspend) state, it will blink every second. When the system is in the S3 (STR - Suspend To
RAM) state, it will blink every 4 seconds.
Pin Pin Assignment
3 HDD Power
HDD-LED
5 Signal
7 Ground
9 RST Signal
RESET SW
11 N.C.
24
1 2
Front Panel
HDD-LED
RESET-SW
11 12
Pin Pin Assignment
2 LED Power
PWR-LED 4 LED Power
6 Signal
8 Ground
ATX-SW
10 Signal
PWR-LED
ATX-SW