
CN1 and CN7 are the Keylock and Reset Button connectors onboard.
CN1: Keylock Connector
PIN Description
1VCC
2 | N/C | 1 2 3 4 5 |
3 | GND |
|
4 | Keylock |
|
5GND
CN7: 2-pin Reset Button Connector
PIN Description 1 2
1 GND
2H/W Reset
3.19External Speaker
Aside from the buzzer at location BZ1 onboard, the
CN2: Speaker Connector
PIN | Description |
|
1 | Speaker Signal | 1 2 3 4 |
2 | GND |
|
3 | GND |
|
4 | +5V |
|
3.20 Thermal Input Connectors
In relevance to the Hardware Monitoring feature provided by the onboard Winbond W83627, the board allows the installation of a thermal sensor via connectors RT1/RT2 and JP1. The thermal connector JP1 monitors and displays the current system temperature whereas RT2 monitors the temperature conditions along the area where the power supply system sits. The displayed values are
RT1, RT2, JP1: System/Power Sensing Connectors
PIN | Description |
|
| |
1 | Sensing | 2 | 1 | |
2 | GND | |||
|
|
18