Chapter 5: Advanced Serverboard Setup
Serial Ports
One serial port is included on the serverboard.
Serial Port Pin Definitions
Pin Definitions
The COM port is located beside the VGA port. See the table on the right for pin defini- tions.
Pin # Definition
1DCD
2RXD
3TXD
4DTR
5Ground
Pin # Definition
6DSR
7RTS
8CTS
9RI
10NC
(NC: No Connection)
System Reset
If System Reset (JRST1) is connected to a switch, then the system reset feature is enabled. See the table on the right for pin definitions.
Unit Identifier Switches
Two Unit Identifier (UID) switches and LED indicators are located on the serverboard. The Front Panel UID Switch is located at pin 16 on JF2. The Rear UID Switch is located at SW1 next to the InfiniBand Connector. The Front Panel UID LED is located at pin 17 of JF2, and the Rear UID LED is located at LE4. When you press the UID switch on the front panel or on the back panel, both Rear UID LED and Front Panel UID LED indicators will be turned on. Press the UID switch again to
Alarm Reset
Pin Definitions
Pin# |
| Definition |
Pin 1 |
| 3.3V |
| ||
Pin 2 |
| Ground |
| ||
|
|
|
UID Switch
Pin Definitions
Pin# Definition
1Ground
2Ground
3Button In
4Ground
UID Switches & LEDs
turn off both LED Indicators. These UID Indi- cators provide easy identification of a system unit that may be in need of service. See the table on the right for pin definitions.
Note: UID LED is supported by the physical switch or the BMC. When it is controlled by the physical switch, it will stay solid. When it is controlled by the BMC, it will blink.
Description
FP Switch
Rear Switch
FP UID LED (Blue LED)
Rear UID LED
Location
Pin 16 on JF2
SW1
Pin 17 on JF2
LE4
