Back Panel Connectors; Figure 3. Configuration Jumpers Location; Figure 4. Back Panel Connectors; Table 3. Nic Led Descriptions - Intel S3420GP Manual

Jumper Name
J1F1: ME Force Recovery

Back Panel Connectors

A.
B.
The NIC LEDs at the right and left of each NIC provide the following information.
NIC Color
Left Green
24
Pins
1-2 These pins should have a jumper in place for normal system
operation. (Default)
2-3 ME force update mode

Figure 3. Configuration Jumpers Location

Serial Port A
Video

Figure 4. Back Panel Connectors

Table 3. NIC LED Descriptions

LED State
Off
On
Blinking
What will occur during a system reset..
C. NIC Port 1 (1 Gb) and Dual USB Port
Connector
D. NIC Port 2 (1 Gb) and Dual USB Port
Connector
Description
LAN link is not established.
LAN link is established.
LAN activity is occurring.
Intel® Server Board S3420GP User Guide