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5-3
Connector Defi nitions
LAN1~4 (Ethernet Ports)
Four 10-Gigabit Ethernet ports
(designated LAN1 through LAN4) are
located in the rear of the K1048-RT
server. Additionally, there is a dedicated
LAN for IPMI in the rear of the server.
These Ethernet ports accept RJ45
type cables.
Note: Please refer to the LED Indicator
Section for LAN LED information.
Fan Headers
This mainboard has six system fan
headers on the mainboard. These
4-pin fans headers are backward
compatible with the traditional 3-pin
fans. The fan speeds are controlled
by fi rmware thermal management via
IPMI 2.0. See the table on the right for
pin defi nitions.
Chapter 5: Advanced Serverboard Setup
Fan Header
Pin Defi nitions
Pin# Defi nition
1
Ground
2
+12V
3
Tachometer
4
Firmware Thermal Control
5-3
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