4 Power cord connector
Connect the power cord to this connector.
5 / 6 PCIe slots
There are two PCIe slots on the system board for installing appropriate PCIe adapters. For information about
the PCIe slots, see “Expansion slots” in
“Technical specifications” on page 3.
7 USB Type-A 2.0 connectors (x4)
These connectors are available for a Type-A compatible device that require USB 2.0 connection, such as a
keyboard, a mouse, or a USB flash drive.
8 Ethernet port (10/100/1000 Mbps RJ-45)
Connect an Ethernet cable to this connector for a LAN. This connector comes with LEDs for status
indication.
Figure 4. Ethernet port (10/100/1000 Mbps RJ-45) LEDs
LED
Description
1 Link LED
Use this LED to distinguish the network connectivity status:
• Off: The network link is disconnected, or the network link is established at the speed of 10
Mbps.
• Green: The network link is established at the speed of 100 Mbps.
• Orange: The network link is established at the speed of 1000 Mbps.
2 Activity LED
Use this LED to distinguish the network activity status:
• Off: No data is being transmitted.
• Blinking: Data is being transmitted.
9 HDMI connector
Connect a HDMI-compatible video device, such as a monitor, to this connector.
10 DisplayPort connectors (x2)
Connect a DisplayPort-compatible video device, such as a monitor, to this connector.
11 Audio line-out connector
Connect an audio device, such as a speaker or an earphone, to this connector.
Notes:
• This connector is only supported by Windows Client OS.
• Users may be aware of the low frequency noise via audio port in particular environments.
• Excessive sound pressure from earphone/headphone can cause hearing damage.
14
ThinkSystem ST45 V3 User Guide