Lenovo ThinkSystem ST650 V2 Maintenance Manual page 35

Connect the external LCD diagnostics handset here. See "External LCD diagnostics handset" on page 27 for
more details.
4 XClarity Controller network connector
Used to attach an Ethernet cable to manage the system using XClarity Controller.
5 USB 3.2 Gen 1 connectors
Used to attach a device that requires a USB 2.0 or 3.2 Gen 1 connection, such as a keyboard, a mouse, or a
USB flash drive.
6 NMI button
Press this button to force a nonmaskable interrupt to the processor. You might have to use a pen or the end
of a straightened paper clip to press the button. You can also use it to force a blue-screen memory dump.
Use this button only when you are directed to do so by Lenovo Support.
7 PCIe slots 1-4 (top to bottom)
Install PCIe adapters into these slots.
• Slot 1: PCIe4 x16, 75W, Full-height, half-length
• Slot 2: PCIe4 x8 (open end), 75W, Full-height, half-length
• Slot 3: PCIe4 x16, 75W, Full-height, half-length
• Slot 4: PCIe4 x8 (open end), 75W, Full-height, half-length
8 10Gb Ethernet connector
Used to attach a 10Gb Ethernet cable. Each 10Gb Ethernet connector has two status LEDs to help you
identify the Ethernet connectivity and activity. For more information, see "Rear view LEDs" on page 26.
Notes:
• Use CAT6A UTP cables rated at 625 MHz bandwidth for the 10Gb on-board LAN.
• Wake-on-LAN (WoL) is not supported on 10Gb ethernet connector under Windows OS.
9 Serial-port-module slot
Connect a 9-pin serial device to this connector. The serial port is shared with the XCC. The XCC can take
control of the shared serial port to redirect serial traffic, using Serial over LAN (SOL).
10 VGA connector
Used to attach a VGA-compatible video device, such as a VGA monitor.
PCIe slots 5-9 (top to bottom)
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Install PCIe adapters into these slots.
• Slot 5: PCIe4 x16, 75W, Full-height, half-length
• Slot 6: PCIe4 x8 (open end), 75W, Full-height, half-length
• Slot 7: PCIe4 x16, 75W, Full-height, half-length
• Slot 8: PCIe3 x8 (open end), 75W, Full-height, half-length (requires additional cable connection, see "PCIe
slot 8 cable routing" on page 52)
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Chapter 2 Server components
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