Front I/O moduleThe front I/O module provides controls, connectors, and LEDs. The front I/O module varies by model. Formore information, see “Front I/O module” on page 21.PCIe slotsThe PCIe slots are on the rear or front of the server, and your server supports up to 12 PCIe slots. For moreinformation, see “PCIe slots and PCIe adapters” on page 54.Pull-out information tabThe Lenovo XClarity Controller network access label is attached on the pull-out information tab. The defaultLenovo XClarity Controller hostname and the IPv6 Link Local Address (LLA) are provided on the tab.For more information, see Set the network connection for the Lenovo XClarity Controller.Rack latchesIf your server is installed in a rack, you can use the rack latches to help you slide the server out of the rack.You also can use the rack latches and screws to secure the server in the rack so that the server cannot slideout, especially in vibration-prone areas.VGA connectorThe VGA connectors on the front and rear of the server can be used to attach a high-performance monitor, adirect-drive monitor, or other devices that use a VGA connector.Ethernet connectorsFigure 3. OCP module (two connectors) Figure 4. OCP module (four connectors)The OCP module provides two or four extra Ethernet connectors for network connections. By default, any ofthe connectors on the OCP module can function as a shared management connector.Front I/O moduleThe front I/O module provides controls, connectors, and LEDs. The front I/O module varies by model.Chapter 2. Server components 21