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• Type 1
– Slot 1: PCIe x16 (x8, x4, x1), low-profile
– Slot 2: PCIe x16 (x16, x8, x4, x1), low-profile
• Type 2
– Slot 1: ML2 x8 (x8, x4, x1), low-profile
– Slot 2: PCIe x16 (x16, x8, x4, x1), low-profile
• Type 3
– Slot 1: ML2 x16 (x16, x8, x4, x1), low-profile
– Slot 2: PCIe x16 (x8, x4, x1), low-profile
3
PCIe slot on riser 2 assembly
Slot 3: PCIe x16 (x16, x8, x4, x1), low-profile
Note: PCIe slot 3 is supported only when two processors are installed.
4
Power supply 1
5
Power supply 2 (available on some models)
The hot-swap redundant power supplies help you avoid significant interruption to the operation of the
system when a power supply fails. You can purchase a power supply option from Lenovo and install the
power supply to provide power redundancy without turning off the server.
On each power supply, there are three status LEDs near the power cord connector. For information about the
LEDs, see "Rear view LEDs" on page 19.
6
NMI button
Press this button to force a nonmaskable interrupt (NMI) to the processor. By this way, you can make the
operating system halt (such as Windows Blue Screen of Death) and take a memory dump. You might have to
use a pen or the end of a straightened paper clip to press the button.
7
USB 3.0 connectors (2)
Used to attach a device that requires a USB 2.0 or 3.0 connection, such as a USB keyboard, USB mouse, or
USB storage device.
8
VGA connector
Used to attach a high-performance monitor, a direct-drive monitor, or other devices that use a VGA
connector.
9
XClarity Controller network connector
Used to attach an Ethernet cable to manage the system using XClarity Controller.
10
Ethernet connectors on LOM adapter (available on some models)
The LOM adapter provides two or four extra Ethernet connectors for network connections.
The leftmost Ethernet connector on the LOM adapter can be set as XClarity Controller network connector. To
set the Ethernet connector as XClarity Controller network connector, start Setup utility, go to BMC Settings
.
Chapter 2
Server components
17
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