Lenovo thinksystem SN850 7X15, Руководство по установке

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Table 5. LEDs on the light path diagnostics panel (continued)
Lit light path diagnostics LED Description
System board The system board has failed.
NMI A nonmaskable interrupt has occurred, or the NMI button was pressed.
CPU mismatch The processors are mismatched.
Temp The system temperature has exceeded a threshold level.
Memory A memory error has occurred.
Storage BP 1 and 2 A drive backplane or its drives error has occurred.
M.2 A M.2 drive error has occurred.
KVM cable
Use this information for details about the KVM cable.
Use the KVM cable to connect external I/O devices to the compute node. The KVM cable connects through
the KVM connector (see “Compute node controls, connectors, and LEDs” on page 15). The KVM cable has
connectors for a display device (video), two USB 2.0 connectors for a USB keyboard and mouse, and a serial
interface connector.
The following illustration identifies the connectors and components on the KVM cable.
Figure 6. Connectors and components on the KVM cable
Table 6. Connectors and components on the KVM cable
1
Serial connector
4
Video connector (blue)
2
Captive screws
5
USB 2.0 ports (2)
3
to KVM connector
System-board layouts
Use this information to locate the connectors, LEDs, and switches on the system board.
Chapter 2
.
Compute node components
19