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4 Memory module status LED
When the memory module status LED is lit in amber, it indicates that one or more memory modules are
overheated.
5 Microprocessor status LED (also known as CPU status LED)
When the microprocessor status LED is lit in amber, it indicates that one or two microprocessors are
overheated.
Intelligent Diagnostics Module Premium (IDM Premium)
The IDM Premium is available in some models to provide advanced diagnostic functions. The following
illustration shows the diagnostic LEDs on the IDM Premium panel.
Figure 10. IDM Premium panel
1 System fan error LEDs
4 Ambient temperature limit LED
2 CPU1 DIMM status LEDs
5 Microprocessor status LEDs
3 CPU2 DIMM status LEDs
6 Power supply error LEDs
22 ThinkServer User Guide