Desktop Board Features
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Onboard VR and CPU LEDs In addition to the standby power indicator (see Figure 3), the Desktop Board contains
two other LEDs (see Figure 5):
• The VR LED (Figure 5, A) indicates an elevated temperature in the processor
voltage regulator circuit that could affect performance.
• The CPU LED (Figure 5, B) indicates an elevated temperature on the processor that
could affect performance.
Figure 5. Location of the VR and CPU LEDs
Speaker A speaker is mounted on the Desktop Board. The speaker provides audible error code
(beep code) information during the Power-On Self-Test (POST). Refer to Appendix A
for a description of the board’s beep codes.