Intel BLKDX58SO Product Guide - Page 25

Onboard VR and CPU LEDs, Speaker, Battery, Real-Time Clock

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Desktop Board Features Onboard VR and CPU LEDs The Desktop Board contains the following two LEDs (see Figure 6) that indicate the status of the board's voltage regulation circuitry and the processor: • The CPU LED (Figure 6, A) indicates an elevated temperature on the processor that could affect performance. • The VR LED (Figure 6, B) indicates an elevated temperature in the processor voltage regulator circuit that could affect performance. Figure 6. 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. Battery A battery on the Desktop Board keeps the values in CMOS RAM and the clock current when the computer is turned off. Go to page 57 for instructions on how to replace the battery. Real-Time Clock The Desktop Board has a time-of-day clock and 100-year calendar. The battery on the Desktop Board keeps the clock current when the computer is turned off. 25

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Desktop Board Features
25
Onboard VR and CPU LEDs
The Desktop Board contains the following two LEDs (see Figure 6) that indicate the
status of the board’s voltage regulation circuitry and the processor:
•
The CPU LED (Figure 6, A) indicates an elevated temperature on the processor that
could affect performance.
•
The VR LED (Figure 6, B) indicates an elevated temperature in the processor
voltage regulator circuit that could affect performance.
Figure 6.
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.
Battery
A battery on the Desktop Board keeps the values in CMOS RAM and the clock current
when the computer is turned off.
Go to page 57 for instructions on how to replace the
battery.
Real-Time Clock
The Desktop Board has a time-of-day clock and 100-year calendar.
The battery on the
Desktop Board keeps the clock current when the computer is turned off.