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3.4
Onboard LEDs
1.
Diagnosis LEDs (DIAG_VGA, DIAG_HDD, DIAG_DRAM, DIAG_CPU)
The Diagnosis LEDs provide the status of these key components during POST (Power-
On-Self Test): CPU, memory modules, VGA card, and hard disk drives. If an error is
found, the critical component's LED stays lit up until the problem is solved.
2.
TPU LED (TPU_LED)
The TPU LED lights up when the TPU switch is enabled.
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Chapter 3: Motherboard Information
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