Genicom P45 user manual Debug LED Post and Troubleshooting, 112

112

POST (hex)	Debug Code Action	BIOS Program Definition		Possible Cause		Solution
C1	00 -> C0 -> Stopped at C1	Detecting memory.	1. Incompatible memory modules.		1.	Remove and reinstall the memory
	(00 -> C0 -> C1 ->					modules.
	Reset -> Looping)	Detecting DRAM size and type.
			2. Overclocking issue (tight DRAM		2.	Clear the CMOS then load the
		ECC auto-detection of L2 cache.
				timing).		default speed.
			3.	One of the memory modules is	3.	Try installing a single module only.
				defective.
C3/C5	C0 -> C1 -> Stopped at C3/C5	Expanding compressed BIOS code to	1. Tight DRAM timing (system is		1.	Clear the CMOS then load the
	(C0 -> C1 -> C3 ->	the DRAM.		unstable).		default speed.
	Reset -> Looping)
			2.	Insufficient DRAM voltage.	2.	Increase the DRAM’s voltage.
			3.	Overclocking issue.	3.	Remove and reinstall the memory
						modules.
CF	Shutdown -> Stopped at CF	Resume on S1/S3 failed.	1. Insufficient DRAM voltage.		1.	Increase the DRAM’s voltage.
	(Shutdown -> CF -> Reset)
			2.	Incompatible memory modules.	2.	Remove and reinstall the memory
						modules.
			3.	Overclocking issue (tight DRAM	3.	Load the default DRAM speed.
				timing).
			4.	BIOS issue.	4.	Upgrade to the latest BIOS.
E0	C0 -> C1 -> Stopped at E0	E0-EF Definition: Initializing PCIE	1. Mixed-up BIOS data.		1.	Clear the CMOS data.
		device check code.
			2.	Incompatible PCI devices.	2.	Remove and reinstall the PCI
						device.

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Debug LED POST and Troubleshooting