Genicom P45 user manual 113

POST (hex)		Debug Code Action			BIOS Program Definition		Possible Cause		Solution
25	00	-	-	-	Enumerating PCI bus number.	1.	Incompatible PCI devices.	1.	Remove all PCI/PCIE devices and
		> C1	> C3	>
	Stopped at 25				Assigning memory & I/O resource -				leave only the graphics card to test
									first. Test the devices one at a time to
					searching for a valid VGA device &				determine the one with problem.
					VGA BIOS then placing it in C000:0.
						2.	Incompatible USB devices.	2.	Remove all USB devices including
									the USB keyboard and instead use a
									PS/2 keyboard to test.
						3.	Defective graphics card.	3.	Replace the graphics card.
							(VGA BIOS did not initialize)
						4.	The graphics card was not installed	4.	Remove and reinstall the graphics
							properly.		card.
26	00	-	-	-	Initializing display card.	1.	Defective graphics card.	1.	Replace the graphics card.
		> C1	> C3	>
	Stopped at 26				Initializing onboard clock generator.
						2.	Initialized wrong BIOS process.	2.	Clear the CMOS data.
					Disabling respective clock resource		(Clock-gen circuit / Super IO
							circuit)
					to empty PCI & DIMM slots.
					Initializing onboard PWM3.
					Initializing onboard H/W monitor
					devices.
41	C3	-	-	-	Initializing the FDD device.	Detected floppy error.		Unplug the FDD cable and check for
		> 25	> 26	>
	Stopped at 41							errors or check the BIOS settings.
						* Mixed-up BIOS data could be one		* Replace a new BIOS chip.
							of the causes too.
50	Power on -> Stopped at 50				Initializing USB devices.	1.	USB failed to boot. (BBS issue)	1.	Clear the CMOS data first.
						2.	Incompatible USB devices.	2.	Try connecting the device to
									another USB port.
								3.	Test the USB devices one by one.
								4.	Set the USB power source to 5V by
									means of the 5V/5Vsb select jumper.

Debug LED POST and Troubleshooting

113

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