Emerson RTM-ATCA-7150 manual 114

Troubleshooting

Table A-1 POST code checkpoints (continued)

	Checkpoint	Description	Solution
	3B	Test for total memory installed in the	1.	Restart the ATCA-7150.
		system. Also, Check for the Delete or	2.	Replace the ATCA-7150.
		ESC key to limit memory test. Display
		total memory in the system.
	3C	Initialize Mid POST chipset registers.
	40	Detect different devices (such as parallel
		ports, serial ports, and coprocessor in
		CPU) successfully installed in the system
		and update the BDA, EBDA, and so on.
	50	Program the memory hole or any kind
		of implementation that needs an
		adjustment in system RAM size if
		needed.
	52	Update CMOS RAM memory size from
		the memory found in memory test.
		Allocate memory for the extended BIOS
		data area from base memory.
	60	Initialize NumLock status and program
		the keyboard typematic rate.
	75	Initialize Int-13 and prepare for IPL
		detection.
	78	Initialize IPL devices controlled by BIOS
		and optional ROMs.
	7A	Initialize remaining optional ROMs.	1.	Restart the ATCA-7150.
			2.	Upgrade the BIOS and restart the
				ATCA-7150.
			3.	Replace the ATCA-7150.
	7C	Generate and write contents of ESCD in	1.	Restart the ATCA-7150.
		NVRam.	2.	Check whether the BIOS write
				protection is enabled. If it is
				enabled, disable it and restart the
				ATCA-7150.
			3.	Replace the ATCA-7150.
	84	Record errors encountered during POST.	1.	Restart the ATCA-7150.
			2.	Replace the ATCA-7150.
114		ATCA-7150 and RTM-ATCA-7150 Getting Started (6806800G42B)