Compaq Mega-Post manual Error Code 4A, Error Code 4B, Error Code 4C, Error Code 4D

	Appendix A
AMI	(44)Interrupts enabled(if post switch is on). Going to initialize data to check
	memory wrap around at 0:0.
Award	(44) Going to initialize data to check memory re-map at 0:0.
Compaq	(44)Start verify cycle if 128K RAM test.
Phoenix	(44)Initialize BIOS interrupts.(Beep)=2-1-2-1. Verify video configuration.
	Error Code - 45
ACER	(45)Set up BIOS RAM .
AMI	(45)Data initialized. Going to check for memory wrap around at 0:0 and the total
	system memory size.
Award	(45)Detect & Initialize math CoProcessor; Initialize math CoProcessor.
Compaq	(45)Check for parity errors.
Phoenix	(45)POST device initialization.
	Error Code - 46
ACER	(46)Test controller and cache memory.
AMI	(46) Memory wrap around test done. Memory size calculation over, writing patterns
	to test memory.
Award	(46)display the setup message(to press Ctrl-Alt-Esc to enter setup), and enable
	setup.
Compaq	(46)No RAM errors.
Phoenix	(46)Check ROM copying notice.(Beep)=2-1-2-3. Initialize video system.
	Error Code - 47
AMI	(47)Pattern to be tested written in extended memory,640K memory.
Award	(47)Set system speed for boot.
Compaq	(47)Got a RAM error.
Phoenix	(47)Initialize manager for PCI Options ROMs.(Beep)=2-1- 2-4.
	Error Code - 48
ACER	(48)Memory test.
AMI	(48)Patterns written in base memory. Going to find out amount of memory below
	1M memory.
Phoenix	(48)Check Video configuration against CMOS.(Beep)=2- 1-3-1. Test for unexpected interrupts.
	Error Code - 49
	(49)Memory below 1M found and verified. Going to find out amount of memory
AMI	above 1M memory.
	(49)Initialize PCI bus and devices.(Beep)=2-1-3-2.
Phoenix	Error Code - 4A
	(4A)Amount of memory above 1M found and verified. Going for BIOS ROM data
AMI	area check.
	(4A)Initialize all video adapters in system.(Beep)=2-1-3-3. Start 2nd protected
Phoenix	mode test.
	Error Code - 4B
	(4B) Amount of memory above 1M found and verified. Check for soft reset and
AMI	going to clear memory below 1M for reset.(If power on, go to check point#4Eh).BIOS ROM
	data area check over. Going to check<ESC> and to clear
	memory below 1M for soft reset.
Phoenix	(4B)Quiet-Boot start(optional).
	Error Code - 4C
ACER	(4C)#3 shutdown.
AMI	(4C)Memory below 1M cleared.(SOFT RESET)Going to clear memory above 1M.
Phoenix	(4C)Shadow video BIOS ROM.(Beep)=2-1-4-1.Perform LDT instructions test.
AMI	Error Code - 4D
	(4D)Memory above 1M cleared. (SOFT RESET)Going to save the memory size.(GOTO check
	point#52h)
AMI	Error Code - 4E
	(4E)Memory test started.(NO SOFT RESET)About to display the first 64K memory
Award	test.
	(4E)If there is any error, show all the error messages on the screen & wait for user
	to press<F1>.Manufacturing POST loop or display messages; Reboot if manufacturing POST
	loop pin is set. Otherwise display any messages and enter
	setup.
Phoenix	(4E)Display copying notice.(Beep)=2-1-4-3. Perform TR instruction test.
	Error Code - 4F
AMI	(4F)Memory size display started. This will be updated during memory test. Going
	for sequential and random memory test. Processor in real mode after shutdown.
Award	(4F)If password is needed, ask for password. Clear the Energy Star logo(Green
	BIOS only).Security check; Ask password security.
	Error Code - 50
ACER	(50)#2 shutdown.
AMI	(50)Memory testing/initialization below 1M complete. Going to adjust displayed memory size
	for relocation /shadow. DMA page register test complete.
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