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Appendix A
(44)Interrupts enabled(if post switch is on). Going to initialize data to check
memory wrap around at 0:0.
(44) Going to initialize data to check memory re-map at 0:0.
(44)Start verify cycle if 128K RAM test.
(44)Initialize BIOS interrupts.(Beep)=2-1-2-1. Verify video configuration.
Error Code - 45
(45)Set up BIOS RAM .
(45)Data initialized. Going to check for memory wrap around at 0:0 and the total
system memory size.
(45)Detect & Initialize math CoProcessor; Initialize math CoProcessor.
(45)Check for parity errors.
(45)POST device initialization.
Error Code - 46
(46)Test controller and cache memory.
(46) Memory wrap around test done. Memory size calculation over, writing patterns
to test memory.
(46)display the setup message(to press Ctrl-Alt-Esc to enter setup), and enable
setup.
(46)No RAM errors.
(46)Check ROM copying notice.(Beep)=2-1-2-3. Initialize video system.
Error Code - 47
(47)Pattern to be tested written in extended memory,640K memory.
(47)Set system speed for boot.
(47)Got a RAM error.
(47)Initialize manager for PCI Options ROMs.(Beep)=2-1- 2-4.
Error Code - 48
(48)Memory test.
(48)Patterns written in base memory. Going to find out amount of memory below
1M memory.
(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
above 1M memory.
(49)Initialize PCI bus and devices.(Beep)=2-1-3-2.
Error Code - 4A
(4A)Amount of memory above 1M found and verified. Going for BIOS ROM data
area check.
(4A)Initialize all video adapters in system.(Beep)=2-1-3-3. Start 2nd protected
mode test.
Error Code - 4B
(4B) Amount of memory above 1M found and verified. Check for soft reset and
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.
(4B)Quiet-Boot start(optional).
(4C)#3 shutdown.
Error Code
-
4C
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(4C)Memory below 1M cleared.(SOFT RESET)Going to clear memory above 1M.
(4C)Shadow video BIOS ROM.(Beep)=2-1-4-1.Perform LDT instructions test.
Error Code - 4D
(4D)Memory above 1M cleared. (SOFT RESET)Going to save the memory size.(GOTO check
point#52h)
Error Code - 4E
(4E)Memory test started.(NO SOFT RESET)About to display the first 64K memory
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.
(4E)Display copying notice.(Beep)=2-1-4-3. Perform TR instruction test.
Error Code - 4F
(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.
(4F)If password is needed, ask for password. Clear the Energy Star logo(Green
BIOS only).Security check; Ask password security.
Error Code - 50
(50)#2 shutdown.
(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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