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The POST Codes in order of occurrence:
Display
(hex)
02
1C
12
13
36
24
03
0A
04
AE
06
18
08
C4
0E
0C
16
28
3A
2A
2C
2E
38
20
29
33
C1
09
0A
0B
0F
10
14
1A
1C
32
C1
34
3C
42
46
SIMATIC Box PC 840 Manual
A5E00085984-04
Meaning
TP_VERIFY_REAL
TP_RESET_PIC
TP_RESTORE_CRO
TP_PCI_BM_RESET
TP_CHK_SUTDOWN
TP_SET_HUGE_ES
TP_DISABLE_NMI
TP_CPU_INIT
TP_GET_CPU_TYPE
TP_CLEAR_BOOT
TP_HW_INIT
TP_TIMER_INIT
TP_CS_INIT
TP_PEM_SIZER_INIT
TP_IO_INIT
TP_CACHE_INIT
TP_CHECKSUM
TP_SIZE_RAM
TP_CACHE_AUTO
TP_ZERO_BASE
TP_ADDR_TEST
TP_BASERAML
TP_SYS_SHADOW
TP_REFRESH
TP_PMM_INIT
TP_PDM_INIT
TP_7xx_INIT
TP_SET_IN_POST
TP_CPU_INIT
TP_CPU_CACHE_ON
TP_FDISK_INIT
TP_PM_INIT
TP_8742_INIT
TP_DMA_INIT
TP_RESET_PIC
TP_COMPUTE_SPEED
TP_740_INIT
TP_CMOS_TEST
TP_ADV_CS_CONFIG
TP_VECTOR_INIT
TP_COPYRIGHT
Error Diagnosis
Description
Test whether the CPU is in real mode
Reset the interrupt controller
Restore the controller register
Reset the PCI bus master
Check the shutdown code
Switch the ES to special mode
Switch off the NMI
Initialize the CPU
Determine the CPU type
Edit the boot flag
Initialize the main hardware
Initialize the timer
Initialize the chip set
Reset system error
Initialize IO
Initialize the cache
EPROM checksum test
Determine the RAM size
Determine the cache size
Set 512k base RAM to 0
Test the base RAM address cables
Check the 1.64k base RAM
BIOS-Shadow
Refresh block test
Initialize the post memory manager
Initialize the dispatch manager
Initialize the PG 7xx I/Os
Start power ON self-test
Initialize the CPU
Switch on the cache
Initialize the hard disk
Initialize the power management
Initialize the 8742 block
Initialize the DMA blocks
Reset the interrupt controller
Determine the clock pulse speed
Initialize the PG 740 I/Os
Test the CMOS RAM
Configure the advanced chip set
Initialize the interrupt vectors
Test the copyright
6-9

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