Siemens SIMATIC PC 670, Equipment Manual

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Fault Diagnosis
Release 04/02
6-9
Panel PC 670 Computing Unit, Equipment Manual
POST codes
The POST codes in order of occurrence:
Display (hex) Meaning Description
02 TP_VERIFY_REAL Test whether the CPU is in real mode
1C TP_RESET_PIC Reset the interrupt controller
12 TP_RESTORE_CRO Restore the controller register
13 TP_PCI_BM_RESET Reset the PCI bus master
36 TP_CHK_SUTDOWN Check the shutdown code
24 TP_SET_HUGE_ES Switch the ES to special mode
03 TP_DISABLE_NMI Switch off the NMI
0A TP_CPU_INIT Early initialization of the CPU
04 TP_GET_CPU_TYPE Determine the CPU type
AE TP_CLEAR_BOOT Edit the boot flag
06 TP_HW_INIT Initialize the main hardware
18 TP_TIMER_INIT Initialize the timer
08 TP_CS_INIT Initialize the chip set
C4 TP_PEM_SIZER_INIT Reset system error
0E TP_IO_INIT Initialize IO
0C TP_CACHE_INIT Initialize the cache
16 TP_CHECKSUM EPROM checksum test
28 TP_SIZE_RAM Determine the RAM size
3A TP_CACHE_AUTO Determine the cache size
2A TP_ZERO_BASE Set 512k base RAM to 0
2C TP_ADDR_TEST Test the base RAM address cables
2E TP_BASERAML Basis RAM, check 1st 64k
0A TP_CPU_INIT Initialize the CPU
38 TP_SYS_SHADOW BIOS shadow
0B TP_CPU_CACHE_ON Switch on the cache
0F TP_FDISK_INIT Initialize the hard disk
10 TP_PM_INIT Initialize the power management
14 TP_8742_INIT Initialize module 8742
1A TP_DMA_INIT Initialize the DMA modules
1C TP_RESET_PIC Reset the interrupt controller
32 TP_COMPUTE_SPEED Determine the clock pulse speed
C1 TP_740_INIT Initialize the PG 740 I/Os
34 TP_CMOS_TEST Test the CMOS RAM
3C TP_ADV_CS_CONFIG Configure the advanced chip set
42 TP_VECTOR_INIT Initialize the interrupt vectors