Release 04/02

Fault Diagnosis

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

 

 

 

Panel PC 670 Computing Unit, Equipment Manual

6-9

Page 129
Image 129
Siemens PC 670 manual Post codes, Display hex Meaning Description