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Siemens PC 670 User Manual

Page 130

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Fault Diagnosis

Release 04/02

6-10

Panel PC 670 Computing Unit, Equipment Manual

Display (hex)

Description

Meaning

46

TP_COPYRIGHT

Test the copyright

49

TP_PCI_INIT

Initialize the PCI interface

48

TP_CONFIG

Check the configuration

4A

TP_VIDEO

Initialize the video interface

4C

TP_VID_SHADOW

Copy the video BIOS to RAM

24

TP_SET_HUGE_ES

Switch the ES to special mode

22

TP_8742_TEST

Test module 8742

52

TP_KB_TEST

Keyboard available?

54

TP_KEY_CLICK

Switch the keyboard click on/off

76

TP_KEYBOARD

Check the keyboard

58

TP_HOT_INT

Test for unexpected interrupts

4B

TP_QUIETBOOT_START

If necessary, disable any boot
messages

4E

TP_CR_DISPLAY

Display the copyright notice

50

TP_CPU_DISPLAY

Display the CPU type

5A

TP_DISPLAY_F2

Display the F2 message for ”SETUP”

5B

TP_CPU_CACHE_OFF

Switch off the cache if applicable
(SETUP setting)

5C

TP_MEMORY_TEST

Test the system memory

60

TP_EXT_MEMORY

Test the extended memory

62

TP_EXT_ADDR

Test the A20 address line

64

TP_USERPATCH1

Area for own initializations

66

TP_CACHE_ADVNCD

Determine and enable the cache size

68

TP_CACHE_CONFIG

Configure and test the cache

6A

TP_DISP_CACHE

Display the cache configuration

6C

TP_DISP_SHADOWS

Configuration and size of the shadow

Display RAM

6E

TP_DISP_NONDISP

Display non-disposable segment

70

TP_ERROR_MSGS

Display post error

72

TP_TEST_CONFIG

Check SETUP irregularities

7C

TP_HW_INTS

Set the IRQ vectors

7E

TP_COPROC

Check whether the CO processor is
present

96

TP_CLEAR_HUGE_ES

Switch the ES back

80

TP_IO_BEFORE

Disable IO modules

88

TP_BIOS_INIT

Various initializations

8 A

TP_INIT_EXT_BDA

Initialize the external BIOS data area

85

TP_PCI_PCC

Determine the PCI modules