Siemens SIMATIC Panel PC 870 Equipment Manual page 92

Fault Diagnosis
Display
(hex)
46
49
48
4 A
4C
24
22
52
54
76
58
4B
4E
50
5 A
5B
5C
60
62
64
66
68
6A
6C
6E
70
72
7C
7E
96
80
88
8A
85
82
84
86
83
6-8
Meaning
TP_COPYRIGHT
TP_PCI_INIT
TP_CONFIG
TP_VIDEO
TP_VID_SHADOW
TP_SET_HUGE_ES
TP_8742_TEST
TP_KB_TEST
TP_KEY_CLICK
TP_KEYBOARD
TP_HOT_INT
TP_QUIETBOOT_START
TP_CR_DISPLAY
TP_CPU_DISPLAY
TP_DISPLAY_F2
TP_CPU_CACHE_OFF
TP_MEMORY_TEST
TP_EXT_MEMORY
TP_EXT_ADDR
TP_USERPATCH1
TP_CACHE_ADVNCD
TP_CACHE_CONFIG
TP_DISP_CACHE
TP_DISP_SHADOWS
TP_DISP_NONDISP
TP_ERROR_MSGS
TP_TEST_CONFIG
TP_HW_INTS
TP_COPROC
TP_CLEAR_HUGE_ES
TP_IO_BEFORE
TP_BIOS_INIT
TP_INIT_EXT_BDA
TP_PCI_PCC
TP_RS232
TP_LPT
TP_IO_AFTER
TP_FDISK_CFG_IDE_CTRLR
SIMATIC Panel PC 870 Computing Unit, Equipment Manual
Release 11/02
Description
Check copyright
Initialize the PCI interface
Check configuration
Initialize the video interface
Copy video BIOS to RAM
Switch ES to special mode
Test block 8742
Keyboard existing ?
Switch the keyboard click on/off
Check keyboard
Test for unexpected interrupts
If necessary, disable any boot
messages
Display copyright note
Display CPU type
Display message F2 for "Setup"
Disable cache if necessary (setup
setting)
Test system memory
Test extended memory
Test A20 address line
Entry for your own initializations
Determine and enable the cache size
Configure and test cache
Display the cache configuration
Display Shadow configuration and size
Display RAM
Non-disposable segment displays
Display post error
Check setup inconsistencies
Set IRQ vectors
Check whether the CO processor is
present
Switch ES back
Disable I/O modules
Various initializations
Initialize external BIOS data area
Determine the PCI modules
Determine serial interface
Determine parallel interface
Re-enable the IO modules
Configure IDE controller