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Display
(hex)
49
48
4A
4C
24
22
52
54
76
58
4B
4E
50
5A
5B
5C
60
62
64
66
68
6A
6C
6E
70
72
7C
7E
96
80
88
8A
85
82
84
86
83
89
8C
90
SIMATIC Box PC 620 Manual
C79000-G7076-C639-04
Meaning
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 Configure the IDE controller
TP_ENABLE_NMI
TP_FLOPPY
TP_FDISK
Error Diagnosis
Description
Initialize the PCI interface
Check the configuration
Initialize the video interface
Copy the video BIOS to RAM
Switch the ES to special mode
Test circuit 8742
Keyboard available?
Switch the keyboard click on/off
Check the keyboard
Test for unexpected interrupts
Switch off any boot messages
Display the copyright notice
Display the CPU type
Display the F2 message for "SETUP"
Switch off the cache if applicable
(SETUP setting)
Test the system memory
Test the extended memory
Test the A20 address line
Area for own initializations
Determine and enable the cache size
Configure and test the cache
Display the cache configuration
Configuration and size of the shadow
Display RAM
Display nondisposable segment
Display post error
Check SETUP irregularities
Set the IRQ vectors
Check whether the CO processor is
present
Switch the ES back
Disable IO circuits
Initialize the BIOS data area
Initialize the external BIOS data area
Determine the PCI circuits
Determine the serial interfaces
Determine the parallel interface
Reenable the IO circuits
Enable the NMI
Initialize the floppy controller
Initialize the hard disk controller
7-5

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