Siemens SIMATIC PC RI25 Manual page 54

Error Diagnostics
Display (hex) Meaning
46 TP_COPYRIGHT
47 TP_PCI_OP_INIT
49 TP_PCI_INIT
48 TP_CONFIG
4A TP_VIDEO
4C TP_VID_SHADOW
52 TP_KB_TEST
54 TP_KEY_CLICK
76 TP_KEYBOARD
58 TP_HOT_INT
4B TP_QUIETBOOT_START
4E TP_CR_DISPLAY
50 TP_CPU_DISPLAY
5A TP_DISPLAY_F2
5B TP_CPU_CACHE_OFF
5C TP_MEMORY_TEST
60 TP_EXT_MEMORY
62 TP_EXT_ADDR
66 TP_CACHE_ADVNCD
68 TP_CACHE_CONFIG
6A TP_DISP_CACHE
6C TP_DISP_SHADOWS
72 TP_TEST_CONFIG
74 TP_RTC_TEST
7C TP_HW_INTS
7E TP_COPROC
94 TP_DISABLE_A20
80 TP_IO_BEFORE
4-14
Description
Test the copyright
Initialize the PCI interface
Initialize the PCI interface
Check the configuration
Initialize the video interface
Copy the video BIOS to RAM
Keyboard available?
Switch on/off the keyboard click
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
Determine and enable the cache size
Configure and test the cache
Display the cache configuration
Configuration and size of the shadow
Display RAM
Check SETUP irregularities
Test the REAL TIME CLOCK
Set the IRQ vectors
Check whether the CO processor is present
Disable the A20 line
Disable IO circuits
SIMATIC PC RI25/45
C79000-G7076-C806-01