Error Diagnosis
Display | Meaning | Description |
(hex) |
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49 | TP_PCI_INIT | Initialize the PCI interface |
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48 | TP_CONFIG | Check the configuration |
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4A | TP_VIDEO | Initialize the video interface |
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4C | TP_VID_SHADOW | Copy the video BIOS to RAM |
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24 | TP_SET_HUGE_ES | Switch the ES to special mode |
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22 | TP_8742_TEST | Test circuit 8742 |
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52 | TP_KB_TEST | Keyboard available? |
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54 | TP_KEY_CLICK | Switch the keyboard click on/off |
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76 | TP_KEYBOARD | Check the keyboard |
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58 | TP_HOT_INT | Test for unexpected interrupts |
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4B | TP_QUIETBOOT_START | Switch off any boot messages |
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4E | TP_CR_DISPLAY | Display the copyright notice |
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50 | TP_CPU_DISPLAY | Display the CPU type |
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5A | TP_DISPLAY_F2 | Display the F2 message for “SETUP” |
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5B | TP_CPU_CACHE_OFF | Switch off the cache if applicable (SETUP |
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| setting) |
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5C | TP_MEMORY_TEST | Test the system memory |
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60 | TP_EXT_MEMORY | Test the extended memory |
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62 | TP_EXT_ADDR | Test the A20 address line |
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64 | TP_USERPATCH1 | Area for own initializations |
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66 | TP_CACHE_ADVNCD | Determine and enable the cache size |
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68 | TP_CACHE_CONFIG | Configure and test the cache |
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6A | TP_DISP_CACHE | Display the cache configuration |
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6C | TP_DISP_SHADOWS | Configuration and size of the shadow |
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| Display RAM |
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6E | TP_DISP_NONDISP | Display |
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70 | TP_ERROR_MSGS | Display post error |
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72 | TP_TEST_CONFIG | Check SETUP irregularities |
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7C | TP_HW_INTS | Set the IRQ vectors |
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7E | TP_COPROC | Check whether the CO processor is |
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| present |
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96 | TP_CLEAR_HUGE_ES | Switch the ES back |
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80 | TP_IO_BEFORE | Disable IO circuits |
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88 | TP_BIOS_INIT | Various initialisations |
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8A | TP_INIT_EXT_BDA | Initialize the external BIOS data area |
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85 | TP_PCI_PCC | Determine the PCI circuits |
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82 | TP_RS232 | Determine the serial interfaces |
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84 | TP_LPT | Determine the parallel interface |
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SIMATIC Box PC 620 Manual | |
