Table 41 : POST Codes (Continued)
Post | Diagnostic LED Decoder |
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G=Green, R=Red, A=Amber |
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Code | Description | |||||
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MSB |
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| LSB | |||
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39h | G | Off | R | A | Displaying bus initialisation error messages. | |
3Ah | G | Off | A | R | Display Setup Message: The new cursor position has been read and saved. | |
Displaying the Hit Setup message next. | ||||||
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40h | Off | R | Off | Off | Ensure Timer Keyboard Interrupts are on. | |
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| Memory Test: The amount of memory above 8 MB has been found and | |
4Bh | G | R | G | G | verified. Checking for a soft reset and clearing the memory below 8 MB for | |
the soft reset next. If this is a | ||||||
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| next. | |
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57h | Off | A | G | A | Chipset hook after memory size | |
53h | Off | R | A | A | Display processor cache size. | |
54h | Off | A | Off | R | Disable parity and nmi reporting. | |
60h | Off | R | R | Off | Test 8237 DMA Controller: The DMA page register test passed. Performing | |
the DMA Controller 1 base register test next | ||||||
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65h | Off | A | R | G | Init 8237 DMA Controller: The DMA controller 2 base register test passed. | |
Programming DMA controllers 1 and 2 next. | ||||||
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7Fh | G | A | A | A | Extended NMI enable: Extended NMI source enabling is in progress. | |
80h | R | Off | Off | Off | Enable Mouse and Keyboard: The keyboard test has started. Clearing the | |
output buffer and checking for stuck keys. Issuing the keyboard reset | ||||||
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| command next | |
81h | R | Off | Off | G | Keyboard Interface Test: A keyboard reset error or stuck key was found. | |
Issuing the keyboard controller interface test command next. | ||||||
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82h | R | Off | G | Off | Check Stuck Key Enable Keyboard: The keyboard controller interface test | |
completed. Writing the command byte and initialising the circular buffer | ||||||
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| next. | |
83h | R | Off | G | G | Disable parity NMI: The command byte was written and global data | |
initialisation has completed. Checking for a locked key next | ||||||
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84h | R | G | Off | Off | Verify RAM Size: Checking for a memory size mismatch with CMOS RAM | |
data next | ||||||
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84h | R | G | Off | Off | Check ATA Cable Type presence of ATAPI devices | |
84h | R | G | Off | Off | Display Keyboard Message | |
16h | Off | G | G | R | Display IDE mass storage devices. | |
17h | Off | G | G | A | Display USB mass storage devices. | |
85h | R | G | Off | G | Report the first set of POST Errors To Error Manager. | |
86h | R | G | G | Off | Boot Password Check: The password was checked. Performing any | |
required programming before Setup next. | ||||||
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8Dh | A | G | Off | G | OEM Patch 9 | |
8Dh | A | G | Off | G | Set Printer | |
8Dh | A | G | Off | G | Init FDD Devices: Resetting the hard disk controller next. | |
95h | R | G | Off | A | Lock out PS/2 keyboard/mouse if unattended start is enabled. | |
92h | R | Off | G | R | Option ROM Scan | |
98h | A | Off | Off | R | Init Boot Devices: The adapter ROM had control and has now returned | |
control to BIOS POST. Performing any required processing after the option | ||||||
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| ROM returned control. | |
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| Continued | |
132 | Viglen SX220 User Guide |
