Table 12. Diagnostic LED POST Code Decoder
PCI Bus
0x50h | OFF | R | OFF | R | Enumerating PCI busses |
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0x51h | OFF | R | OFF | A | Allocating resources to PCI busses |
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0x52h | OFF | R | G | R | Hot Plug PCI controller initialization |
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0x53h | OFF | R | G | A | Reserved for PCI bus |
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0x54h | OFF | A | OFF | R | Reserved for PCI bus |
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0x55h | OFF | A | OFF | A | Reserved for PCI bus |
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0x56h | OFF | A | G | R | Reserved for PCI bus |
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0x57h | OFF | A | G | A | Reserved for PCI bus |
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USB |
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0x58h | G | R | OFF | R | Resetting USB bus |
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0x59h | G | R | OFF | A | Reserved for USB devices |
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ATA / ATAPI / SATA |
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0x5Ah | G | R | G | R | Resetting PATA / SATA bus and all devices |
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0x5Bh | G | R | G | A | Reserved for ATA |
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SMBUS |
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0x5Ch | G | A | OFF | R | Resetting SMBUS |
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0x5Dh | G | A | OFF | A | Reserved for SMBUS |
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Local Console |
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0x70h | OFF | R | R | R | Resetting the video controller (VGA) |
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0x71h | OFF | R | R | A | Disabling the video controller (VGA) |
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0x72h | OFF | R | A | R | Enabling the video controller (VGA) |
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Remote Console |
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0x78h | G | R | R | R | Resetting the console controller |
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0x79h | G | R | R | A | Disabling the console controller |
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0x7Ah | G | R | A | R | Enabling the console controller |
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Keyboard (PS2 or USB) |
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0x90h | R | OFF | OFF | R | Resetting the keyboard |
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0x91h | R | OFF | OFF | A | Disabling the keyboard |
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0x92h | R | OFF | G | R | Detecting the presence of the keyboard |
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Intel® Server System SR1500AL User’s Guide | 103 |
