Connectors and LEDs—MPCBL0010 SBC
Table 21. | Front Panel LED Descriptions (Sheet 2 of 2) | |
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LED |
| Function |
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|
|
| This LED has two functions. The LED will display POST codes in the event the SBC fails to boot. Once the |
HDD |
| SBC has booted and passed BIOS POST, this LED will indicate hard disk activity. |
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| |
|
| Hard Disk activity |
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| |
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| POST Codes. |
|
| Off / Green / Red / Amber |
|
| See Section , “” on page 55 for more detail. |
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|
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| IPMC Status. |
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| Slow Blink Green: IPMC Heartbeat. |
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| Fast Blink Green: There is traffic on the KCS interface of the IPMC. |
IPM |
| Slow Blink Red: The KCS interface request attention from the SMS or SMM. |
|
| Fast Blink Red: There is traffic on the IPMB interface of the IPMC. |
|
| It is not possible to override the behavior of this LED. |
|
| Off / Green / Red / Amber |
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|
|
U1 |
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|
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| User Defined (AdvancedTCA USER1). |
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| By default this LED is off. |
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| The LED’s default IPMC behavior can be overridden with AdvancedTCA FRU LED Control commands. |
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| Off / Green / Red / Amber |
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|
|
U2 |
|
|
|
| User Defined (AdvancedTCA USER2). |
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| By default this LED is off. |
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| The LED’s default IPMC behavior can be overridden with AdvancedTCA FRU LED Control commands. |
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| Off / Green / Red / Amber |
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|
|
Table 22. Ethernet 10/100 Debug Connector LED Operation
LED | Function |
|
|
LNK |
|
| Off: No Link |
| Amber: Link |
|
SPD
Off: 10Mb/s
Green: 100Mb/s
5.4.1POST LED Codes
The HDD LED uses a blinking sequence to display the current POST (Power On Self Test) code value. If the boot process succeeds, the POST code is irrelevant and the BIOS will change the state of the HDD LED to display hard disk activity just before the
| Intel NetStructure® MPCBL0010 Single Board Computer |
October 2006 | Technical Product Specification |
Order Number: 304120 | 55 |
