1.5.2 System Rear View
Power Supply Socket
Power Supply LED
PS/2 Mouse/Keyboard Ports
USB Port
Serial Port
VGA Port
LAN Port x 2
1.5.3LED Definition Front Panel
LED | Color | State | Description |
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Power | Green | ON | Power ON |
| OFF | OFF | Power OFF |
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HDD Activity | Amber | Blinking | HDD access activity |
| OFF | OFF | No disk activity |
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LAN1/LAN2 Activity | Green | ON | LAN connected |
| Green | Blinking | LAN access activity |
| OFF | OFF | LAN disconnected |
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Warning | Reserved LED for future upgrade. It is not functional in | ||
| the B2891 barebone now. |
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Hot Swappable HDD | Green | ON | Power connected |
Tray Power LED | OFF | OFF | Power disconnected |
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Hot Swappable | Amber | Blinking | HDD access activity |
HDD Tray Access |
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LED (U4H only) | OFF | OFF | No disk activity |
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Chapter 1: Overview | 9 |