| LED | Function | 
|---|
| Address | Color | Power source voltage | Use | Fuse | Lighting | Off | Blinking | 
|---|
| LED1 | Green | 3.3VEP | LED lights during the controller board access to HDD | - | Accessing | Not Accessing | - | 
| LED2 | Green | 3.3VEP | LED lights during the controller board access to HDD | - | Accessing | Not Accessing | - | 
| LED16 | Red | 3.3VEP | Identify the BIOS/OS control | - | BIOS | OFF | OS | 
| LED8 | Red | 3.3VEP | For POST code | - | Indicates the POST code - LED8: MSB bit7
 - LED9: bit6
 - LED10: bit5
 - LED11: bit4
 - LED12: bit3
 - LED13: bit2
 - LED14: bit1
 - LED15: LSB bit0
 
  | 
| LED9 | Red | 3.3VEP | For POST code | - | 
| LED10 | Red | 3.3VEP | For POST code | - | 
| LED11 | Red | 3.3VEP | For POST code | - | 
| LED12 | Red | 3.3VEP | For POST code | - | 
| LED13 | Red | 3.3VEP | For POST code | - | 
| LED14 | Red | 3.3VEP | For POST code | - | 
| LED15 | Red | 3.3VEP | For POST code | - | 
| RJ45 | Red | 3.3VE | Indicates Ethernet connecting status | - | See "LEDs of RJ45 (Ethernet Connector)". | 
| RJ45 | Red | 3.3VE | Indicates Ethernet connecting status | - |