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Table 2.3 lists the PB926EJ-S LED indicators and their function.
| LED ID | Color | Device | Function |
|---|---|---|---|
| 5V OK | Green | D29 | Indicates that the 5V power supply is on |
| 3V3 OK | Green | D34 | Indicates that the 3V3 power supply is on |
| Standby | Red | D39 | Indicates that the PB926EJ-S is in standby mode and the power is off. This LED only functions when power is supplied to the board via connector J35 |
| Config | Amber | D44 | Indicates that the PB926EJ-S is in configuration mode. Configuration mode is entered by fitting the CONFIG link J32 on the board and powering-up The CONFIG link is a switch on some board versions. |
| FPGA Config | Yellow | D6 | Directly indicates the status of the FPGA Config pushswitch S4. LED is off when the switch is pressed |
| DEV CHIP Reconfig | Blue | D3 | Directly indicates the status of the DEV CHIP Reconfig pushswitch S5. LED is off when the switch is pressed |
| Reset | Amber | D4 | Directly indicates the status of the Reset pushswitch S2. LED is off when the switch is pressed |
| GP (User) Pushswitch | Green | D5 | Directly indicates the status of the general purpose pushswitch S3. LED is off when the switch is pressed |
| GP (User) LEDs | Green | D12-18, D20 | Eight general purpose LEDs. These LEDs are controlled individually by the lower eight bits of the SYS_LED register. See User switches and LEDs for further details |
| Ethernet | Green Yellow | J5 | Ethernet activity indicators. These LEDs are integral to the Ethernet connector J5 and are configured by writing to a register in the LAN91C111 fast Ethernet controller. See Ethernet interface for further details |
| Global Done | Green | D8 | Indicates that all the FPGA devices on the Logic Tiles have been configured |
| Local Done | Green | D7 | Indicates that the PB926EJ-S FPGA device has been configured |
| USB Debug Busy | Amber | D22 | Indicates that the embedded Real View ICE Micro Edition hardware is active |
| USB Debug On | Green | D23 | Indicates that the embedded RealView ICE Micro Edition hardware is enabled |