IBM System x3250 M4 Installation & User Manual

Also see for System x3250 M4: Product guide At-a-glance guide At-a-glance guide Product guide

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IBM System x3250 M4 Installation & User Manual Manual pdf 31 page image

v Hot-swap hard disk drive status LEDs (some models): This LED is used onSAS or SATA hard disk drives. When this LED is lit, it indicates that the drive hasfailed. If an optional IBM ServeRAID controller is installed in the server, when thisLED is flashing slowly (one flash per second), it indicates that the drive is beingrebuilt. When the LED is flashing rapidly (three flashes per second), it indicatesthat the controller is identifying the drive.Rear viewNote: The illustrations in this document might differ slightly from your hardware.The following illustration shows the LEDs and connectors on the rear of the fixedpower-supply model.Power-cordconnectorUSB 1-2 connectorUSB 3-4 connectorSerialconnectorVideoconnectorEthernet 1activity LEDEthernet 1link LEDEthernet 2activity LEDEthernet 2link LEDPCI slot 1 PCI slot 2AC Power LED(green)DC Power LED(green) Power-supplyerror LED(amber)NMI buttonThe following illustration shows the LEDs and connectors on the rear of theredundant power-supply model.ACDCACDCPower-cordconnectorUSB 1-2 connectorUSB 3-4 connectorSerialconnectorVideoconnectorEthernet 1activity LEDEthernet 1link LEDEthernet 2activity LEDEthernet 2link LEDPCI slot 1 PCI slot 2AC Power LED(green)DC Power LED(green) Power-supplyerror LED(amber)NMI buttonv Ethernet link LEDs: When these LEDs are lit, they indicate that there is anactive link connection on the 10BASE-T, 100BASE-TX, or 1000BASE-TXinterface for the Ethernet port.v Ethernet activity LEDs: When these LEDs are lit, they indicate that there isactivity between the server and the network.v AC power LED: This LED is used on power supply with Active Energy Manager(AEM). This green LED provides status information about the power supply.During typical operation, both the ac and dc power LEDs are lit. For any othercombination of LEDs, see the Problem Determination and Service Guide on theIBM System x Documentation CD.v DC power LED: This LED is use on power supply with AEM. This green LEDprovides status information about the power supply. During typical operation, bothChapter 1. The System x3250 M4 server 13