Table 11 NIC indicatorsConvention Status ConditionA Link and activity indicators are off The NIC is not connected to thenetwork.B Link indicator is green The NIC is connected to a validnetwork at its maximum port speed(1 Gbps or 10 Gbps).C Link indicator is amber The NIC is connected to a validnetwork at less than its maximumport speed.D Activity indicator is flashing green Network data is being sent orreceived.Internal dual SD module indicator codesThe Internal Dual SD module (IDSDM) provides you with a redundant SD card solution. You canconfigure the IDSDM for storage or as the OS boot partition. The IDSDM card offers the followingfeatures:l Dual card operation — maintains a mirrored configuration by using SD cards in both the slotsand provides redundancy.Note: When the Redundancy option is set to Mirror Mode in the Integrated Devices screenof System Setup, the information is replicated from one SD card to another.l Single card operation — single card operation is supported, but without redundancy.Figure 12 Internal dual SD module (IDSDM)1. LED status indicator (2)The following table describes the IDSDM indicator codes:The IDSDM indicator glows green when the card is online. The IDSDM indicator flashes green toindicate rebuild or activity. The IDSDM indicator flashes amber to indicate card mismatch or thatDell PowerEdge R430 system overview30 Dell PowerEdge R430 Owner's Manual