Internal dual SD module (optional)The Internal Dual SD Module (IDSDM) card provides two SD card slots. This card offers the followingfeatures:• Dual card operation — maintains a mirrored configuration by using SD cards in both the slots andprovides redundancy.NOTE: When the Redundancy option is set to Mirror Mode in the Integrated Devices screen ofSystem Setup, the information is replicated from one SD card to another.• Single card operation — single card operation is supported, but without redundancy.Removing an internal SD cardPrerequisites1. Follow the safety guidelines listed in the Safety instructions section.2. Follow the procedure listed in the Before working inside your system section.CAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat are shipped with your product.NOTE: Temporarily label each SD card with its corresponding slot number before removal. Re-install the SD card(s) into the corresponding slots.StepsLocate the SD card slot on the internal dual SD module and press the card to release it from the slot.134
