Lenovo ThinkSystem DM3000x Hardware Installation And Maintenance Manual

Step 9. Remove the replacement DIMM from the antistatic shipping bag, hold the DIMM by the corners,and align it to the slot. The notch among the pins on the DIMM should line up with the tab in thesocket.Step 10. Make sure that the DIMM ejector tabs on the connector are in the open position, and then insert theDIMM squarely into the slot.The DIMM fits tightly in the slot, but should go in easily. If not, realignthe DIMM with the slot and reinsert it.Attention: Visually inspect the DIMM to verify that it is evenly aligned and fully inserted into theslot.Step 11. Push carefully, but firmly, on the top edge of the DIMM until the ejector tabs snap into place overthe notches at the ends of the DIMM.Step 12. Locate the NVMEM battery plug socket, and then squeeze the clip on the face of the battery cableplug to insert it into the socket.Make sure that the plug locks down onto the controller module.Step 13. Close the controller module cover.Reinstalling the controller moduleAfter you replace components in the controller module, reinstall it into the chassis.About this taskA video for this task is available at:• YouTube: https://www.youtube.com/playlist?list=PLYV5R7hVcs-Atzbq4KHJgYQHkA9FCH0-mStep 1. If you are not already grounded, properly ground yourself.Step 2. If you have not already done so, replace the cover on the controller module.Step 3. Align the end of the controller module with the opening in the chassis, and then gently push thecontroller module halfway into the system.Note: Do not completely insert the controller module in the chassis until instructed to do so.Step 4. Recable the system, as needed. If you removed the media converters (SFPs), remember to reinstallthem if you are using fiber optic cables.70 ThinkSystem DM3000x and DM5000x Hardware Installation and Maintenance Guide