Installing System Components 117• When the optional x16-link riser is installed, slot 4 is not available.• The expansion-card slots are not hot-swappable.• Besides the integrated storage controller, the system supports a maximumof two PERC or SAS controller expansion cards to manage externalstorage.CAUTION: To ensure proper cooling no more than two of the four expansion cardscan have a power consumption of greater than 15W (up to 25W maximum each),not including the integrated storage controller.• Table 3-1 provides a guide for installing expansion cards to ensure propercooling and mechanical fit. The expansion cards with the highest priorityshould be installed first using the slot priority indicated. All otherexpansion cards should be installed in card priority and slot priority order.Table 3-1. Expansion-Card Installation OrderInstalling an Expansion CardWARNING: Only trained service technicians are authorized to remove the systemcover and access any of the components inside the system. Before you begin thisprocedure, review the safety instructions that came with the system.NOTE: Before installing any expansion cards, see "Expansion Card InstallationGuidelines."NOTE: The procedure for installing expansion cards into risers 1 and 2 is the sameexcept that slots 3 and 4 on riser 2 have card-edge guides for installing 24.13-cm(9.5-inch) expansion cards.CardPriority Card Type Slot PriorityMaxAllowedGreaterThan 15W?1 PERC 6/E controller 3,4,1 2 Y2 10 Gb NIC 3,4,1,2 2 Y3 All other Dell storage cards 3,4,1 2 Y4 All other NICs 1,2,3,4 41 N25 Non-Dell storage cards 1,2,3,4 41 N21 Maximum of 2 of any card whose maximum power exceeds 15W.2 Refer to the expansion card documentation to ensure that the maximum power does not exceed15W.
