Dell R905, HX574 owner manual Expansion Cards, Expansion Card Installation Guidelines

5Lower the PEM into the system and rotate the PEM handle until the PEM is fully seated in the chassis.

Expansion Cards

Expansion Card Installation Guidelines

Your system supports up to eight PCI-Express (PCIe) expansion cards installed in connectors on the system board (see Figure 3-10).

•All slots support full-height, half-length cards.

•Up to two 25-W cards are supported; the remaining cards must be 15-W cards.

•Slots 1, 2, 5, 6, and 7 are x4 lane-width PCIe expansion slots.

•Slots 3 and 4 are x8 lane-width PCIe expansion slots.

•One expansion slot, labeled INT_STORAGE, is reserved for the system’s SAS controller card.

•If you are installing a Remote Access Control (RAC) card, it must be installed in the special card slot marked RAC_CONN. See "RAC Card" on page 83

Installing System Components

77