You can install up to eight low-profile PCIe in the system. All slots are wired to x8 PCIe lanes. Slot 1 and Slot 7 support graphics cards with x16 connectors. Slot 4 and Slot 5 also support 10-Gbyte Ethernet cards (XAUI cards). When a XAUI card is installed, a PCIe card cannot be installed in the same slot.
If you are installing a XAUI card, note the following:
If you are installing a XAUI card in XAUI Port 0, the onboard NET1 port is disabled.
If you are installing a XAUI card in XAUI Port 1, the onboard NET0 port is disabled.
Use the following guidelines to spread the load evenly across CMP/memory modules. If a slot is already populated with a device, install a new device in the next available slot, in the order indicated.
Note - These are guidelines to spread out the I/O load across multiple CMP/memory module pairs. These are not configuration restrictions.
External I/O Expansion Unit PCIe Link cards must be placed in a PCIe slot with a CMP/memory module pair present as follows:
PCIe Slots 0 and 1 require CMP/Memory pair 0.
PCIe Slots 4 and 5 require CMP/Memory pair 1.
PCIe Slots 2 and 3 require CMP/Memory pair 2.
PCIe Slots 6 and 7 require CMP/Memory pair 3.