• Do not install PCIe adapters with small form factor (SFF) connectors in PCIe slot 6.• Observe the following PCIe slot selection priority when installing an Ethernet adapter or a convergednetwork adapter:Number of installed processors PCIe slot selection priorityOne processor 4, 2, 3, 1Two processors 4, 2, 6, 3, 5, 1PCIe slots 1, 2, and 3 on riser 1:There are four different riser cards that can be installed in riser 1.• Type 1– Slot 1: PCIe x16 (x8, x4, x1), full-height, half-length– Slot 2: PCIe x16 (x8, x4, x1), full-height, half-length– Slot 3: PCIe x16 (x8, x4, x1), full-height, half-length• Type 2– Slot 1: PCIe x16 (x8, x4, x1), full-height, half-length– Slot 2: PCIe x16 (x8, x4, x1), full-height, half-length– Slot 3: ML2 x8 (x8, x4, x1), full-height, half-length• Type 3– Slot 1: PCIe x16 (x16, x8, x4, x1), full-height, half-length– Slot 2: Not available– Slot 3: PCIe x16 (x8, x4, x1), full-height, half-length• Type 4– Slot 1: PCIe x16 (x8, x4, x1), full-height, half-length– Slot 2: Not available– Slot 3: ML2 x16 (x16, x8, x4, x1), full-height, half-lengthPCIe slot 4 on the system board: PCIe x8 (x8, x1), low-profilePCIe slots 5 and 6 on riser 2:• Slot 5: PCIe x16 (x16, x8, x4, x1), full-height, half-length• Slot 6: PCIe x16 (x16, x8, x4, x1), full-height, half-length14 Rear 3.5-inch drive bays (2)Used to install up to two 3.5-inch hot-swap drives on the rear of the server. The rear 3.5-inch drive bays areavailable on some models.The number of the installed drives in your server varies by model. The EMI integrity and cooling of the serverare protected by having all drive bays occupied. The vacant drive bays must be occupied by drive bay fillersor drive fillers.20 ThinkSystem SR650 Maintenance Manual
