The locations of the PCIe slots are shown in the following figure.
Figure 8. Slot locations
The following table lists available PCIe riser card options.
Table 25. PCIe riser cards
Description
Part
number
Feature
code
Maximum
quantity
ThinkSystem SR250/SR150 x8/x8 PCIe Riser
4C57A12111 B418
1
ThinkSystem SR250 x16 PCIe Riser
4C57A12110 B417
1
Configuration notes:
A riser card is required.
The PCIe x8 riser card supplies slots 1 and 2, and the PCIe x16 riser card supplies slot 2.
The following adapter types are supported:
Controllers for internal storage
SAS adapters for external storage
Fibre Channel host bus adapters
Network adapters
The SR250 server supports two onboard Gigabit Ethernet network ports that are based on the Broadcom
BCM5720 network interface controller (NIC) chip.
The integrated NIC has the following features:
Two 10/100/1000 Mb Ethernet RJ-45 ports
NIC Teaming (load balancing and failover)
I/O Virtualization (IOV) for VMWare NetQueue and Microsoft VMQ
IEEE 802.1Q Virtual Local Area Networks (VLANs)
IEEE 802.3x flow control
TCP, IP, and UDP checksum offload
Large Send Offload (LSO) and TCP Segmentation Offload (TSO)
Receive Side Scaling (RSS) and Transmit Side Scaling (TSS)
Jumbo frames up to 9600 bytes
IEEE 802.3az-2010 Energy Efficient Ethernet (EEE) compliant
Hardware assist for IEEE 1588 and IEEE 802.1AS time synchronization implementations
Preboot eXecution Environment (PXE) and iSCSI remote boot options
Lenovo ThinkSystem SR250 Server
28