IBM 419452u - Servers System X3250 M2 Xeon 3.0ghz Installation Manual page 33

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v An optional ServeRAID
2.5-inch hot-swap drives and supports an external storage enclosure. A
ServeRAID-MR10i controller supports the 2.5-inch hard disk drives without
modification.
v An optional IBM SAS HBA Controller adapter enables you to connect external
storage devices, such as SAS or SATA hard disk drives or tape drives, to a
simple-swap SATA model server.
v The server scans the PCI slots to assign system resources. The scan sequence
is related to the startup sequence. If you have not changed the default startup
sequence, the server scans the PCI slots in the following order: the integrated
Ethernet controllers 1 and 2; then, the drives that are connected to the
SAS/SATA controller; then, PCI Express slots 1 and 2.
Expansion-slot cover
™
-MR10i controller provides RAID level-5 support to the
Adapter
Adapter support
bracket
Expansion slot 1
Riser-card
assembly
Expansion slot 2
Chapter 2. Installing optional devices
19