IBM System x3250 Installation Manual page 28

v The adapter slots are on the riser-card assembly. You must first remove the
v The two PCI Express slots on the riser-card assembly support PCI Express x8
v You can install one full-height three-quarter-length adapter in expansion slot 1
v The optional Remote Supervisor Adapter II SlimLine can be installed only in the
v The server uses a rotational interrupt technique to configure PCI Express
v An optional ServeRAID
v An optional IBM SAS HBA Controller adapter enables you to connect external
v The server scans the PCI slots to assign system resources. The scan sequence
14
IBM System x3250 Types 4364 and 4365: Installation Guide
riser-card assembly to access the adapter slots.
1.0a adapters.
and one low-profile half-length adapter in expansion slot 2.
dedicated connector on the system board (see "System-board optional-device
connectors" on page 6 for the location of the connector). To install the Remote
Supervisor Adapter II SlimLine, see "Installing a Remote Supervisor Adapter II
SlimLine" on page 17.
adapters so that you can install PCI Express adapters that do not support
sharing of interrupts.
™
hot-swap drives. A ServeRAID 8s controller supports the 2.5-inch hard disk drives
without modification. To use a ServeRAID 8s controller with hot-swap 3.5-inch
drives, you must connect it to the hard disk drive backplane with a SAS signal
cable that is 58 cm (22.8 in.) long. See http://www.ibm.com/servers/eserver/
serverproven/compat/us/ for information about ordering the cable.
storage devices, such as SAS or SATA hard disk drives or tape drives, to a
simple-swap SATA model server.
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 connected to the SAS/SATA
controller; then, the PCI Express slots 1 and 2.
Expansion-slot
bracket
8s controller provides RAID level 5 support to the
Adapter
Adapter support
bracket
Expansion slot 1
Riser-card
assembly
Expansion slot 2