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– Slot 2, PCI Express x4 (x1)
Important: The x4 designation in parentheses for slot 2 identifies an x4 slot
that is designed to support x4 and x1 adapters that can downshift to operate
at the x1 bandwidth. For example, if you install an x4 adapter in slot 2 that
can downshift to x1 bandwidth, it will run at the x1 bandwidth. The x4
connector (slot 2) can be used for x1 and x4 adapters. Check the information
that comes with your adapter for compatibility information.
– Slot 3, PCI-X 64-bit/133 MHz
Note:
PCI-X slot 3 is enabled when the optional mini-PCI-X enablement card
is installed in the mini-PCI slot on the system board. When no
mini-PCI-X enablement card is installed, PCI-X slot 3 has no function.
– Slot 4, PCI 32-bit/33 MHz
– Slot 5, PCI 32-bit/33 MHz
v Some server models come with a mini-SAS/SATA RAID controller installed. The
SAS/SATA RAID controller enables integrated RAID level-0 and level-1. Some
models also come with a ServeRAID-MR10i SAS/SATA controller that enables
integrated RAID level-5 capability.
v The ServeRAID-MR10i SAS/SATA controller must be installed in slot 1, PCI
Express x8.
v You can install the mini-PCI-X enablement card or the mini-SAS/SATA RAID
controller in the mini-PCI slot on the system board.
v When the optional mini-PCI-X enablement card is installed in the mini-PCI slot,
it passes PCI-X signals from the mini-PCI-X Enablement Card to PCI-X slot 3.
v When the optional mini-PCI-X enablement card is installed in the server, the
server cannot support RAID level-0 and level-1.
v You can install supported full-length adapters in slots 1 through 5 (depending
on your model).
v The 64-bit slot 3 supports 3.3 V PCI-X adapters.
v The 32-bit slots 4 and 5 support 5.0 V keyed PCI adapters; they do not support
3.3 V keyed adapters. Universal adapters are supported in slots 4 and 5 if they
are universally keyed.
v An optional IBM Remote Supervisor Adapter II SlimLine can be installed only in
the dedicated connector on the system board. For additional information, see the
documentation that comes with this adapter.
v When you start the server for the first time after you install a Remote Supervisor
Adapter II SlimLine, the startup process will take several minutes longer than a
typical startup.
v The server scans PCI Express x8 slot 1, PCI Express x4 slot 2, PCI-X slot 3, and
PCI slots 4 and 5 to assign system resources. Then, the server starts the PCI
devices in the following order, if you have not changed the default startup
sequence: PCI Express x8 slot 1, PCI Express x4 slot 2, PCI-X slot 3, PCI slot 4,
and PCI slot 5.
v For a list of supported optional devices for the server, go to:
http://www.lenovo.com/accessories.
For the locations of the expansion slots on the system board, see the User Guide on
the ThinkServer Documentation DVD.
Chapter 2. Installing optional devices 27