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Note: Microsoft Windows Server 2003 is required so you can use Active PCI
on the x3850 M2 and x3950 M2. Support in Linux distributions is planned for
later in 2008.
The optional ServeRAID MR10k adapter does not use a PCIe x8 slot because it
has a dedicated PCIe x8 customized 240-pin slot on the I/O board.
The PCI subsystem also supplies these I/O devices:
LSI 1078 serial-attached SCSI (SAS) controller
Broadcom dual-port 5709C 10/100/1000 Ethernet
Six USB ports, two on the front panel, three on the rear, one onboard
Remote Supervisor Adapter II adapter in a dedicated socket on the I/O board.
This adapter also provides the ATI ES1000 16 MB video controller.
EIDE interface for the DVD-ROM drive (some models)
Serial port
1.11 Networking
The IBM x3950 M2 and x3850 M2 servers have an integrated dual 10/100/1000
Ethernet controller that uses the Broadcom NetXtreme II BCM5709C controller.
The controller contains two standard IEEE 802.3 Ethernet MACs which can
operate in either full-duplex or half-duplex mode.
1.11.1 Main features
The Broadcom NetXtreme II dual port Gigabit capable Ethernet ports have the
following main features:
Shared PCIe interface across two internal PCI functions with separate
configuration space
Integrated dual 10/100/1000 MAC and PHY devices able to share the bus
through bridge-less arbitration
IPMI enabled
TOE acceleration (support for in the x3950 M2 and x3850 M2 is planned but
was not available at the time of writing).
Note: These onboard Ethernet controllers do not support iSCSI nor RDMA.
44
Planning, Installing, and Managing the IBM System x3950 M2
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