IBM System x3550 M3 22
I/O expansion options
The server supports up to two PCI Express slots with different riser cards installed into two riser sockets
on the system planar (one riser socket supports installation of one riser card). The slot form factors are as
follows:
Slot 1: Low-profile
Slot 2: Full-height, half-length
Each slot is implemented using a riser card. Standard models have two riser cards installed, which
provide a total of two PCI Express 2.0 x16 slots (one slot per riser card). You can replace each standard
riser with a riser card with one PCI-X 64-bit/133 MHz slot (or configure this riser card instead of the
standard riser using a special bid or configure-to-order):
The following table lists the PCI riser card options.
Table 10. PCI riser card options
Part
number
Feature
code
Description Maximum
supported
46M1070 5076 IBM System x3550 M3 PCI-Express (1x16) Riser Card 2*
46M1071 5077 IBM System x3550 M3 PCI-X Riser Card (one PCI-X 1.0a 64-bit 133 MHz slot) 2
* Two 1x16 riser cards are installed in standard models
The server has an additional PCI Express slot dedicated to the RAID controller.
Network adapters
x3550 M3 supports up to four integrated Gigabit Ethernet ports. Two ports are standard, and two ports can
be added by installing an optional Dual-port Gigabit Ethernet Daughter card. This card uses a dedicated
connector on the motherboard and does not consume a PCI expansion slot.
Integrated NICs have the following features:
Broadcom BCM5709 chip
TCP Offload Engine (TOE) support
Wake on LAN support
802.1Q VLAN tagging support
NIC Teaming (Load Balancing and Failover)