18 Intel Server Board SE7501BR2 Product Guide
Network Interface Controllers (NICs)
The Intel
®
Server Board SE7501BR2 includes one 10/100Base-TX network connection, based on
the Intel 82550PM Fast Ethernet Controller (NIC1)
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, and one 10/100/1000Base-TX network
connection, based on Intel 82540EM Gigabit Ethernet Controller (NIC2). Facing the rear of the
system, the gigabit controller is on the left, next to the video connector.
You can disable the embedded NICs in BIOS Setup Utility. When disabled, the controller(s) are
not visible to the operating system.
✏
NOTE
To ensure EMC (Electromagnetic Compatibility) product regulation
compliance, the system must be used with a shielded LAN cable.
Supported Network Features
The SE7501BR2 supports the following features of the 82550PM and 82540EM controllers:
• Glueless 32-bit PCI Bus Master Interface (Direct Drive of Bus), compatible with PCI Bus
Specification, revision 2.1 / 2.2
• Chained memory structure, with improved dynamic transmit chaining for enhanced
performance
• Programmable transmit threshold for improved bus utilization
• Early receive interrupt for concurrent processing of receive data
• On-chip counters for network management
• Autodetect and autoswitching for 10 or 100 MB/s network speeds (82550 only)
• Support for 10 Mb/s, 100 Mb/s, and 1000 Mb/s networks, full or half duplex-capable, with
back-to-back transmit at 100 MB/s
• Integrated physical interface to TX magnetics
• The magnetics component terminates the 100Base-TX connector interface. A flash device
stores the network ID
• Support for Wake on LAN (WOL)
• Advanced Networking Service Features (Teaming, Load balancing)
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NIC1 is the designated Intel Server Management NIC.
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