Manufacturer Part Number82550GY
DescriptionIntel 82550 Fast Ethernet Multifunction PCI/CardBus Controller
ManufacturerIntel Corporation
82550GY datasheet
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Ethernet Multifunction
PCI/CardBus Controller
Product Brief
The Intel
82550 Fast Ethernet Multifunction PCI/CardBus Controller is a third-generation, fully
integrated, Fast Ethernet Media Access Controller (MAC)/Physical Layer (PHY) device. The MAC
offers a low-cost, high-performance 10/100Mbps LAN solution. In addition, the 82550 requires
low real estate, which is important when competing for precious board space. The 82550’s baseline
functionality is equivalent to that of the 82559 with the addition of an integrated IP Security (IPSec)
encryption engine and Alert on LAN* 2 functionality.
Product Description
The 82550, with an integrated IP Security (IPSec) encryption engine and Alert on LAN functionality,
is Intel’s premium 10/100 network connectivity solution. It is designed for use in Network Interface
Cards (NICs), PC LAN on Motherboard (LOM) designs, embedded systems, and networking
systems products. The 82550 combines advanced security and manageability features to provide a
secure and easily managed Fast Ethernet connectivity solution for today’s networked environment.
The 82550 continues Intel’s platform LAN technology leadership by integrating the following features:
Triple Data Encryption Standard (3DES) IPSec encryption engine, Alert on LAN 2 functionality
and Advanced Configuration and Power Interface (ACPI) 1.2A-based power management. It also
supports wake on Magic Packet*, wake on interesting packet, and advanced System Management
Bus (SMB) manageability. The 82550 complies with Wired for Management (WfM) Specification
2.0, PC 01 and Server 00 specifications. The 82550 is pin compatible with the 82559, allowing
these designs to be upgraded.
The 82550 is designed for use in the following applications:
LAN on Motherboard (LOM) implementations
Network Interface Card (NIC) adapters
Product Features
Enhanced IP Support
– TCP, UDP, IPv4 checksum offload
– Received checksum verification
– IP Security support
Quality of Service (QoS)
– Multiple priority transmit queues
Optimum Integration for Lowest
Cost Solution
– Integrated IP Security encryption engine
– Integrated IEEE 802.3 10BASE-T and
100BASE-TX compatible PHY
– 32-bit PCI/CardBus master interface
– Modem interface for combination
– Integrated power management functions
– Thin BGA 15 mm
82550 Fast
Embedded applications
Networking systems
Wired for Management (WfM) and
Reduced Total Cost of Ownership
– Wired for Management support
– Integrated Alert on LAN 2 support
– Advanced Configuration and Power
Interface and PCI power management
specifications compliance
– Wake on “interesting” packets and link
status change support
– Magic Packet support
– Remote power-up support
– High-performance networking functions
– Early release
– Chained memory structure similar to the
82559, 82558, 82557, and 82596
– Improved dynamic transmit chaining with
multiple priorities transmit queues