A short summary of 82559 features follows (source: Intel):
- Integrated IEEE 802.3 10BASE-T and 100BASE-TX compatible PHY
- Glueless 32-bit PCI master interface
- Glueless CardBus master interface
- Modem interface for combination solutions in PCI, CardBus, and MiniPCI designs
- PXE Support in Combo Designs
- 128 Kbyte Flash interface
- Integrated power management functions
- Thin BGA 15mm2 package
- ACPI and PCI Power Management standards compliance
- Wake on "interesting" packets and link status change support
- "Magic Packet" support
- Remote power up support
- Chained memory structure similar to the 82558, 82557, and 82596
- Improved dynamic transmit chaining with multiple priorities transmit queues -> Ethernet QoS enabled
- Backward compatible software to the 82558 and 82557
- Full Duplex support at both 10 and 100 Mbps
- IEEE 802.3u Auto-Negotiation support
- 3 Kbyte transmit and 3 Kbyte receive FIFOs
- Fast back-to-back transmission support with minimum interframe spacing
- IEEE 802.3x 100BASE-TX Flow Control support
- Adaptive Technology
- TCP/UDP checksum offload capabilities
- Low power 3.3 V device
- Efficient dynamic standby mode
- Deep power down support
- Clockrun protocol support
