Broadcom 5721 PCI-e Gigabit Single-Port

Single-chip device for server LAN-on-Motherboard (LOM) or 

network interface card (NIC) applications

Integrated 10/100/1000BASE-T transceiver

• 10/100/1000BASE-T triple-speed MAC

• High-speed RISC core with 24-KB cache

• SMBus 2.0 controller

• On-chip voltage regulation 

• Wake-on-LAN (WOL) power switching circuit

PCI Express host interface

• 1x lane

• Four-pin interface

• Functionality identical to PCI

Performance features

• TCP, IP, and UDP checksum

• Microsoft® Large Send Offload

• Large burst read

• Interrupt coalescing

Industry-compliant manageability features

• IPMI 1.5 support

• Standards-compliant WOL

• Innovative out-of-box mode WOL

• Hardware power switching

• 3.3V I/Os (5V tolerant)

• JTAG

http://www.broadcom.com/products/BCM5721