SINGLE-PORT 1000/2500BASE-X ETHERNET CONTROLLER WITH INTEGRATED OFFLOA
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BCM5708S
SINGLE-PORT 1000/2500BASE-X ETHERNET CONTROLLER WITH INTEGRATED OFFLOAD ENGINE, RDMA, iSCSI WITH EXPRESSFEATURES Single-chip solution LAN-on Motherboard (LOM)
Network Interface Card (NIC) applications Integrated 1000/2500BASE-X SerDes SGMII support Host interfaces Express® Host interface Auto-negotiation between 2.5G modes offload engine Full fast-path offload iSCSI controller iSCSI initiator RDMA controller (RNIC) RDMA over (iWARP)-RDMAC compliant Hardware-based data placement application buffers without intervention (for User Kernel modes) Other performance features Receive Side Scaling (RSS) TCP, checksum segmentation Adaptive interrupts Message Signal Interrupt (MSI) support Robust manageability Universal Management Port (UMP) remote boot Wake-On IPMI pass-through feature Statistics gathering (SNMP Ethernet-like MIB, Ethernet (802.3x, clause 30)) Comprehensive diagnostic configuration software suite ACPI 1.1a compliant power management Advanced network features Virtual LANs-802.1q VLAN tagging Jumbo frames 802.3x flow control Low-power CMOS design On-chip power circuit controller 400-ball FBGA package 3.3V I/Os JTAG
SUMMARY BENEFITS Industry's first 1000/2500 SerDes-based solution-power
space optimized server blade low-profile applications Extremely utilization TCP/IP applications Host free application code. Accelerated IP-based storage Lower utilization file-level storage protocols such CIFS iSCSI functionality with utilization RDMA support data placement application buffers reduces utilization lowers data transit latencies. Future-proof Flexible implementation TCP, iWARP, iSCSI accommodate specification changes interoperability issues. Performance-focused optimized throughput utilization Adaptive interrupts Gigabit Ethernet reduces utilization multi-CPU systems. allows interrupt distribution multi-CPU host system. Express host interface allows low-latency access memory resources. Robust highly manageable enables high bandwidth out-of-band system management functionality over shared infrastructure. 2.0, ACPI 1.1, Wake-On IPMI pass-through capability allows on-board management controllers access network OS-present OS-absent states. Server class reliability, availability, performance features Link aggregation load balancing Switch-dependent 802.3ad (LACP), generic trunking (GEC/FEC) Switch independent power zero airflow implementations Advanced power management Minimal real estate-ideal On-chip power circuit controller
OVERVIEW
10/100/1000/2500 Buffer Memory Memory Controller 1000/2500 SerDes
TCP/IP Offload Engine
iSCSI Protocol Offload
RDMA Protocol Engine
Express® Clock
Express
Control
SMBus
SFLASH Control
Signals
Interface
Interface
SFLASH Interface
BCM5708S provides fully integrated Layer Layer solution TCP/IP, RDMA, iSCSI along with complete 1000/2500BASE-X Gigabit Ethernet, IEEE 802.3 compliant Media Access Control (MAC), Physical Layer Transceiver solution high performance network applications. itself, BCM5708S provides complete single-chip Gigabit Ethernet with TCP/IP Offload Engine, RDMA (RNIC), iSCSI HBA, solution. BCM5708S different from other network controllers because process TCP/IP relevant protocols data directly from application buffers host, thereby relieving host from these time-consuming operations. receive path, BCM5708S processes frame highest layer supported present example, BCM5708S processes frame RDMA when frame RDMA frame. With appropriate configuration, BCM5708S simultaneously support following three functions: RDMA network interface controller (RNIC) iSCSI host adapter chimney-enabled network accelerator
Target Applications BCM5708S Gigabit Ethernet NICs LAN-on Motherboard (LOM) Gigabit Ethernet Server Blade Applications ISCSI Host Adapters (HBA) RDMA network interface card (RNIC)
Network Interface Cards (NIC) designs
Motherboard (LOM) designs 1000/2500
1000 Express BASE-SX/LX
BASE-X
Express
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BROADCOM CORPORATION 16215 Alton Parkway, P.O. 57013 Irvine, California 92619-7013
2006 BROADCOM CORPORATION. rights reserved. 5708S-PB06-R 10/10/06
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