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| Broadcom Serverworks HT-2000 HyperTransport SystemI/O Controller The HT-2000 is targeted at the volume server market with the capability to efficiently span from one-to-eight CPUs without incurring large latencies. The HT-2000 is a highly-scalable SystemI/O solution for 64-bit/32-bit processors that can be configured to meet OEMs' needs for a variety of product segments. The dual processor configuration shown above can be used for mainstream tower and rack servers. Additional HT-2000 devices can be added to a system to scale to larger multi CPU servers. |
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| The HT-2000 integrates: • Dual Broadcom BCM5714 GbE controller • 17 PCI-E links with support for up to four controllers • Full PCI-X® 1.0 compliance with up to five bus masters • Two HyperTransport™ ports with integrated tunnel • The HyperTransport features include: • 2-GHz (1-GHz, 2X) HyperTransport bus interface • CRC generation and error checking • Programmable error checking and handling • Scalable clock speeds as well as support for reduced bit widths of: 8 bits, 4 bits, and 2 bits • 16x HyperTransport transfer rates of 2000 Mbps, 1600 Mbps, 1200 Mbps, 1000 Mbps, 800 Mbps, and 400 Mbps, per wire • 8x HyperTransport transfer rates of 1600 Mbps, 1200 Mbps, 1000 Mbps, 800 Mbps, and 400 Mbps, per wire • Link disconnect protocol support • HyperTransport interrupt control and system management support • HyperTransport I/O link specification, Revision 1.05 compliant • The GbE features include: • Dual integrated 10/100/1000/BASE-T transceivers • Dual 10/100/1000 tri-speed, full-duplex/half-duplex MACs • VLAN tag support (IEEE 802.1q) • Layer 2 priority encoding (IEEE 802.1p) • Link aggregation (IEEE 802.3ad) • Jumbo frame support • SMBus 2.0 interface • Broadcom BCM5714 driver compatible • Universal Management Port (UMP) for server management traffic • Programmable rules checker for advanced packet filtering and classification • The PCI-E features include: • Configurable I/O with 17 serial links and four masters operating at 2.5 GHz with differential, low-voltage signaling • Recoverable CRC errors with retransmission • 64-bit addressing support • Advanced error-detection, error-transmission on destination bus • Integrated bit-error generator and monitor function • PCI-Express™V1.0 and 1.0a compliant • The PCI-X features include: • Concurrency between HyperTransport and PCI-X bus • Eight-deep outbound request queue (HyperTransport to PCI-X) • Eight-deep HyperTransport to PCI-X memory write posting • Eight-deep PCI-X to HyperTransport request queue (PCI-X to main memory transactions) • Parity protection on the PCI-X bus • Integrated PCI-X bus arbitration for up to five PCI-X bus masters • Up to 133 MHz support • Multiprocessing SystemI/O™ controller for the HyperTransport-enabled processors offering integration, performance, reliability, availability, scalability, and modularity • Integrates all main server I/O interconnects PCI-E, PCI-X, and GbE • Best-in-class 64-bit performance • HyperTransport-based architecture reduces I/O bottlenecks and improves overall system performance • Best-in-class 64-bit and 32-bit performance • Industry proven reliability and availability • Reusable design methodology used with field-proven functional blocks • Designed for 24/7 enterprise computing uptime • Advanced error detection and correction • Comprehensive driver suite from BCM57XX product family • Extensive scalability • HyperTransport multiprocessor architecture allows superior per processor scalability compared to similar x86 architectures • Individual HyperTransport link widths and clock speeds easily suit cost/performance targets • Multiple HT-2000 SystemI/O controllers deliver plenty of bandwidth and I/O slots • Modular architecture • Modular building blocks allow platform designs that scale from the low-end all the way to high-end • System I/O modularity keeps costs low without sacrificing functionality • Modular design allows more freedom to differentiate from competition • The HT-2000 utilizes the HyperTransport interconnect to the CPU/host bridge to a variety of South Bridge and I/O bridge solutions. This building block approach enables OEMs to tailor systems to their applications. TARGET APPLICATIONS • Uni, dual, and quad processor servers • Workstations • Server clusters • Storage systems (NAS) |
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| See also! Serverworks HT-1000 here |
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