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| Broadcom Serverworks HT-1000 I/O Controller The HT-1000 is a highly-scalable System I/O solution for the 64-bit/32-bit processors that can be configured to meet OEMs' needs for a variety of product segments. It is particularly well suited to the volume server/blade and desktop market with the capability to efficiently span from 1-2 CPUs without incurring large latencies. The dual processor configuration uses the HT-2000 as a tunnel to the processors. By combining the HT-1000 with the HT-2000, servers can support four PCI-Express masters, an additional PCI-X 64/133 bus, and native dual GbE Broadcom controllers. HT-1000 can also be used to connect directly to the processors. This provides all the features needed for cost-effective volume servers, blades, and desktop systems. These features include 8x HT bus, PCI-X 64/133, SATA II, USB 2.0, 32-bit PCI, LPC, IDE, and SMBus. |
| Features The HT-1000 integrates: 8x HyperTransport bus Integrated South Bridge PCI-Xฎ 64 bus/133 bus PCI 32 bus/33 bus Four-port SATA II Four-port USB 2.0 Single-channel ATA 100 IDE SMBus ACPI Interrupt controller Floppy DMA LPC bus The HyperTransport features include: 8x HyperTransport interface Scalable individual link width and clock speed Split-transaction protocol eliminates retries, disconnects, and wait states CRC error generation and checking Programmable error handling System management capable HyperTransport link supports transfer rates of 1600 Mbps, 1200 Mbps, 800 Mbps, and 400 Mbps per wire Link disconnect protocol supported HyperTransport interrupt control supported HyperTransport I/O Link specification, revision 1.05 compliant The PCI-X Bus Bridge features include: Allows concurrency between HyperTransport and PCI-X buses Eight-deep outbound request queue (HyperTransport-to-PCI-X transactions) 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 that supports five PCI-X bus masters PCI-X bus error reporting Up to 133 MHz support SATA II paired with XelCore software features include: Xelcore-based RAID5 provides highest I/O performance Controller spanning provides simple expansion path to more storage, future I/O Tiered feature/pricing model allows for field upgrades SUMMARY OF BENEFITS Multiprocessing SystemI/O controller for the HyperTransport-enabled processors Performance, reliability, availability, scalability, and modularity Best-in-class 64-bit performance HyperTransport-based architecture reduces I/O bottlenecks and improves overall system performance Integrated processor memory controller minimizes latency, yielding better application performance Best-in-class 64-bit and 32-bit performance Industry-proven reliability and availability Reusable design methodology used with industry-proven functional blocks Designed for 24/7 enterprise computing uptime Advanced error detection and correction Extensive scalability HT multiprocessor architecture allows superior per-processor scalability compared to similar x86 architectures Individual HT link widths and clock speeds easily suit cost/ performance targets Multiple HT-1000 SystemI/O controllers deliver plenty of I/O devices and slots Modular architecture Modular building blocks allow platform designs that scale from the low-end all the way to high-end SystemI/O modularity keep costs low without sacrificing functionality Modular design allows more freedom to differentiate from competition The HT-1000 utilizes the HyperTransport to interconnect to the CPU/host bridge and I/O bridge solutions. This building block approach enables OEMs to tailor systems to their applications |
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| See also! Serverworks HT-2000 here |
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