Product category: Communications ICs (Wired)
News Release from: Avago Technologies | Subject: HPFC-6400A and HPFC-6200A
Edited by the Electronicstalk Editorial Team on 26 October 2004
Fibre Channel controller speeds on PCI
Express bus
Agilent Technologies has developed the industry's first 4Gbit/s Fibre Channel controller IC to use the new PCI Express system bus.
Agilent Technologies has developed the industry's first 4Gbit/s Fibre Channel controller IC to use the new PCI Express system bus The latest device in Agilent's Tachyon series of industry-leading Fibre Channel controllers offers storage OEMs breakthrough performance and port density in a single chip
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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The Tachyon QX4 implements an eight-lane PCI Express system bus, which can support four times the bandwidth of prior PCI and PCI-X systems, up to 4Gbyte/s.
The HPFC-6400A Tachyon QX4 Fibre Channel controller IC provides the industry's highest performance for RAID disk arrays, storage subsystems, virtualisation devices, storage routers, host bus adapters and host computer motherboards for mid- to high-end storage applications that use multiprocessor systems.
Agilent is also making a four-channel 2Gbit/s PCI Express controller available with similar features.
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The Agilent Tachyon 4Gbit/s state-machine architecture easily scales to 8 and 10Gbit/s.
This architecture provides numerous independent functional blocks, which concurrently process inbound data, outbound data, and control and commands in hardware.
The result is simultaneous, parallel processing of inbound data, outbound data, and hardware control and commands to maximise bandwidth and minimise latency and I/O overhead.
The Tachyon QX4 supports 4, 2 and 1Gbit/s data transfer rates and offers an easy upgrade path to 4Gbit/s speeds while allowing design re-use for existing customers.
Agilent provides an extensive API tool set through its Tachyon software development kit (rev.
3.4), including sample drivers to enable new customers to quickly develop software solutions.
The Tachyon QX4 is part of the industry's broadest solution set for 4Gbit/s Fibre Channel, including fibre-optic transceivers, physical layer ICs, board-level solutions and test equipment.
The Tachyon QX4 also incorporates T-10 data integrity field (DIF) support to improve end-to-end data reliability from the host server to the target storage devices.
With the faster datarate of 4Gbit/s, the need to detect corrupted data is magnified.
T-10 DIF coding provides this detection and stays with the data for their entire life within the storage array.
The DIF is an 8byte protection field with a CRC and can be inserted into the data stream to verify Fibre Channel payloads on their way to the disk or the host.
This is implemented in the Tachyon state-machines (hardware), and provides a higher level of data integrity without compromising performance.
Samples of the 4Gbit/s HPFC-6400A Tachyon QX4 and the 2Gbit/s HPFC-6200A Tachyon QX2 are expected to be available for select customers through Agilent's direct sales channel in the fourth quarter of 2004.
Production volumes will be available in the first half of 2005. Request a free brochure from Avago Technologies ...
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