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Advansys IEEE1394 Adapter Review

Advansys IEEE1394 Adapter Review - PCSTATS
Abstract: This Single chipset IEEE1394 adapter card perfroms very well in data transfers, while supporting three FireWire ports.
Filed under: Peripherals Published:  Author: 
External Mfg. Website: Advansys Jul 25 2000   Max Page  
Home > Reviews > Peripherals > Advansys IEEE1394

Chipset and Conclusion

The chipset
More info

Fujitsu is developing new products for the U.S. and European markets, which are being built to 1394 and OHCI Revision 1.0 (or higher) specifications. Supporting S400 data rates, these products address host and device applications. This includes PC motherboards, add-in cards, printers, scanners, videoconference cameras, set-top boxes, and storage subsystems. Also under development are 800 Mb stand-alone PHY products.

The MB86613 is a 3-port OHCI controller for PC applications, it includes many recently added OHCI and 1394 features, such as Fairness Control and Physical Upper Bound registers, Fly-By Arbitration, Suspend/Resume, Ping Packet, and Second Cycle Limit.

To address peripheral applications, Fujitsu's MB86614 is a low-cost two-port, S400 device for printers, scanners, and cameras.

Description

Fujitsu adopted a 1394 integrated circuit design program on the principle that 1394 is to be the universal interface for a broad variety of applications that will cross over the traditional boundary between computer and consumer markets. For this vision to be realized, the cost of implementing the 1394 must be driven down so it is comparable to the application-specific interfaces it is designed to replace. At the same time, 1394 must maintain interoperability and compliance with standards that are still evolving.

Fujitsu understands these challenges and is developing silicon to meet the disparate needs of this diverse application base. We are targeting specific application segments, identifying the unique requirements, and integrating functions that are presently processed in the software stack. Conversely, we are conscious of the effects of over-integration that can translate into excessive cost, reduced flexibility, and increased power consumption.

The first Fujitsu 1394 IC implementations were developed primarily for the Japanese consumer product marketplace. These products, the MB86611 and MB86612, were designed to the 1394-1995 specification for S100 data rates. The cornerstone of the Fujitsu 1394 LSI design has been the integration of the complete PHY, which includes transceivers, PLL, node ID, and arbitration logic, with upper-level LINK functions into a single 3.3-volt integrated circuit. In addition to LINK and PHY logic, these devices offer additional processing power for performing higher-level functions. Time-stamp processing and frame pulse regeneration for DVC and DVB (MPEG) protocols are two such functions. Without hardware support, these functions would be executed more slowly by software.

Conclusion

Overall the Advansys IEEE1394 PCI adapter card posted the best Sandra results and the best timed results for data transfer of any IEEE1394 adapter card we've seen to date. These benefits are no-doubt due to the integration of IEEE1394 OHCI and port TX/RX functionality into the single chip design. The single chipset design equates to simplified processing, and apparent performance increases.

While this IEEE1394 card has excellent data transmission capability, the rest of the package is not as polished as the reference package. Still, even with that in mind, for the no-frills functionality of a IEEE1394 requirement, this package offers very favorable results at a good price.

< Previous Page © 2017 PCSTATS.com Peripherals News»

 

Contents of Article: Advansys IEEE1394
 Pg 1.  Advansys IEEE1394 Adapter Review
 Pg 2.  Looking Closer at the Components
 Pg 3.  Installation and Benchmarks
 Pg 4.  — Chipset and Conclusion

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