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Product category: VMEbus Boards and Assemblies
News Release from: Thales Computers | Subject: VME boards with 2eSST
Edited by the Electronicstalk Editorial Team on 15 October 2003

VME boards support speedy transfers

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Thales Computers is to provide support for 2eSST transfers on VME systems running under VxWorks.

Thales Computers is to provide support for 2eSST transfers on VME systems running under VxWorks Thales Computers becomes the first company to provide board-level support for 2eSST capability under VxWorks

Steve Blackman, Director of Market Development for WindRiver System's Aerospace and Defense Division, said: "2eSST technology provides better speed and compatibility to customers in the VME market.

With Thales Computers' support for 2eSST on VxWorks, a large number of our military and defence customers can employ this advancing technology and realise the benefits".

2eSST (for two-edge synchronous source transfer) is a bus protocol, introduced in 1997 by Arizona Digital as part of a proposed VME320 standard, that provides VME-based systems with theoretical bandwidth of up to 320Mbyte/s (compared with 40Mbyte/s for VME64).

The vastly expanded bandwidth provided by 2eSST is an important element in Motorola's "VME renaissance", an initiative to extend the capabilities of VME to meet bandwidth requirements of new and future applications.

Thales Computers currently offers three high-performance boards featuring 2eSST: the PowerNode3, a high-end computing node based on single and dual Motorola PowerPC G4 7457 processors running at 1 GHz; the PowerEngine7, a single-board computer based on single or dual IBM PowerPC 750FX processors; and the V4G4c computing node, which features four Motorola PowerPC 7410 (G4) processors with AltiVec vector processing units.

For each board, 2eSST capability is provided by the ALMA2e VME-PCI bridge designed by Thales Computers and manufactured by IBM France.

Support for 2eSST transfers is incorporated into the VxWorks 5.5/Tornado 2.2 board support package (BSP) for each system.

Additionally, minimal application code change is needed, as the existing VME application programming interface (API) is preserved in the boards' BSPs.

Thales Computers' boards are offered in a full range of ruggedisation levels from benign to mission critical.

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