SBS Technologies Rolls Out VME64 Bus-to-bus Adapters

3/31/2004 - SBS Technologies® (Nasdaq: SBSE), a leading provider of embedded computing technology, introduced a new family of VME64 bus-to-bus adapters, the SBS 8x0 series. This family of VME64 bus adapters conveniently connects two buses: one VME64 with another VME64, or a VME64 with a PCI, PMC, or CompactPCI bus, effectively creating one virtual bus. This is the first bus adapter family to support VME64 and the first time a PCI mezzanine card (PMC) can be used to access a remote VME bus.

With the trend towards the adoption of more PC’s in embedded computing applications, these adapters are ideal for connecting VME systems to a PC, workstation, or CompactPCI system eliminating the need for a single board computer or allowing a VME user to migrate to one of these other technologies while preserving their existing VMEbus investment.

“The new SBS VME64 bus-to-bus adapters are a cost-effective solution for developers who have, or who are creating, applications requiring large amounts of data that must be transferred efficiently and at high speed. Applications that demand straightforward VME64 and PCI bus integration will definitely benefit as well,” said Bill Molyneux, Vice President, I/O Products for SBS. “SBS Technologies has a history of providing embedded system engineers with unique bus adapters. This new series raises the performance level and ensures bus adapters will be available for years to come, “continued Molyneux.

The adapters allow each system’s bus to operate independently and bus bandwidth is only affected when a memory or I/O reference is made from one system to another, enhancing performance. Another feature is the adapter’s unique memory mapping RAM. This allows any memory location on the VME bus to be mapped in the address space of the other bus. A processor on one bus can use a programmed I/O (PIO) to transparently read and write a remote memory location just as if it were a local bus access with as little as 2 microseconds of latency.

The mapping RAM also dynamically handles typical byte-swapping issues between the PCI and VME buses and supports contiguous or non-contiguous data blocks enabling data scatter/gather of up to 16 Mbytes of data with a single DMA. The Controller Mode DMA allows data transfer in either direction to be initiated by the local or remote processor.

Price and Availability
The 8x0 series VME64 adapters are typically purchased as board pairs but may be purchased as individual cards. The model 800 includes two VME64 adapters and costs $4190. The model 810 includes a VME64 adapter and a 64-bit PCI adapter and costs $3495. The model 820 includes a VME64 adapter and a 64-bit PMC adapter and costs $3495. The model 830 includes a VME64 adapter and a 64-bit CompactPCI adapter and costs $3495. The entire family of VME64 bus adapters is available now.

SBS Technologies, Inc., (Nasdaq: SBSE) founded in 1986, designs and builds a wide range of standard and customized embedded computer products. Our products include processor boards, input/output modules, networking devices, and complete computer systems. Our products are used in many industries, including telecommunications, medical electronics, industrial automation and defense. Headquartered in Albuquerque, New Mexico, SBS maintains eight primary operating locations, has regional sales offices throughout the United States and has international sales offices in five countries. More information on SBS is available at

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