Abaco Systems / SBS / Bit 3 400-108 Round EMI-Shielded Cable (25Ft)
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  • Abaco_Systems_SBS_Bit_3_400_108_View2_20171129104953

Abaco Systems / SBS / Bit 3 400-108 Round EMI-Shielded Cable (25Ft)

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Stock # 88064-2
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Abaco Systems / SBS / Bit 3 487-1 EISA Bus to A32/D32 VMEbus with DMA

  • Byte Swap and Word Swap
  • Direct Mode Window Sizes up to 256 MB
  • DMA Modes Support Dual Port RAM
  • Controller Mode and Slave Mode DMA


The GE Fanuc / SBS / Bit 3 487-1 EISA Bus to A32/D32 VMEbus with DMA is a fast, easy-to-use way to share memory and special purpose boards between an EISA-based computer and a VMEbus system. The Adapter provides high-speed data transfers between systems, and requires minimal software support. The Adapter gives you the best of both worlds by uniting the power of a VMEbus system with the EISA environment so that:

• Both systems can directly address resources at the remote end of the cable as though they were local.
• Blocks of data, I/O commands, and interrupts can be passed between systems.

Plus, the EISA-based system can function as either a co-processor or as the only bus master processor in a VMEbus chassis.

With the Bit 3 Adapter, each bus operates independently. The timing of the two buses is linked only when a memory or I/O reference is made to an address on one system that translates to a reference on the other. The integrity of the interface between Adapter cards is maintained by parity checks on address, control, and data lines. Model 487-1 supports A32/D32 random access cycles from either system and includes a built-in DMA controller. The DMA controller is a high-speed data mover engine that moves data between EISA system memory and the VMEbus at sustained data rates of up to 26M bytes per second (M Bytes/sec). It also allows a VMEbus DMA device (such as a disk controller) to DMA through the Adapter directly into EISA memory at data transfer rates in excess of 12M Bytes/sec. Actual performance rates are dependent on the capabilities of the specific EISA system and the speed of the VMEbus memory.

Product Family: 487-1

Important Notice: Please note that any additional items included with this equipment such as accessories, manuals, cables, calibration data, software, etc. are specifically listed in the above stock item description and/or displayed in the photos of the equipment. Please contact one of our Customer Support Specialists if you have any questions about what is included with this equipment or if you require any additional information.

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Abaco Systems / SBS / Bit 3 487-1 EISA Bus to A32/D32 VMEbus with DMAAbaco Systems / SBS / Bit 3 487-1 EISA Bus to A32/D32 VMEbus with DMAAbaco Systems / SBS / Bit 3 487-1 EISA Bus to A32/D32 VMEbus with DMA

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