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Conduction-cooled VME board packs dual PMC sites and VITA 31.1

Posted: 09 Feb 2005 ?? ?Print Version ?Bookmark and Share

Keywords:concurrent technologies? vme bus sbc? single board computer? pmc? intel?

Board-level systems maker Concurrent Technologies is now debuting a ruggedized conduction-cooled VME bus SBC (single board computer) supporting dual PMC sites. Running an Intel pentium m microprocessor, the company's VP 315/022-RC board runs the Pentium M (with its Mbyte of L2 cache) at 1.2GHz.

The Pentium also imparts a 400MHz FSB (front side bus), branch prediction and speed-step capability. Using Intel's 855GME support chipset, the SBC supports a Gbyte of soldered-in 266MHz DDR ECC DRAM.

Suitable for hostile environment applications, the SBC is available in an air-cooled version, as well as a range of commercial temperature and extended temperature range versions. These SBCs are also available supported by a choice of operating system support packages.

Vital VITA 31.1
Now, what's all this about VITA 31.1? Well, VITA 31.1 Gigabit Ethernet on a VME64x backplane enables a tested method of implementing a LAN-based multi-processor architecture. It does that by leveraging readily available Ethernet hardware, TCP/IP software, clustering, and other network management tools.

Indeed, VITA 31.1 is the ANSI-approved switched fabric standard for standard off-the-shelf PICMG 2.16 switched-fabric cards within a VME chassis.

Operating independently over an optional P0 connector on this SBC, VITA 31.1 provides a 10/100 or Gigabit link between any VITA 31.1 compatible boards within a chassis. Using standard networking techniques, it offers a simple efficient method of remote booting boards within a chassis, and simplified intercommunication between boardsparticularly where different OSes and processor architectures are used within the same chassis.

It can also be used as a method of offloading tasks from a standard VME backplane, thereby improving overall application efficiency. This is particularly suitable for applications such as data acquisition, radar data processing, or applications requiring accurate time synchronization across multiple boards within a system.

Two 66MHz PMC sites
With two 66MHz PMC sites, connected via an Intel 6300ESB I/O Controller Hub chip, the single-slot SBC includes extensive rear I/O, in addition to VITA 31.1 Gigabit Ethernet via the VME64x backplane.

The VP 315/022-RC conduction-cooled board can operate at altitudes to 50,000-ft. and work over a -45C to 85C (no airflow) range. Its ruggedized design also enables it to operate at shock levels of 40g (measured using the 11ms, half-sine method). It can withstand sine vibration of 5g (5Hz to 2kHz), and random vibration, too (0.1g?/Hz (10Hz to 1kHz) with -6dB/octave from 1kHz to 2kHz.

I/O features
The VP 315/022-RC also provides an array of rear I/O features supporting graphics, a keyboard, and a mouse. You also get two RS-232, RS-422, and RS-485 ports, two USB 2.0 (Universal Serial Bus) ports, and dual Gigabit Ethernet, VITA 31.1, Serial ATA150, and EIDE interfaces. Other functions include a watchdog timer, a long duration timer, 64MB of application flash and LAN boot firmware.

Just about every OS
The VP 315/022-RC also supports many operating systems, including VxWorks, Linux, Windows 2000, Windows NT, Windows XP, Windows XP Embedded, RTX, QNX, Solaris and even MS-DOS.

- Alex Mendelsohn
eeProductCenter




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