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Pentium M graphics board leverages PCI Express, nVidia silicon

Posted: 21 Nov 2005 ?? ?Print Version ?Bookmark and Share

Keywords:radstone embedded computing? vme board? northbridge? nvidia 7800? graphics processor?

The performance of Radstone Embedded Computing's VME board is largely due to its 16-lane PCI Express interface between the Northbridge and its nVidia 7800 graphics processor, its Intel Dothan Pentium M 760 main processor, as well as lot of additional powerful silicon.

The Intel 915GM chipset is a so-called Graphics Media Accelerator. It runs at about twice the graphics performance of Intels previous generation 855GME device, and supports up to 2GB of system memory.

Pentium power

The Pentium 760 uses Intel's so-called Hyper-pipelined technology and execution engine. It packs big execution trace and transfer caches, as well as a potent floating point/multi-media engine.

The nVidia graphics processor accesses its own 256MB SDRAM array, and runs a pair of 400MHz RAMDACs. The graphics port dishes up two channels of 1,600 x 1,200-pixel 60Hz video, driving 32-bit SXGA outputs.

The Screaming Eagle SE1 board's front-side bus runs at 533MHz. Hanging off that is 1,024MB of DDR2 SDRAM organized in two banks of 512MB each. The Screaming Eagle SE1 also provides a lot of connectivity hooks. It will communicate on a network thanks to its 10/100/1,000 Gigabit Ethernet port. It also packs two RS-232 serial COM ports, as well as PS2-compatible keyboard and mouse ports. Rounding it out are a pair of USB ports.

The new VME board is priced at about $9,000, and will operate at a peak transfer rate of 320MBps in Microsoft Windows XP Embedded applications.

- Alex Mendelsohn


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