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Gigabyte Mainboards Support Intel Prescott Processor Now? [07/16/2003 05:28 PM]
by Anton Shilov

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We supposed a couple of days ago that mainboard makers will from now loudly announce if their mainboard support Intel’s next-generation speedy-demon code-named Prescott since this should boost market acceptance of such products. Apparently, we were right and some companies have already stated to make themselves hype.

According to this Chinese web-site, an unnamed Gigabyte Technology representative has quietly told this web-site that its i865PE and i875P-based mainboards featuring DPS will be fully compatible with Intel Prescott processor. As stated by the quote, Gigabyte’s Dual Power System on all Springdale and Canterwood platforms is able to support up to FMB 2.0 guidelines of VRM 10.0 standard, as a result, systems with such mainboards will be able to function with Prescott CPUs featuring 800MHz Quad Pumped Bus and 1MB of L2 cache.

Frankly speaking, I have no idea if there are FMB 2.0 guidelines ratified by Intel for the VRM 10.0; and if there are no, how can they already be supported by Gigabyte and its mainboards?

Remember that the information is not official and should not be treated as a guiding principle for getting an advanced mainboard from Gigabyte straight away.

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Discussion

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Comments currently: 2
Discussion started: 07/16/03 07:34:03 PM
Latest comment: 07/17/03 09:39:25 PM

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Well, remember that DPS can totally take over from the on-board voltage regulator circuit? It can work in several modes - in parallel, as a backup, or take over from the existing regulator entirely. Therefore it's not impossible for Gigabyte to produce a Prescott-specific version of the DPS module that supports Prescott's lower voltage rail.

[Posted by: WJS | Date: 07/16/03 07:34:03 PM]

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Well, there most definitely ARE FMB 2.0 guidlines for the VRD 10.0, why not look at intel's design guides for the P4, specifically VRD 10.0 for desktop socket 478. Just do a nice little search for FMB and you'll find lots of references to FMB2.

Oh yeah, also look on page 16 of Asus' P4P800 manual, where Asus states that it has FMB 2.0 power design.

It's actually interesting looking at Intel's datasheets, the VRD 10.0 design guide states a prescott FMB2, while the design guide for the 865PE only mentions a prescott FMB 1. Which also raises the question of whether these FMB (flexible motherboard) standards are processor specific, since sometimes the datasheets refer to them as "Pentium 4's processor FMB2 platforms" while at others it's "processor code named Prescott's FMB2 platforms".

Heh, it's that little tidbit of the FMB possibly being processor specific that keeps intel's own datasheets completely refuting this mysterious FMB 1.5 that is supposedly keeping currently 875/865 motherboards from being prescott compatable.

[Posted by: Khato | Date: 07/17/03 09:39:25 PM]

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