[SGVLUG] Low-power Gb server mobos

Dustin Laurence dustin at laurences.net
Mon May 19 11:35:17 PDT 2008


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Since there was some discussion of mobos, low-power computing, and, I am
thinking about how I might build a different sort of computer: low-power
server, but without much in the way of performance compromises. Main
requirements: Gb ethernet and large fast disks. My initial thought was
Via, and a check says you can buy C7 boards with dual Gb ports and SATA
II pretty cheap, but here's my worry: Gb ethernet does not equal Gb
speeds, and the expansion slot on these boards is always PCI, which Gb
ethernet easily saturates. My guess is that indicates the onboard
ethernet controllers are hooked up to the PCI bus and is limited to PCI
speeds.

So my question: what do you need to get a small efficient board that can
~ really use it's Gb ports? Is that possible with a C7 board or something
like it, or do you pretty much have to get a PCI-Express board with a
desktop CPU and all the power consumption that implies to do it?

Dustin
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