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DavidS
Posts: 4334
Joined: Thu Dec 15, 2011 6:39 am
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Re: Powerful 1 room setup.

Sat Dec 24, 2011 6:07 pm

Use 8 Raspberry Pi boards linked by GPIO to build a simple server, and then 1 RPi each for terminals.  For up to about 30 terminals you would only need 1 ATX power supply for everything (except the displays).  This would be a quite effective system for many applications, including a class room environment.  You could even take it a step further and distribute processing across the terminals as well, giving the multi threaded combined power of up to 38 RPi's per work cluster.
RPi = The best ARM based RISC OS computer around
More than 95% of posts made from RISC OS on RPi 1B/1B+ computers. Most of the rest from RISC OS on RPi 2B/3B/3B+ computers

Warringer
Posts: 56
Joined: Tue Aug 23, 2011 5:04 pm

Re: Powerful 1 room setup.

Sun Dec 25, 2011 2:30 pm

You'd be better off to use Ethernet to link the Pis, through a PCB would work nicely to get power to the boards.

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DavidS
Posts: 4334
Joined: Thu Dec 15, 2011 6:39 am
Location: USA
Contact: Website

Re: Powerful 1 room setup.

Mon Dec 26, 2011 6:09 pm

The terminal Pis would be linked by Ethernet, though for the main box GPIO (using DMA) can comunicate a good bit faster.  Also this would reduce the cost of the server box as only one board would have to have Ethernet, thus the rest could be $25 Rev A devices.  Should note I do not think that a PCB should be used, rather a bit of cabling.
RPi = The best ARM based RISC OS computer around
More than 95% of posts made from RISC OS on RPi 1B/1B+ computers. Most of the rest from RISC OS on RPi 2B/3B/3B+ computers

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