RASPÈIN cluster: technicalities

Item	Description
Nodes	32 64 Raspberry Pi Model B rev 2. CPU: 700 MHz ARM1176JZF-S core. Memory: 512 MB. Onboard storage: SD 16 GB running Raspbian GNU/Linux
Networking	Fast Ethernet 100 Mbit/s
Chassis	4550 LEGO bricks (i.e. 7 Basic Bricks Deluxe LEGO 6177 kits)
Power supply	~~2 Cambrionix Powerpad 16 multi-port USB chargers~~ 13 Anker 40W 5-Port Family-Sized Desktop USB Chargers
Front end	HP ProLiant G7 N54L MicroServer running Ubuntu GNU/Linux