![](https://ohwr.org/project/diot-sb-igl/wikis/uploads/5fbeea3ae703b254d4eecca657febfac/DIOT_rad-tol_SB_v2.png)
DIOT Igloo2-based radiation-tolerant System Board
The DI/OT System Board is one of the main components of the Distributed I/O Tier project ecosystem. It is mechanically and electrically compliant with the Compact PCI Serial standard (CPCI-S.0).
The DI/OT Radiation-tolerant System Board controls the DI/OT crate in radiation-exposed (or cost-sensitive applications, as an simpler alternative to the default, powerful Zynq Ultrascale-based System Board), offering low-speed communication with the Peripheral Boards over the backplane and with the higher layers of the control system using an FMC nanoFIP, or some other radiation-tolerant fieldbus, mounted on its FMC connector.
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Compatible Projects
![](https://ohwr.org/project/diot-crate-hw/wikis/uploads/7a19382ca105a0a342fb54475e8dc69e/Crate_v2.png)
DIOT CompactPCI Serial crate hardware
The 3U crate is a main component of the [Distributed I/O Tier hardware kit](https://ohwr.org/project/diot/wikis/home)