PC/104 and PC/104-Plus embedded industrial computer boards with Atom processor.

PC104 is a popular standardized form-factor for small embedded computing modules typically used in industrial control systems or vehicles. PC104 gets its name from the popular desktop personal computers initially designed by IBM called the PC, and from the number of pins used to connect the cards together (104). PC104-Plus is a verion with ISA and PCI slot. PC104 cards are much smaller than ISA-bus cards found in PCs and stack together which eliminates the need for a motherboard, backplane, and/or card cage. Power requirements and signal drive are reduced to meet the needs of an embedded system. Because PC104 is essentially a PC with a different form factor, most of the program development tools used for PC's can be used for a PC104 system. This reduces the cost of purchasing new tools and also greatly reduces the learning curve for programmers and hardware designers.
This can be realised with Intel Atom processors like n450, d525 and n550.
A development kit can be very helpfull.

Applications
PC104 based embedded systems are used in a variety places including factories, laboratories, processing plants, vehicles, and almost anywhere devices must be controlled by a programmable computer. PC104 systems are small and ususally have low power requirements so they're great for applications that simply don't have the space for a full-blown desktop PC. Additionally, PC104 systems are designed to be more rugged than desktop systems. Building a system using PC104 modules usually costs more than a commercial PC, but usually less than a rack-mounted system. PC/104 boards are used in defense and industrial applications.
 

PC/104 embedded CPU	PC/104 Data Communication	PC/104 Input Output	PC/104 Power Supply

PC/104 embedded modules

Almost anything you can think of is availible as a PC104 module. This includes common functions like CPUs, Serial I/O ports, and Video Controllers; but also more exotic modules like GPS receivers, vehicle power supplies, wireless communications. A embedded stack of PC104 modules can be attached as a component of a larger circuit board, or simply put in a small enclosure for stand-alone operation.