Computer-on-Module (COM) Specifications

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General Specifications


	Form Factor
	Your choices are...
	COM Express Basic		COM Express Basic is a module with size 95 mm x 125 mm.
	COM Express Compact		COM Express Basic is a module with size 95 mm x 95 mm.
	COM Express Mini		COM Express Basic is a module with size 95 mm x 55 mm.
	COM Express Extended		COM Express Basic is a module with size 110 mm x 155 mm.
	CoreExpress		CoreExpress are COMs with a size 65 mm x 58 mm.
	ESMexpress		This is a compact Computer-on-Module standard and form factor (125 mm x 95 mm).
	ETX / XTX		Embedded technology extended (ETX) is a form factor for developing embedded systems that eliminates cables and connectors. The ETX-PC has a small footprint, 114mm x 95mm, and a maximum thickness of 12mm. XTX adds PCI express and SATA capabilities to the ETX standard.
	Qseven		Small size COM module (70 mm x 70 mm). It is the smaller of the COM form factor, but it is highly integrated and requires CPUs that are very low power consumers.
	Other		Other, unlisted form factor.
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	Processor / CPU Type
	Your choices are...
	Intel® Atom^TM		Intel Atom is the smallest processor built with the smallest transistors (2010). It is designed specifically for mobile internet devices and simple PCs (Netbooks, etc.)
	Intel Core™ Duo		The Intel Core™ Duo microprocessor is a 32-bit processor generally used in mobile devices.
	Intel® Core 2 Duo / Celeron®		Intel’s new Dual Core Celeron is based on the new Core 2 micro-architecture and not the old P4 NetBurst. Intel is offering the same specs as before but users can now get a Dual Core system based on Core 2 Duo architecture, which saves on power.
	Intel® Core™2 Quad		The Intel® Core™2 Quad microprocessor is a high end processor used generally in multi-tasking multithreading systems.
	Intel® Core™2 Extreme		The Intel® Core™2 Extreme microprocessor is a high end processor used generally in mobile applications.
	Quad-Core Intel® Xeon®		The Quad-Core Intel® Xeon® microprocessor is a high end processor used generally in mobile applications.
	AMD Geode^TM		AMD Geode Processor
	AMD Turion™		The AMD Turion™ is 64-bit processor normally used in mobile applications.
	AMD Sempron™		The AMD Sempron™ is a high end microprocessor used in home and business applications.
	Other		Other, unlisted processors.
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	Ports / Buses		A physical connector that allows a peripheral device such as a printer, a keyboard, or modem, to be attached to the computer.
	Your choices are...
	DDI		Device Driver Interface (DDI) is video driver with a very high speed used to connect video devices to computers.
	IEEE 1394 (FireWire®)		IEEE 1394 or FireWire^® is an interface standard adopted by the Institute of Electrical and Electronics Engineers (IEEE) for very fast digital data transfers such as streaming video. IEEE 1394 connectors are used to transmit and receive data among FireWire devices, and are designed to replace external high-speed peripheral connections to personal computers, including hard disks, CD-ROMs, DVDs, graphics cards, high-speed scanners, direct video, monitors, etc. Tiny, robust FireWire connectors will also become important parts of home entertainment, communication, and appliance networks. FireWire is a registered trademark of Apple Computer, Inc.
	I²C		Inter-Integrated Circuit (I²C) bus is a two-wire, low to medium speed communication bus developed by Philips Semiconductors in the early 1980's.
	Parallel Ports		Parallel ports transmit data by using eight wires simultaneously to send the eight bits that comprise one byte of data. Standard Parallel Port (SPP) is the most basic port type. Enhanced Parallel Port (EPP) and Enhanced Capability Port (ECP) are standard signaling methods for bi-directional parallel communication between a computer and peripheral devices that offers the potential for much higher rates of data transfer than the original parallel signaling methods. EPP is for non-printer peripherals. ECP is for printers and scanners. EPP / ECP are part of IEEE Standard 1284, which also specifies support for current signaling methods (including Centronics, the de facto standard for printer communication) so that both old and new peripherals can be accommodated.
	PCI		Peripheral component interconnect (PCI) is a local bus system designed for high-end computer systems. PCI buses transfer 32 or 64 bits of data at a clock speed of 33 MHz. They also support 3 to 5 critical peripherals, which are either integrated directly onto the motherboard or added via expansion cards. PCI buses fully support cards that were developed for standard I/O buses.
	PCI-X		PCI-X (Peripheral Component Interconnect Extended) is an enhanced PCI bus that is backward compatible with existing PCI cards and features speeds up to 1 Gbps. PCI-X was designed by IBM, Hewlett Packard (HP), and Compaq to increase the performance of high bandwidth devices such as Gigabit Ethernet, Fibre Channel, and clustered processors. Versions of PCI-X include PCI-X 66, PCI-X 133, PCI-X 266 and PCI-X 533.
	PCI Express		PCI express (PCIe) fits common system architectures, provides greater speed and independence, and increases bandwidth and scalability. PCIe offers 4 Gbps of peak bandwidth per direction and 8 Gbps of concurrent bandwidth. PCIe is referred to as a third-generation input / output (3GIO).
	ePCI-X		Embedded PCI extended (ePCI-X).
	SATA		Serial Advanced Technology Attachment (SATA) is a computer interface used for connecting mass storage devices such as hard disks, DVDs, etc.
	Serial Ports		Serial Ports (Asynchronous Serial Interface): A system-to-system communication interface. Data is sent over a single wire (serial). Transmission is asynchronous because no synchronization or clocking signal is present. Standards: RS232 - An interface between data terminal equipment and data communications equipment employing serial binary data interchange. RS422 - A balanced serial interface for the transmission of digital data. It was designed for greater distances and higher Baud rates than RS232. RS485 - A balanced serial interface for the transmission of digital data. The advantage of a balanced signal is the greater immunity to noise. The difference between RS422 and RS485 is that RS485 can be transformed into a multi-point application.
	SPI		Serial Peripheral Interface bus (SPI) is a synchronous serial data link that operates in full duplex mode.
	USB		Universal serial bus (USB) is a 4-wire, 12-Mbps serial bus for low-to-medium speed peripheral device connections to personal computers (PC), including keyboards, mice, modems, printers, joysticks, audio functions, monitor controls, etc. The USB design is standardized by the USB Implementers Forum (USBIF), an organization that includes leading companies from the computer and electronics industries. The current USB specification is USB 2.0, which supports data transfer rates of up to 480 Mbps.
	Other		Other, unlisted ports.
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Memory


	Memory Type
	Your choices are...
	DDR SDRAM		Double data rate SDRAM (DDR SDRAM) is the next generation of the standard SDRAM. DDR allows data to be sent on both the rising and falling edges of clock cycles in a data burst, delivering twice the bandwidth of standard SDRAMs. DDR essentially doubles the memory speed from SDRAMs without increasing the clock frequency.
	DDR2		Double data rate type two synchronous dynamic random-access memory.
	DDR3		Double data rate type three synchronous dynamic random-access memory.
	SDRAM		Synchronous dynamic random access memory (SDRAM) uses a clock to synchronize signal input and output on a memory chip. The clock is coordinated with the CPU clock so the timing of the memory chips and the timing of the CPU are "in synch." The synchronization eliminates time delays and allows for fast consecutive read and write capability, thereby increasing the overall performance of the computer. SDRAM has two separate memory banks that operate simultaneously, while one bank prepares for access, the other is being accessed. SDRAM allows the CPU to access memory approximately 25 percent faster than EDO memory because the system clock controls it. SDRAM can only be used in computers designed for it and cannot be mixed with any other type of memory. SDRAM can operate at 100MHz, 133Mhz and features a burst mode that allows it to address blocks of information instead of small data bits.
	RDRAM		Rambus DRAM (RDRAM) is an evolutionary type of DRAM that uses a 16 to 18-bit data path and is designed to operate with Front side bus (FSB) speed of 800 MHz producing a burst transfer rate of 1.6 gigahertz. Rambus DRAM technology is a system-wide, chip-to-chip interface design that allows data to pass through a simplified bus. Rambus uses a unique Rambus signaling logic (RSL) technology.
	VRAM		Video RAM (VRAM) has two separate data ports. One is dedicated to updating the image on the screen while the other one is used for changing the image data stored in memory. This "dual-ported" design gives higher performance than DRAM which cannot read and write simultaneously, but is more expensive.
	Other		Other unlisted, specialized memory types.
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	Socket		The form factor of any memory module describes its size and pin configuration. Most computer systems have memory sockets that can accept only one form factor.
	Your choices are...
	DIMM		Dual in-line memory module (DIMM) provides a 64-bit data path. DIMMs can perform the functions of two single in-line memory modules (SIMMs). Typically, Pentium® processors use a single DIMM instead of two SIMMs. Pentium is a registered trademark of Intel Corporation.
	SO DIMM		Small outline, dual In-line memory modules (SO DIMM) are enhanced versions of standard DIMM. SO DIMMs are about half the length of a typical 72-pin SIMM. These compact DIMMs are used in mobile computing devices. SO DIMMs come in a variety of pin sizes and can be installed either singly to support 32-bit systems, or in pairs to support 64-bit systems.
	uDIMM		Micro single inline memory module (uDIMM).
	AIMM		Accelerated (or advanced) graphics ports (AGP) in-line memory modules (AIMM) allow the graphics controller to directly access texture map data from the main memory rather than having to move it to the graphic controllers' local memory first. This helps increase system speed for processing graphics and allows for a use of a larger portion of memory by "borrowing" storage for texture maps from main memory.
	RIMM		Rambus inline memory modules (RIMM) are designed to install Rambus DRAM (RDRAM).
	SO RIMM		Small outline Rambus inline memory modules (SORIMM) have a smaller profile that standard RIMMs and are used in laptop computers and systems that have strict size requirements.
	SIMM		Single in-line memory module (SIMM) provides a 32-bit data path. Devices that require wider data paths, such as Pentium® processors, use a pair of SIMMs. Slower processors use a single SIMM. Pentium is a registered trademark of Intel Corporation.
	Card		The memory is in a card configuration.
	Other		Other, unlisted form factor.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Capacity:		The amount of data that can be transmitted over a specific period of time.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

Features / Environment


	Certifications
	Your choices are...
	RoHS		Restriction of Hazardous Substances (RoHS) is a European Union (EU) directive that requires all manufacturers of electronic and electrical equipment sold in Europe to demonstrate that their products contain only minimal levels of the following hazardous substances: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyl and polybrominated diphenyl ether. RoHS will become effective on July 1, 2006.
	FCC		Under Rules and Regulations, Title 47, Part 15 Subpart B, the Federal Communications Commission (FCC) regulates all commercial electronic devices (unintentional radio-frequency radiators) destined for sale in the United States that have clocks / oscillators that operate at a frequency greater than 9 kHz and that use digital techniques. This includes most products that employ microprocessors, as well as RF devices.
	UL		Underwriters Laboratories (UL) is a non-profit organization that tests components, systems, and materials according to its published standards for safety. Products that receive UL approval bear a UL Mark.
	Other		Other, unlisted certifications.
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	Features
	Your choices are...
	Watchdog Timer		The Watchdog Timer is a circuit that automatically re-boots a PC when its hardware or software malfunctions.
	Real Clock Timer		Real time clock support.
	Printer Support		Printer adapter. It can be PIO (Programmed I/O) or SIO (Serial I/O).
	Keyboard Support		Keyboard port present.
	Mobile network Support		Support for Bluetooth, Wi-Fi, WIMAX, etc.
	Mouse Support		Mouse port present.
	Speaker Support		Speaker port present.
	RJ-45 Connectors		Cable connector similar to a telephone jack that is normally used for 10Base-T systems.
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Environment


	Operating Temperature		This is the full-required range of ambient operating temperature.
	Search Logic:		User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.

	Operating Humidity		This is the full-required range of ambient operating humidity.
	Search Logic:		User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.

Computer-on-Module (COM) Specifications

Form Factor:

Processor / CPU Type:

Ports / Buses:

Memory Type:

Socket:

Capacity:

Certifications:

Features:

Help with Computer-on-Module (COM) specifications: