Qseven
Qseven, a computer-on-module (COM) form factor, is small sized and highly integrated computer module that can be used in a design application much like an integrated circuit component. It's smaller than other computer-on-module standards such as COM Express, ETX or XTX but is limited to very low power consuming CPUs. The maximum power consumption is limited to 12 Watt.
Interfaces
The Qseven specification defines a rich set of legacy free interfaces. Older interfaces like PCI, ISA, RS232 or EIDE are not supported.
- 4x PCI Express x1 Lanes
- 2x SATA
- 8x USB 2.0
- 1x 1000BaseT Ethernet
- 1x SDIO 8 Bit
- LVDS 2x 24 Bit
- SDVO / HDMI / DisplayPort (shared)
- HDA (High Definition Audio)
- I²C Bus
- LPC (Low Pin Count Bus)
- CAN bus (Controller–area network)
- SPI (Serial Peripheral Interface Bus)
Size
70x70mm²
Connector
Qseven uses one 230 pin MXM2 SMT edge connector to connect all power and signal lanes to the carrier board. This connector is available from multiple vendors at different heights (5.5mm and 7.8mm).
Specification
The Qseven specification is hosted by the independent Qseven consortium. It's freely available at the consortiums website. The current revision 1.20 was released September 10, 2010.
Design Guide
The Qseven design guide provides information for designing a custom system carrier board for Qseven modules. It includes reference schematics for the external circuitry required to implement various peripheral functions. It also explains how to extend the supported buses and how to add additional peripherals and expansion slots to a Qseven based system. It's available from the Qseven consortium webpage.
See also
External links
- Qseven consortium website
- List of Qseven member companies
- EETimes Design Article: Making the transition to the new Qseven Computer-On-Module standard
- Intel hardware blog: What’s Missing from Qseven?
- Embedded Intel Solutions: Is America Ready for Qseven?
- RTC Magazine: Atom-Based Qseven Module Addresses the Portable Device Market