Qseven® Reference Carrier Board
  • Details
  • Specification
  • Order information
  • Qseven compliant, supports all mandatory I/Os
  • Super I/O controler W83726DHG
  • 7-segment POST code display
  • CAN transmitter with isolation

Qseven is a Computer-on-Module (COM) standard for small sized and highly integrated systems adopted by SGET.

The Qseven concept is an off-the-shelf, multi-vendor, Computer-on-Module that integrates all the core components of a common PC and is mounted onto an application specific carrier board. Qseven modules have a standardized form factor of 70 mm x 70 mm or 40 mm x 70 mm and have specified pinouts based on the high-speed MXM connector, regardless of the vendor. The Qseven module provides the functional requirements for an embedded application, which include, but are not limited to, graphics, audio, mass storage, network and multiple USB ports. A single ruggedized 230 pin MXM connector provides the carrier board interface to carry all the I/O signals to and from the Qseven module. This MXM connector is a well-known and proven high-speed signal interface connector that is commonly used for -PCI Express graphics cards in notebooks.

The Qseven footprint is smaller than that of COM Express, ETX or XTX, responding to system designers' needs for minimal space. Qseven's power consumption envelope is below a 12 watts target, whereas SMARC's target is below 6 watts and COM Express can be well above 20 watts. Therefore, Qseven designs provide mid-range power values between those of SMARC and COM Express.

The Qseven pincount is 230 compared to 314 and 440 for SMARC and COM Express (Type 2), respectively. Thus, it is optimized for designs with lower board-to-board pin requirements.

Technical specifications


Displays Combined HDMI/DP via graphics card
Dual channel LVDS 18/24-bit with backlight connector
SDIO 4/8-bit SDIO for MMC/SD
SPI 1x SPI interface
1x SMBus
1x misc
HD Audio 1x HD audio codec ALC886
1x line in
1x line out
1x microphone
1x S/PDIF in/out
I2C 1x I2C
Asynchronous Serial Port 1x asynchronous serial port (UART)
CAN Bus 1x CAN bus interface
USB 1x USB 3.0
5x USB 2.0 host
1x USB 2.0 client
PCI Express 3x PCIe x1
1x PCIe Mini Card
Gigabit Ethernet 1x GbE
S/PDIF S/PDIF in/out
Boot Source Select SPI, eMMC, SD Card, SATA
Miscellaneous LPC/TPM connector
2x COM
1x LPT
2x PS/2 for keyboard and mouse
7-segment display for BIOS post code
Status LEDs and control buttons


Power Modes ATX/AT mode
Standard Voltage Input 5.0V ±5%, ±50mV ripple, 12V, 3.3V from ATX connector
Standby Voltage Input 5.0V ±5%, ±50mV ripple from ATX connector
RTC Voltage Input 2.7V to 3.3V, depending on module


Form Factor Mini-ITX
Dimension 170 mm x 170 mm
Board Connector MXM 230-pin edge connector
Model Description
Q7-BASE-R01 Qseven Reference Carrier Board for Qseven compliant modules

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