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Parlor is a complete DuoVero product development platform. It provides DVI-D signals on a micro-HDMI connector plus 10/100baseT Ethernet and also features USB Host, USB OTG, USB client, Audio Stereo-out and line-in, and a 40-pin header with GPIO, PWM and A/D lines.

This is our best selling DuoVero expansion board used by engineers to prototype their own product powered by DuoVero.

Parlor Expansion Board

Save time in getting started on your design with the DuoVero Parlor expansion board. Featuring micro-HDMI out, USB On-the-Go, Ethernet, audio connectivity and a USB console port, Parlor offers a wide array of connectivity ideal for project development.

Important: Due to processor hardware restrictions, the Parlor's USB host cannot connect to low-speed devices.

Board-To-Board Connector

2 x 70-pin Hirose DF40 Connectors


10/100 Base-T Ethernet


micro HDMI


105 mm W


40 mm L


3.5V - 5V

Product Family


RTC Battery Holder

Holder for 6mm rechargeable coin cell RTC battery

USB Console Port


USB Host

USB Micro-AB Connector

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Mating Connectors
70-Pin DF40 Connectors (Female – DuoVero Exp.) Connect your Gumstix DuoVero expansion board to a COM with these 70-pin DF-40 connectors. Specs

Please read the instructions in the README file carefully before starting. Instructions and functions are explained in the file.

Files that are needed (such as bootloader and operating system) to create a bootable disk image, are available below.

Our Support page links additional resources.

2015-07-26/duovero/master/MLO U-Boot 2015.07 first-stage bootloader
2015-07-26/duovero/master/u-boot.img U-Boot 2015.07 second-stage bootloader
2015-07-26/duovero/master/README Build information about the assets for the DuoVero platform
2015-07-26/duovero/master/gumstix-xfce-image-duovero.tar.bz2 Yocto 1.8 filesystem running Linux kernel 3.18 for the DuoVero platform with the Xfce desktop environment
DuoVero MLO This is a DuoVero MLO for a Yocto Console Image
DuoVero U-Boot This is a DuoVero u-boot for a Yocto Console Image
DuoVero Kernel This is a DuoVero kernel for a Yocto Console Image
DuoVero Console Rootfs This is a DuoVero rootfs for a Yocto Console Image