Summary of LENOVO OPEN SOURCE RK3399 BASED AM5708 SBCS
Lenovo entered the SBC market with the Leez P710, featuring a Rockchip RK3399 hexa-core processor, 4GB RAM, and 16GB eMMC. Priced at $141, it supports Ubuntu and Android for industrial uses like digital signage and robotics. The board includes HDMI 2.0a, USB-C, MIPI interfaces, and optional 4G modules. Additionally, Lenovo announced the Leez P515, an industrial SBC based on the Sitara AM5708, designed for broader temperature ranges and IoT management.
Parts used in the Leez P710:
- Rockchip RK3399 SoC
- 4GB LPDDR4 RAM
- 16GB eMMC storage
- WiFi/BT module (802.11ac and Bluetooth 5.0)
- GbE port
- HDMI 2.0a port
- USB 3.0 Type-C port
- MIPI-DSI display interface
- MIPI-CSI camera interface
- M.2 B-key 3042 slot
- microSD slot
- Headphone jack
- 40- and 8-pin GPIO connectors
Lenovo has recently ventured into the community-backed SBC market, flagging off with a Rockchip-based board. They follow suit with fellow PC makers Asus. Their flagship Leez P710 boasts a more powerful, hexa-core Cortex-A72 and -A53 Rockchip RK3399 than that of the Asus Tinker Board’s RK3288. The Leez P710 was announced last February at Mobile World Congress and has been launched on AliExpress for $141.
At 85 x 85 x 15mm, the Leez P710 is dubbed the Smartfly Leez SBC P710 on AliExpress. It has the same price range as the early set of Rockchip RK3399 development boards like, the $149 and up Firefly-RK3399. For $141, you get 4GB LPDDR4, 16GB eMMC, WiFi/BT, and a heatsink. The $149 package includes a 5V/3A power adapter, a USB Type-C, and USB/serial cables. The $169 or $173 package gets you a camera, and the $177 package offers a 4G M.2 module. Finally, the $258 package offers a 10.1-inch touchscreen in place of the camera or 4G. Lenovo also posted pinouts, and also schematics and images for Ubuntu and Android 7.1 and 9.0. The SBC is targeted at applications for digital billboards, new retail, face recognition, and service robots.
The specs listed adds a 2GB RAM option, but its not clear if it’s currently available. Available also is a microSD slot in addition to the 16GB eMMC, and also a GbE port, a wireless module with 802.11ac and Bluetooth 5.0. The M.2 B-key 3042 slot offers support for the optional 4G module, also featuring and a micro-SIM slot and an IPX connector. For display features, there are triple simultaneous displays via an HDMI 2.0a port, and a USB 3.0 Type-C port with DisplayPort 1.2 support. They both offer 4K@60 video. However, the third display interface is 4-lane MIPI-DSI. It also has 2- and 4-lane MIPI-CSI, headphone jack, and a mic interface. Available also is a second Type-C for power input and a pair of USB 2.0 host ports. Additional feature set includes 40- and 8-pin GPIO connectors, a debug header, an RTC with battery connector, and power and recovery keys.
Lenovo also announced an upcoming Leez P515 SBC based on the Sitara AM5708 and a Lenovo LeapIOT platform for industrial IoT management during the MWC
The Leez P515, is an open hardware board with a more industrial focus. At 92 x 65mm, the Leez P515 features the Sitara AM5708, one of Texas Instruments’ Cortex-A15 based Sitara AM57x SoCs. The spec list shows GbE, HDMI, USB Type-C PD, and 2x USB 3.0 ports. Available also is a MIPI-CSI2 camera connector, 80-pin GPIO, and a connector for a WiFi/Bluetooth module. The spec list also reveals 1GB DDR3L-1333, 8GB eMMC, and a microSD slot. The Leez P515 is equipped with an optional 10/100 Ethernet port in addition to the GbE. The optional wireless module is equipped with 802.11ac and Bluetooth 5.0, and the HDMI 1.4a port is limited to 1080p@60 resolution. It has a -35 to 75°C operating range, powering at 5V/3A. No OS support is listed, but likely Linux or Ubuntu.
Read more: LENOVO OPEN SOURCE RK3399 BASED AM5708 SBCS
- What is the price of the base Leez P710 package?
The base package is available for $141. - Does the Leez P710 support multiple displays simultaneously?
Yes, it supports triple simultaneous displays via HDMI 2.0a, USB-C DisplayPort 1.2, and MIPI-DSI. - Can I add 4G connectivity to the Leez P710?
Yes, an optional 4G M.2 module can be added using the M.2 B-key 3042 slot. - Which operating systems are supported by the Leez P710?
Ubuntu and Android 7.1 and 9.0 are supported. - What processor does the Leez P710 use?
It uses a hexa-core Cortex-A72 and -A53 Rockchip RK3399. - Is there a microSD slot on the Leez P710?
Yes, in addition to the 16GB eMMC, there is a microSD slot. - What is the resolution limit of the HDMI port on the Leez P515?
The HDMI 1.4a port on the Leez P515 is limited to 1080p@60 resolution. - Does the Leez P515 have an industrial operating temperature range?
Yes, it operates within a range of -35 to 75°C.
