For detailed steps refer to��https://github.com/friendlyarm/cpu-temperature-test-script
| CPU | Model: Rockchip RK3399 Number of Cores: 64-bit Dual Core Cortex-A72 + Quad Core Cortex-A53 Frequency: Cortex-A72(up to 2.0GHz), Cortex-A53(up to 1.5GHz) |
| GPU | Mali-T864 GPU , supports OpenGL?ES1.1/2.0/3.0/3.1, OpenVG1.1, OpenCL?, DX11, and AFBC |
| VPU | 4K VP9 and 4K 10bits H265/H264 60fps decoding, Dual VOP, etc |
| PMU | RK808-D PMIC, cooperated with independent DC/DC, enabling DVFS, software power-down, RTC wake-up, system sleep mode |
| Memory | RAM: 1GB DDR3/4GB LPDDR4 |
| Storage | Flash: no Onboard eMMC MicroSD Slot: MicroSD x1 for external storage up to 128GB |
| Connectivity | Ethernet: Native Gigabit Ethernet x1 PCIe Gigabit Ethernet x1 |
| USB | USB 3.0 Host x2: USB Type A USB 2.0 Host x1: 2.54mm 4pin-header Type-C x1: Power Input Only |
| Pin-header | GPIO: 2.54mm pitch 2x5pin-header, include I2C x1, SPI x1 Serial Debug Port x1: 2.54mm pitch 3pin-header, 3V level, 1500000bps |
| Button | User Button x1 |
| LED | PWR LED(Red) x1 STAT LED(Green) x1 LAN LED(Green) x1 WAN LED(Green) x1 |
| Others | RTC: 2 Pin 1.27/1.25mm RTC battery input connector Fan: 5V Fan connector Working Temperature: -20�� to 70�� |
| Power | DC 5V/3A, via USB-C connector or Pin header |
| OS Support | FriendlyCore 20.04 (64-bit) (Linux-4.19.111 + U-boot-2017.09) FriendlyWrt 19.07.4 (64-bit) (Linux-5.4.75 + U-boot-2017.09) |
| PCB | 8 Layer |
| Dimension | 66x66 mm |
| Weight | 40.90g(Without Case) / 310g(With Case) |
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