Introduction

2024-09-13
Update history
Date Version Author Update content
2024-8-14 v1.1 BuGu
  • Update docs
2024-6-21 v0.1 BuGu
  • Release docs

Introduction

The Lichee NanoKVM is an IP-KVM product based on the LicheeRV Nano, inheriting its compact size and powerful features.

NanoKVM includes an HDMI input interface that can be recognized as a monitor by a computer, capturing the computer's screen. It has a USB 2.0 interface to connect to the computer host, recognized as HID devices like keyboard, mouse, and touchpad, and uses extra storage space on the Micro SD card, mounted as a USB flash drive. It comes with a 100 Mbps Ethernet port for video and control signal transmission. Additionally, the Full version features an ATX power control interface (USB-C form) for remote control and monitoring of the host's power status. Under the Full version's shell, there is an OLED display for showing the device's IP and KVM-related status.

To meet different user needs, NanoKVM is available in two versions:

  • NanoKVM Lite: Basic version suitable for DIY enthusiasts and enterprises with bulk requirements.
  • NanoKVM Full: Complete version with a sleek shell and full accessories, including a pre-installed system image card, recommended for individual users.

Use Cases

  • Server Management: For real-time monitoring and control of servers.
  • Remote Desktop and Power Control: Provides remote control functionality without requiring the host to be networked or run specific software.
  • Remote Installation: Simulates a USB flash drive to mount installation images and set up the system, also allows BIOS access.
  • Remote Serial Port (Not exposed in Full beta version): Provides two serial ports for IPMI use or connecting other development boards for web-based serial terminal interaction. More features are coming soon (e.g., live streaming), stay tuned.

Specifications

Product NanoKVM (Lite) NanoKVM (Full) PiKVM V4
Computing Unit LicheeRV Nano (RISCV) LicheeRV Nano (RISCV) CM4 (ARM)
Resolution 1080P @ 60fps 1080P @ 60fps 1080P @ 60fps
Video Encoding MJPEG, H264 (WIP) MJPEG, H264 (WIP) MJPEG, H264
Video Latency 90-230ms 90-230ms 100-230ms
UEFI/BIOS ✓ ✓ ✓
Emulated USB Keyboard/Mouse ✓ ✓ ✓
Emulated USB Storage ✓ ✓ ✓
IPMI ✓ ✓ ✓
Wake-on-LAN ✓ ✓ ✓
Tailscale ✓ ✓ ✓
WebSSH ✓ ✓ ✓
Custom Scripts ✓ ✓ -
ETH 100M/10M 100M/10M 1000M/100M/10M
ATX Power Control None, user-configurable USB interface IO control board RJ45 interface IO control board
OLED Display None, user-expandable 128x64 0.96" white 128x32 0.91" white
Serial Terminal 2 channels 2 channels -
Micro SD Card None, user-provided Included, ready to use Included
Expansion Accessories None WiFi or PoE WiFi/LTE
Power Consumption 0.2A@5V 0.2A@5V Peak 2.6A@5V
Power Input Powered by PC USB Powered by PC USB
Supports auxiliary power		 Requires DC 5V 3A
Cooling Silent, fanless Silent, fanless Requires active fan cooling
Dimensions 23x37x15mm
~1/30 PiKVM V4 size		 40x36x36mm
~1/7 PiKVM V4 size		 120x68x44mm

NanoKVM Hardware and Software Resources

NanoKVM is built on the Sipeed LicheeRV Nano core board. You can find the hardware specifications, schematics, and dimensions here: Click here

NanoKVM Lite consists of the LicheeRV Nano E and HDMItoCSI board, while NanoKVM Full adds the NanoKVM-A/B board and shell to the Lite version. The HDMItoCSI board converts HDMI signals; NanoKVM-A includes OLED, ATX control output (TypeC interface), auxiliary power (TypeC interface), and ATX power/reset buttons; NanoKVM-B connects the A board to the computer's ATX pins for remote power control.

The NanoKVM image is built on the LicheeRV Nano SDK and MaixCDK, compatible with LicheeRV Nano resources. Other SG2002 products cannot use KVM software. Contact us for technical support if you want to develop HDMI input applications on NanoKVM.

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