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LIME2-SERVER User Manual

User manual for the Olimex LIME2-SERVER, an ARM-based low-power server kit based on the A20-OLinuXino-LIME2 with built-in UPS and SATA storage support.

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Overview

This document provides a detailed overview and assembly guide for the Olimex LIME2-SERVER, a development kit designed for 24/7 low-power ARM-based server applications. The system is centered around the A20-OLinuXino-LIME2 single-board computer featuring an Allwinner A20 processor. Key features include a built-in UPS with a 1400mAh LiPo battery, support for 2.5-inch SATA HDDs or SSDs (up to 2000GB), and integrated Gigabit Ethernet. The manual details hardware assembly, battery installation, and power consumption specs ranging from 2W to 5W. It also provides software installation instructions for various Linux distributions including Olimage, Debian, and Ubuntu, along with specialized services like NextCloud, LibreELEC/KODI, and Freedombox.

Use Cases

  • Personal cloud storage with NextCloud
  • Low-power 24/7 home server
  • Media center using KODI
  • Home automation gateway
  • Privacy-focused TOR or Freedombox server
  • Network-attached storage (NAS)

Topics

LIME2-SERVER
A20-OLinuXino-LIME2
Allwinner A20
ARM server
SATA storage
UPS
LiPo battery
Olimage
NextCloud
home server
Olimex

Referenced Parts

A20

Allwinner

any Linux image that supports the Allwinner A20 chip

BATTERY-LiPo1400mAh

Olimex

BATTERY-LIPO1400mAh for power backup even when there is no external power supply

BAY-HDD/SSD

Olimex

BAY-HDD/SSD metal enclosure with LIME2 SATA bridge board

MOD-USB3G

Olimex

If you power devices like MOD-USB3G you should use USB1.

LIME2-SATA

Olimex

Then snap the Lime2-SATA PCB and connect the power cable to JST2.0 connector

USB-POWER-METER

Olimex

If you do not know power consumption of USB devices you can measure with USB-POWER-METER

LIME2-SERVER User Manual | Design Resources