




Key Features

Injection Drives

Ignition Drives

Auxiliary Outputs

Digital Inputs

Temperature Inputs

Flex Fuel

Onboard Logging Memory
SKU:111-4000
G4X AtomX Wire-In ECU (up to 4 Cylinders)
A leader in its class, the AtomX is designed for 4 cylinder engines that just need a retune and don't need all the extra sensors and features that come with our higher-level ECUs. It includes all standard G4X features, including 512MB of onboard logging.
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Key Features

Injection Drives

Ignition Drives

Auxiliary Outputs

Digital Inputs

Temperature Inputs

Flex Fuel

Onboard Logging Memory
Overview
As Link's entry-level ECU, the AtomX delivers proven performance in a compact and capable package with exceptional value.
Sharing the same championship-winning G4X architecture as the rest of the G4X range, the AtomX delivers the same proven tuning experience and reliability trusted by enthusiasts and professional tuners worldwide.
The AtomX shares the same processor, firmware, software and standard G4X feature set found throughout the G4X range. Features include CAN Bus, Flex Fuel, Flexible Engine Protection Limiters, CAN Keypad Control, Open Loop Boost Control, a built-in Trigger Oscilloscope, OBDII output stream, continuous barometric correction, compatibility with aftermarket displays and 512MB of onboard data logging.
Designed for builds that do not require expanded I/O or advanced motorsport features, the AtomX provides all the essentials needed for reliable, high-performance engine management. It supports a wide range of tuning strategies, including VE and traditional fuel modelling, individual cylinder corrections, dual fuel and ignition maps, boost control and advanced engine protection strategies.
The AtomX is the ideal solution for builds requiring proven engine management performance and core G4X functionality in a compact and cost-effective package.
Models Supported |
The AtomX can control up to 2 rotors or 4 cylinders with sequential injection and direct spark. |
Features
The AtomX is an entry-level ECU offering all the core G4X features including:
ECU Features | 8 Custom Math Blocks with 30 characters Flex Fuel Trigger Oscilloscope Flexible Engine Protection Limiters CAN Keypad Control Open Loop Boost Control with up to three switchable tables On/off type cam control (VTEC style) Compatible with all leading after-market dashes via CAN or serial stream 512 Megabytes of Internal Data Logging |
Motorsport Features | Limited Gear Shift Control |
Specifications
The AtomX is the ideal solution for builds that do not require expanded I/O.
Outputs | 4 Injection Drives 4 Ignition Drives 4 Auxiliary Outputs +5V Sensor power supply Unused Inj/Ign can be used as a Auxiliary Outputs |
Inputs | 2 Digital Inputs 2 Temperature Inputs 3 Analogue Inputs 2 Trigger Inputs 1 Knock Input Unused Temperature and Analogue Inputs can be used as Digital Inputs |
Communications | 1 CAN Bus Channel Mini-B USB Tuning Connection |
Data Logging | 512MB Onboard Logging Memory 100kHz Maximum Total Logging Rate 250 Logging Channels |
Product Dimensions | 90mm(L) x 130mm(W) x 45mm(H) 3.54in(L) x 5.12in(W) x 1.77in(H) |
Product Weight | 180 grams (6.35 ounces) |
Material | Glass-filled nylon enclosure |
Electrical | Operating Voltage Range: 6.5-24V Maximum Input Voltage: 36V Maximum Continuous Current Draw: 3A Operating Current: 200mA |
Misc. | Manufacturing Standard ISO 13485 |
What's in the Box | AtomX G4X ECU Quick Start Guide Mounting Bracket USB Tuning Cable LinkECU Stickers |
Connector | Superseal 4 Row 34 Position Part number 4-1437290-0 |
Downloads

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Injection Drives
4
Injection Drives
4
Injection Drives
8
Injection Drives can run DI via driver box
Injection Drives can run DI via driver box
Injection Drives can run DI via driver box
Ignition Drives
4
Ignition Drives
4
Ignition Drives
8
Auxiliary Outputs
4
Auxiliary Outputs
6
Auxiliary Outputs
8
+5V Sensor Power supply
+5V Sensor Power supply
+5V Sensor Power supply
+8V Sensor Power Supply
+8V Sensor Power Supply
+8V Sensor Power Supply
Unused Inj/Ign used as a Auxiliary Outputs
Unused Inj/Ign used as a Auxiliary Outputs
Unused Inj/Ign used as Auxiliary Outputs
Digital Inputs
2
Digital Inputs
4
Digital Inputs
8
Temperature Inputs
2
Temperature Inputs
2
Temperature Inputs
3
Analogue Inputs
3
Analogue Inputs
4
Analogue Inputs
8
Trigger Inputs
2
Trigger Inputs
2
Trigger Inputs
2
Knock Inputs
1
Knock Inputs
1
Knock Inputs
2
Unused Temperature and Analogue Inputs can be used as Digital Inputs
Unused Temperature and Analogue Inputs can be used as Digital Inputs
Unused Temperature and Analogue Inputs can be used as Digital Inputs
ADIO Dual Purpose
ADIO Dual Purpose
ADIO Dual Purpose
CAN Bus Channels
1
CAN Bus Channels
1
CAN Bus Channels
1
Wi-Fi
Wi-Fi
Wi-Fi
USB Tuning Connection
Mini-B
USB Tuning Connection
Mini-B
USB Tuning Connection
LTW 6Pin
Ethernet/Power over USB
Ethernet/Power over USB
Ethernet/Power over USB
Onboard Logging Memory
512MB
Onboard Logging Memory
512MB
Onboard Logging Memory
512MB
Maximum Total Logging Rate
100kHz
Maximum Total Logging Rate
100kHz
Maximum Total Logging Rate
100kHz
Logging Channels
250
Logging Channels
250
Logging Channels
250
Global Positioning System (GPS)
Global Positioning System (GPS)
Global Positioning System (GPS)
E-Throttle control
E-Throttle control
E-Throttle control
Flex Fuel
Flex Fuel
Flex Fuel
Trigger Oscilloscope
Trigger Oscilloscope
Trigger Oscilloscope
3 Axis Accelerometer
3 Axis Accelerometer
3 Axis Accelerometer
Selectable Temp Input Pullups
Selectable Temp Input Pullups
Selectable Temp Input Pullups
Flexible engine protection limiters
Flexible engine protection limiters
Flexible engine protection limiters
CAN Keypad Control
CAN Keypad Control
CAN Keypad Control
VVT Control
VVT Control
VVT Control
Open or Closed Loop Boost Control
Open
Open or Closed Loop Boost Control
Both
Open or Closed Loop Boost Control
Both
Onboard Lambda Sensor Control
Onboard Lambda Sensor Control
Onboard Lambda Sensor Control
Dual Closed Loop Lambda
Dual Closed Loop Lambda
Dual Closed Loop Lambda
Direct Automatic Transmission Control
Direct Automatic Transmission Control
Direct Automatic Transmission Control
Nitrous Control
Nitrous Control
Nitrous Control
Launch Control
Launch Control
Launch Control
Anti-Lag
Anti-Lag
Anti-Lag
Cruise Control
Cruise Control
Cruise Control
Traction Control
Traction Control
Traction Control
Race Timer and Power Management
Race Timer and Power Management
Race Timer and Power Management
Gear Shift Control
Limited
Gear Shift Control
Gear Shift Control
Paddle Shift Control
Paddle Shift Control
Paddle Shift Control
The table is going to need the following footnotes somewhere, preferably at the bottom:
‡ G5 Voodoo Pro has 12 inj, 8 ign, plus 4 multipurpose (inj, ing, aux) drives (24 total). † Check Specific pinout for number of I/Os exposed.
† Check Specific pinout for number of I/Os exposed.
# 4 pins are multi-purpose Aux or Digital Input pins. Each pin can be either Aux or Digital Input, not both at the same time.
* 2 Digital Inputs required when using 2nd CAN Bus.
§ 4 pins are multi-purpose Injection, Aux or Digital Input pins. Each pin can be either Injection, Aux. or Digital Input, not all at the same time.
Link ECU products should not be used where they interfere with a vehicle’s safety or emission control features. (no footnote symbol on this one).



