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M2-ATX
6-24V Intelligent Automobile ATX Power Supply
Installation Guide
Version 1.4 (Firmware V1.4, 06.06.2008)
P/N M2-ATX-02
Before you start...
Please take a moment and read this manual before you install the M2-ATX in your vehicle. Often times, rushing into
installing the unit can result in serious damage to your M2-ATX board, computer and probably your car's electrical
system.
The M2-ATX board has several wires that need to be installed in various places. When installing, always double check
the polarity of your wires with a voltmeter.
Avoid using the cigarette plug as a power source, often times the contacts are not capable of delivering high current to
your PC.
1.0 Introduction
Thank you for purchasing the M2-ATX power sequencer / vehicle ATX power supply.
The M2-ATX was designed to work with a wide variety of main boards such as the VIA mini-ITX motherboards as well as
Pentium-M Celeron or full power P4 systems.
1.1 M2-ATX Logic Diagram
1.2 M2-ATX Connection diagram
M2-ATX : Top view

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Summary of Contents for Cartft M2-ATX

  • Page 1 Thank you for purchasing the M2-ATX power sequencer / vehicle ATX power supply. The M2-ATX was designed to work with a wide variety of main boards such as the VIA mini-ITX motherboards as well as Pentium-M Celeron or full power P4 systems.
  • Page 2 The M2-ATX is addressing these issues by cutting off the 5VSB rail after a pre-defined amount of time (see jumper chart, HARDOFF). When 5VSB is always active (HARDOFF=Never), M2-ATX constantly monitors the battery levels. When battery level drops below 11V for more than one minute, M2-ATX will shut down and re-activate only when the input voltage is > 11V.
  • Page 3 Loud amplifier pops when PC starts. If your PC is connected to your car amplifier, you will hear a loud pop when the computer is first started. The M2-ATX has an ‘anti-thump’ control that will keep your amp OFF while the PC starts. Simply connect J6 to your amplifier remote control pins to activate the ‘anti-thump’...
  • Page 4 Input (V) 12V rail current Input (V) 12V rail current 8.5A 14-18V 20-26V NOTE : Maximum power = 169.90 Watt When operating at 24V or extreme temperatures, de-rate by 25%, ventilation will be required. B. Lambert – CarTFT.com, Revision: 06.06.2008...