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mini-box M2-ATX Installation Manual

6-24v intelligent automotive atx

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6-24V Intelligent Automotive ATX Power Supply
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 certain full
power Core Duo systems.
1.1 M2-ATX Logic Diagram
+
Battery
GND
Ignition
Amplifier
Enable
M2-ATX
Installation Guide
Version 1.4 (firmware v1.5, 10/15/2009)
P/N M2-ATX-01
Reverse and
Switch Logic
+
forward protection
-
SW
8bit MCU
M2-ATX
J6
6-30V DC-DC
ATX power
ATX PSU
MotherBoard
ON/OFF switch
J8
J9
Optional On/OFF switch
J5
LED
PC

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Summary of Contents for mini-box 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 certain full power Core Duo systems.
  • Page 2 *AutoLatch is active during the fist 60s of PC operation (and only during the first 60 seconds). For example, If Ignition is turned ON and then OFF right away, M2-ATX will latch Ignition in ON position for the next 60 seconds, M2-ATX User Guide...
  • Page 3 AutoLatch feature will be removed and system will shut down at as governed by the “Off-delay” setting. P0: In this mode, the M2-ATX behaves like a regular ATX power supply. If J6 is connected to the motherboard, M2-ATX will also send a gratuitous “ON pulse”...
  • Page 4 Ignition=ON. Your computer will remain ON. Ignition=OFF. M2-ATX waits for “OFFDELAY” in seconds (see jumper chart) and then it turns the motherboard OFF by sending a signal to the motherboard’s ON/OFF switch. Your computer should turn off gracefully (shutdown procedure).
  • Page 5 Cool Embedded PCs 12V Rail Output Current Input (V) 12V rail current Input (V) 12V rail current 8.5A 14-18V 20-26V For low input voltage (6-10V) ventilation might be required for peak load M2-ATX User Guide Page 5...