M3-ATX 6-24V Intelligent ATX Power Supply Installation Guide
Please take a moment and read this manual before you install the M3-ATX in your vehicle. Often times, rushing into installing the unit can result in serious damage to your M3-ATX board, computer and probably your car’s electrical system. 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.
The M3-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 Pentium systems
Power Input Connectors (right side)
Red
Battery + (positeive, un-switched battery)
Black
Battery - (negative)
White
Ignition (switched battery, positive. Can test by connecting it to Battery +)
Power Output Connectors (left side)
Hard drive wire harness (HDD, SATA-HDD, Floppy)
ON/OFF and THUMP wire harness (connects to M3-ATX pin header)
-ON/OFF wire harness (red/back) to connect to motherboard’s ON/OFF pin headers.
-THUMP (white) to connect to amplifier remote ON/OFF connector.
Wire harness for motherboard ON/OFF switch and Thump control (optional)
Wire harness for serial connection.
IMPORTANT: Always use the “Hibernate” feature on your PC, never use “Standby”.
P0: In this mode, the M3-ATX behaves like a regular ATX power supply
P1: Sends ON pulse to motherboard when ignition is ON for more than 2 seconds, sends OFF pulse to motherboard 5 seconds after ignition is turned off. Waits another 1 minute and then shuts down 5VSB to conserve battery. In this mode, the M3-ATX consumes less than 0.5mA. This is our recommended setting.
P2: Sends ON pulse to motherboard when ignition is ON for more than 2 seconds, sends OFF pulse to motherboard 60 seconds after ignition is turned off. Waits another 5 minutes and then shuts down 5VSB to conserve battery.
P3: Sends ON pulse to motherboard when ignition is ON for more than 2 seconds, sends OFF pulse to motherboard 30 minutes after ignition is turned off. Waits another 2 hours and then shuts down 5VSB to conserve battery.
P4: Can be set to any value. Setting can be done via an optional serial cable. (Default values for P4 are Off-delay=30sec, Hard-off=30sec)
Get pdf M3-ATX 6-24V Intelligent ATX Power Supply Installation Guide
