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DSATX Manual 

Copyright 2006 Mpegbox.com

 

  Page 1 of 13 

 

 DuraWatt DSATX 

220-Watt DC-DC ATX Power Supply

 

User Manual 

Version 1.0 

 

Table of Contents 

 

1.

 

Getting Started......................................................................................................................................1

 

1.1.

 

Introduction...........................................................................................................................................1

 

1.2.

 

Product Photo ...............................................................................................................................2

 

1.3.

 

Block Diagram...............................................................................................................................2

 

1.4.

 

Included Contents and Optional Accessories................................................................................2

 

2.1.

 

Recommended Additional Supplies ..............................................................................................3

 

2.2.

 

Recommended Tools ....................................................................................................................3

 

2.3.

 

Connection Overview Diagram .....................................................................................................3

 

2.4.

 

Precautions and Warnings ............................................................................................................3

 

2.5.

 

Detailed Connection Diagram .......................................................................................................4

 

2.6.

 

Bench Testing ...............................................................................................................................4

 

2.7.

 

Quick Installation Steps.................................................................................................................5

 

3.

 

User Guide ............................................................................................................................................5

 

3.1.

 

Theory of Operation ......................................................................................................................5

 

3.2.

 

Modes of Operation.......................................................................................................................5

 

3.3.

 

LED Codes....................................................................................................................................6

 

3.4.

 

Basic Mode Timing Diagram .........................................................................................................6

 

3.5.

 

Features Explained .......................................................................................................................6

 

4.

 

Serial Port Connectivity .......................................................................................................................8

 

4.1.

 

Serial Port Adapters ......................................................................................................................8

 

4.2.

 

Serial Port Overview .....................................................................................................................8

 

4.3.

 

Basic Programming Control ..........................................................................................................8

 

4.4.

 

Diagnostic Feed ............................................................................................................................8

 

4.5.

 

Extended Basic Programming Examples ......................................................................................9

 

4.6.

 

Advanced Features .....................................................................................................................10

 

4.7.

 

Advanced Feature Tables ...........................................................................................................10

 

5.

 

Specifications .....................................................................................................................................11

 

5.1.

 

Electrical .....................................................................................................................................11

 

5.2.

 

Mechanical..................................................................................................................................11

 

5.3.

 

Connector Pin Locations .............................................................................................................12

 

7.

 

Mpegbox.com Limited Warranty .......................................................................................................13

 

 

1.  Getting Started 

1.1. 

Introduction 

Thank you for purchasing a DSATX 220 Watt Automotive Power Supply. Please take some time to read 

through this manual before attempting to use this product.  
 

The DSATX is the most advanced DC-DC Automotive Computer Power Supply available. It is capable of 

properly powering most Pentium 4 and AMD based computers in a motor vehicle as well as their accessories. 
Its advanced microprocessor control enables features such as Startup/Shutdown Sequencing, Low Voltage 

Summary of Contents for DuraWatt DSATX

Page 1: ...Connectivity 8 4 1 Serial Port Adapters 8 4 2 Serial Port Overview 8 4 3 Basic Programming Control 8 4 4 Diagnostic Feed 8 4 5 Extended Basic Programming Examples 9 4 6 Advanced Features 10 4 7 Advan...

Page 2: ...tion J5 J2 J8 DC DC Power Supply 5VSB 5V 3 3V 12V PSON 12V Adjust POTs JP1 ATX 20p 12V FAN Chassis Ground GND 12 Volts In VIN Accessory In ACC Status LED MotherBoard Switch Advanced Options Communicat...

Page 3: ...B Power Switch Computer Motherboard Hard Drive CD ROM etc 2 4 Precautions and Warnings Operating a personal computer in a motor vehicle can be dangerous Improper use or negligence can result in damage...

Page 4: ...ort Enables Advanced Modes field upgrades and diagnostics Note Do Not Over Turn P1 and P2 only 270 degrees is available 2 6 Bench Testing The DSATX can be tested in the lab before being installed into...

Page 5: ...to have the ability to go to the gas station and have the computer still running while you pump and pay so when you come back you don t have to wait a boot up When you get home you don t want a dead b...

Page 6: ...te computer is on 1 blinks Main Countdown Timer 2 blinks Power Down after shutdown pulse is sent 3 blinks N A 4 blinks Over or Under Temperature Condition Are you using a fan 5 blinks Power Supply Ove...

Page 7: ...fail for any reason When rails are shorted for example 5 volts to 12 volts other power supplies on the market will not detect an over voltage condition which will damage 5 volt rated computer componen...

Page 8: ...e HyperTerminal or TeraTerm are examples of applications that can be used to interface with the DSATX s Extended Basic and Advanced Modes The USB adapter creates a virtual COMM Port 4 3 Basic Programm...

Page 9: ...er1 is the maximum seconds you can set with the P1 Pot Basically if you set the pot half way and had Maxtimer1 set to 1200 it would shutdown in 600 seconds If you set the Maxtimer1 to 0060 you would h...

Page 10: ...ENABLESLEEP 13 1 1 yes 0 no If set Unit Will go use Sleep Mode ACC High for Wake Up FEEDON 14 1 1 yes 0 no If set Serial Port Diagnostic Status Feed is Enabled VTURNON 15 0 1 yes 0 no If set Mb Switc...

Page 11: ...Input Threshold Low 4V High 7V 30V Max ACC Input Impedance 100k Ohms MB Power Switch Output Drive Open Collector 50mA Max AUX Output Drive Open Collector 50mA Max User Switch Pull Up Drive 10k Ohms t...

Page 12: ...5V GND 3 3V 3 3V 5V 5V N A GND GND GND GND 12V PSON J8 ATX12V J7 ATX PWR ACC VIN GND J5 INPUT PWR 12 N C GND GND TX OUT 5VD RX IN J1 FAN J2 COMM RESET GND GND GND GND GND GND G MB_SW F AUX_SW E SL_SEN...

Page 13: ...nnected to the Mpegbox com product or other consumable parts transportation costs or any damage incurred in transit This warranty will become void if the serial number identification has be wholly or...

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