Reliable 300 Watt Replacement ATX
Power Supply
ATXPOWER300
ATXPOWR300GB
Instruction Guide
The Professionals’ Source For Hard-to-Find Computer Parts
POWER SUPPLY
Revised: September 25, 2003
* Actual product may vary from photo
* ATXPOWER300 shown
FCC COMPLIANCE STATEMENT
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation.
Technical Support
The following technical resources are available for this StarTech.com product:
On-line help:
We are constantly adding new information to the Tech Support section of our web site. To
access this page, click the Tech Support link on our homepage, www.startech.com. In the
tech support section there are a number of options that can provide assistance with this
device.
Knowledge Base - This tool allows you to search for answers to common issues using
key words that describe the product and your issue.
FAQ - This tool provides quick answers to the top questions asked by our customers.
Downloads - This selection takes you to our driver download page where you can
findthe latest drivers for this product.
Call StarTech.com tech support for help:
USA/Canada: 1-519-455-4931
UK/Ireland/Europe: 00-800-7827-8324
Support hours: Monday to Friday 9:00AM to 5:00PM EST (except holidays)
Warranty Information
This product is backed by a two-year warranty. In addition StarTech.com warrants its
products against defects in materials and workmanship for the periods noted,
following the initial date of purchase. During this period, the products may be
returned for repair, or replacement with equivalent products at our discretion. The
warranty covers parts and labor costs only. StarTech.com does not warrant its products
from defects or damages arising from misuse, abuse, alteration, or normal wear and
tear.
Limitation of Liability
In no event shall the liability to StarTech.com Ltd. (or its officers, directors, employees or
agents) for any damages (whether direct or indirect, special, punitive incidental,
consequential, or otherwise), loss of profits, loss of business, or any pecuniary loss,
arising out of related to the use of the product exceed the actual price paid for
the product.
Some states do not allow the exclusion or limitation of incidental or consequential
damages. If such laws apply, the limitations or exclusions contained in this statement
may not apply to you.
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Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1
Product Specifications
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Dimensions 5.9 x 3.35 x 5.87 in. (150 x 85 x 149mm)
Weight ATXPOWER300: 3.04 lbs (1.38 kg)
ATXPOWR300GB: 3.85 lbs (1.75 kg)
Input Voltage 115/230V
Output Power 300W
Connectors 6 x 4-pin-LP4-female
2 x small-internal-power
1 x 20-pin-ATX-motherboard-adapter
1 x 4-pin extended ATX power 12V plug and Aux
plug for Pentium 4
MTBF 40,000 Hours
Safety Approvals TUV, UL, CSA, CE, FCC, CB
AC INPUT Voltage 115V~ Current 8A
Voltage 230V~ Current 4A
Frequency 50~60Hz
DC OUTPUT +3.3V(28A)
+5V(30A)
+12V(15A)
-5V(0.3A)
-12V(0.8A)
+5V(2.0A)
Introduction
Thank you for buying a StarTech.com 300-Watt replacement power supply. The
ATXPOWER300 and ATXPOWR300GB are guaranteed compatible with Intel and AMD
processors and designed for an extra long-life in personal and industrial computers. This
power supply ensures stable system performance and uses an automatic temperature
control fan to maintain an optimal operating environment for heat-sensitive components.
Features
•Automatically detects temperature and adjusts fan speed to maintain optimal
performance
•Provides extra power capacity for PC servers with several hard drives
•Provides the extra current required by 1 GHz and faster CPUs
•Provides extra power required by leading edge 3D video accelerator cards
•Provides extra current and power capacity for overclocking CPUs
•Uses superior EMI/RFI power filtration system to ensure system components receive
clean, stable power
• Backed by StarTech.com’s two-year warranty
WARNING! Computer parts can be severely damaged by static electricity. Be sure that
you are properly grounded before opening your computer case. StarTech.com
recommends that you wear an anti-static strap when installing any computer
component. If an anti-static strap is unavailable, discharge yourself of any static
electricity build-up by touching a large grounded metal surface (such as the computer
case) for several seconds. Also make sure that your computer is turned off and
unplugged before attempting to open your computer case.
Contents
This package should contain:
•1 x ATXPOWER300 or ATXPOWR300GB power supply
•1 x power cord
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Installation
ATXPOWER300 users: Check the red power supply voltage switch before installation. It
should be the same as your local power voltage. Change the voltage setting if necessary.
ATXPOWR300GB users: The power supply will automatically detect and set the proper
voltage setting.
1. Make sure that your system is turned off and unplugged. Disconnect the power cord
from your old power supply.
2. Open the case (consult your computer ’s user guide for details, if necessary).
NOTE: Before completing the next step, you may want to take note of what devices are
attached to your current power supply so you know which devices need to be connected
to the new power supply and where their connectors are located.
3. Disconnect all power connectors from the motherboard and the peripheral devices
such as hard drives, floppy disks, etc. Make sure that there are no devices connected
to your existing power supply.
4. Remove the existing power supply from your computer case and replace it with the
new StarTech.com power supply.
5. Connect the power connectors to your motherboard and peripheral devices.
6. Close your computer case.
7. Connect the power cord to the StarTech.com power supply.
ATXPOWER300/ATXPOWR300GB Connectors
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