StarTech.com ATXPOWER300 User manual

Manual Revision: 07/05/2013
For the most up-to-date information, please visit: www.startech.com
DE: Bedienungsanleitung - de.startech.com
FR: Guide de l'utilisateur - fr.startech.com
ES: Guía del usuario - es.startech.com
IT: Guida per l'uso - it.startech.com
NL: Gebruiksaanwijzing - nl.startech.com
PT: Guia do usuário - pt.startech.com
ATXPOWER300
ATXPOWR300GB
300 Watt ATX Replacement Computer PC
Power Supply
*actual product may vary from photos

Instruction Manual
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. If this equipment
does cause harmful interference to radio or television reception, which can be determined by
turning the equipment o and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit dierent from that to which the receiver
is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Use of Trademarks, Registered Trademarks, and other Protected Names and
Symbols
This manual may make reference to trademarks, registered trademarks, and other
protected names and/or symbols of third-party companies not related in any way to
StarTech.com. Where they occur these references are for illustrative purposes only and do not
represent an endorsement of a product or service by StarTech.com, or an endorsement of the
product(s) to which this manual applies by the third-party company in question. Regardless
of any direct acknowledgement elsewhere in the body of this document, StarTech.com hereby
acknowledges that all trademarks, registered trademarks, service marks, and other protected
names and/or symbols contained in this manual and related documents are the property of
their respective holders.

Instruction Manual
i
Table of Contents
Introduction............................................................................................1
Packaging Contents ................................................................................................................................. 1
Features ........................................................................................................................................................ 1
Installation ..............................................................................................2
Specications..........................................................................................3
Technical Support ..................................................................................4
Warranty Information............................................................................4

Instruction Manual
1
Introduction
This StarTech.com power supply oers an upgrade or replacement to a variety of Intel
or AMD-based ATX desktop computer systems. Compliant with the industry standard
ATX specication and using the standard ATX form-factor, this power supply (PSU) can
be used as a replacement in a variety of popular OEM desktop systems.
Conforming to ATX revision 2.03, this power supply features a 20-pin ATX power
connector and 6-pin AUX power connector, for support for older, legacy computer
systems, as well as some newer, low powered systems with it’s ATX12V connector. High
quality components and a built in 80mm cooling fan lend to a durable and reliable
power supply, while being backed by StarTech.com’s 2 year warranty and free lifetime
technical support.
Packaging Contents
• 300W ATX Power Supply
• Power Cord (NA)
• Instruction Manual
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 ltration system to ensure system components receive
clean, stable power
• Backed by StarTech.com’s two-year warrantyr

Instruction Manual
2
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 o 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, oppy 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.

Instruction Manual
3
Specications
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, CUL, 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)

Instruction Manual
4
Technical Support
StarTech.com’s lifetime technical support is an integral part of our commitment to
provide industry-leading solutions. If you ever need help with your product, visit
www.startech.com/support and access our comprehensive selection of online tools,
documentation, and downloads.
For the latest drivers/software, please visit www.startech.com/downloads
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 of StarTech.com Ltd. and StarTech.com USA LLP (or their
ocers, directors, employees or agents) for any damages (whether direct or indirect,
special, punitive, incidental, consequential, or otherwise), loss of prots, loss of business,
or any pecuniary loss, arising out of or 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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Canada, the United Kingdom and Taiwan servicing a worldwide market.