StarTech.com MICATXPOW255 Manual

Reliable 255 Watt Replacement Micro
ATX Power Supply
MICATXPOW255
Instruction Guide
The Professionals’ Source For Hard-to-Find Computer Parts
POWER SUPPLY
Revised: October 28, 2003

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 of StarTech.com Ltd. and StarTech.com USA LLP (or their
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 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.
5

Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1
Product Specifications
4
Dimensions 4.9 x 2.5 x 3.9 inches (125 x 65 x 100mm)
Enclosure Zinc plated
Output Power 255W
Fan Type 1 x 8 cm sleeve-bearing
Connectors 3 x 4-pin-LP4 (Hard drive)
1 x 4-pin SP4 small internal power (Floppy drive)
1 x 20-pin ATX motherboard adapter
1 x 4-pin extended ATX power 12V plug
1 x 15-pin Serial ATA
MTBF 100,000 Hours @ 25ºC
Safety Approvals TUV, UL, CSA, CE, FCC Class B
AC INPUT Voltage 115V~ Current 6A
Voltage 230V~ Current 3A
Frequency 50~60Hz
DC OUTPUT +3.3V (20A)
+5V (20.5A)
+12V (11A)
-5V (0.5A)
-12V (0.5A)
+5V Standby (2A)

Introduction
Thank you for buying a StarTech.com 255-Watt replacement power supply. This Micro
ATX power supply is especially geared to fit space-confined systems and is guaranteed
compatible with Intel Pentium and AMD processors. This power supply ensures stable
system performance and uses a high air-flow fan to maintain an optimal operating
environment for heat-sensitive components. This power supply comes SATA ready with
a Serial ATA connector.
Features
•Compatible with Intel Pentium II, III, and 4, and AMD K6 and Athlon processors
•Ensures stable system performance
•Uses high air-flow fan for efficient cooling
•Uses high-quality connectors to provide minimal resistance and enhanced electrical
conductivity
•Uses quad-protection: Short Circuit protection, Over Power protection, Over Voltage
protection, and No Load protection
•Complies with ATX version 2.03, ATX12V, and Serial ATA 1.0 specifications
•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:
•1x MICATXPOW255 power supply
•1x power cord
2
Installation
NOTE: Check the power supply voltage before installation. It should be the same as
your local power voltage (115V for North America and 230V for most of the European
countries). Change the voltage setting if necessary.
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 mother board 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.
MICATXPOW255 Connectors
3

+3.3V
+3.3V
+3.3V
Ground
Ground
Ground
+5.0V
+5.0V
+5.0V
Ground
Reserved
Ground
+12V
+12V
+12V
Pin 1
Pin 15
Serial ATA