StarTech.com SV431H User Manual

4 Port Professional USB or PS/2
VGA KVM Switch

SV431H

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

For the most up-to-date information, please visit: www.startech.com

Manual Revision: 04/12/2012

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.

Table of Contents

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

Installation............................................................................................................................................................2

PC BIOS Notice ............................................................................................................................................2

Adhesive Rubber Feet ............................................................................................................................3

Console Connection ...............................................................................................................................3

Computer Connection ..........................................................................................................................3

Operations ...........................................................................................................................................................5

Front Panel ....................................................................................................................................................5

Hot Key Commands ................................................................................................................................6

Change Leading Hot Key ....................................................................................................................7

Cascade Conguration ................................................................................................................................7

Connection ...................................................................................................................................................7

Computer Selection by Hot Key Command ............................................................................7

Troubleshooting ...............................................................................................................................................8

Specications .....................................................................................................................................................9

Technical Support ...........................................................................................................................................10

Warranty Information ....................................................................................................................................10

Instruction Manual

i

Introduction

The StarTech.com SV431H, fully compatible with USB specication, is a hybrid USB and PS/2
keyboard/mouse/monitor sharing switch. The SV431H USB switch lets a user manage four
computers by USB or PS/2 interface or a combination of both, from 1 monitor, PS/2 keyboard
and mouse saving you space, time, equipment and money.

Installation is as easy as connecting USB A-B cables or PS/2 cables in between computers and
the SV431H switch. Selecting a computer is as easy as front panel push button pressing or by
entering hotkey commands. The SV431H switch provides the easiest way to manage multiple
USB or PS/2 computers with one PS/2 keyboard, mouse and monitor. No more tangled cables
and messy working environments

Features

• Manage 4 PCs with USB or PS/2 interfaces from one PS/2 keyboard, mouse or monitor.

• Front panel push buttons and hotkey commands for easy computer selection.

• No drivers needed for keyboard and mouse operation.

• Support keyboard and mouse operation.

• High VGA resolution: 1920 x 1440.

• Buzzer sound for computer switching conrmation.

• Activate Auto Scan by front button pressing.

• Selectable Scan Time interval.

• Support the latest DDC2B VGA monitor.

• Saves time, space, equipment and power.

• No software required.

Instruction Manual

1

Installation

PC BIOS Notice

The following BIOS setup changes are necessary for PC users using USB and not necessary for
Mac users:

1. In STANDARD CMOS, set HALT ON ERROR to ALL BUT KEYBOARD.

2. In PNP AN PCI SETUP, set PNP OS INSTALLED to YES and set USB IRQ to ENABLE.

3. For newer computers: in INTEGRATED PERIPHERALS, set USB CONTROLLER and KEYBOARD
SUPPORT to ENABLE.

Also make sure that USB is properly selected in Device Manager under Control Panel, as shown
below.
Note: The SV431H is applicable for USB keyboard and mouse. Switching from one computer
to the next is equivalent to unplugging the USB device from one computer and plugging it to
another. Some USB drivers check attached USB peripherals all the time and do not accept plug­n-play function.

Instruction Manual

2