From the Dreamcast manual (you can download it from here:
http://www.sega.com/pc/help/faqmanuals.jhtml):
* THIS, LIMITED, WARRANTY IS VALID FOR U.S. AND CANADIAN SEGA DREAMCAST SYSTEMS MANUFACTURED FOR SALE IN AND PURCHASED AND OPERATED IN THE UNITED STATES AND CANADA, ONLY!
Limited Warranty
Sega of America, Inc. warrants to the original consumer purchaser that the Sega Dreamcast System and all component parts shall be free from defects in material workmanship for a period of 90 days from the date of purchase. If a defect covered by this limited warranty occurs during this 90-day warranty period, Sega will repair or replace the defective system or component part, at its option, free of charge. This limited warranty does not apply if the Sega Dreamcast is used with products not distributed or licensed by Sega, or if the defects have been caused by negligence, accident, unreasonable use, modification, tampering or any other causes not related to defective materials or workmanship. Additionally, this warranty shall not be valid if the serial number of the Sega Dreamcast System unit has been altered, defaced or removed in any way. Please retain the original or a photocopy of your dated sales receipt to easily establish the date of purchase for in-warranty repairs.
Obtaining Technical Help/Service
To receive trouble shooting assistance, please contact Sega at:
web site
http://www.sega.com
email address
support@sega.com
800 number 1-800-USA-SEGA
If a representative is unable to solve your problem, you will be given instructions for obtaining exchange/repair service. The following options are available:
Rapid Exchange Program: You will be directed to the nearest Sega authorized service center. Upon
receipt of your unit and verification of proof of purchase, the authorized service center will notify Sega to ship a ?remanufactured? replacement (in like new condition) directly to you.
Repair Service: If you prefer to have your original unit repaired, you will need to return the defective merchandise, freight prepaid and insured against loss or damage, to Sega?s main service center. Sega reserves the right to replace items if repairs are not feasible.
To receive warranty service in the U.S. and Canada, contact Sega?s Service Department at:
www.sega.com or 1-800-872-SEGA. PLEASE CALL FIRST FOR REPAIR INFORMATION.
The cost of returning the system to Sega?s Service Center shall be paid for by the purchaser.
Repairs After Expiration of Warranty
If your Sega Dreamcast System requires repairs after the termination of the 90-day limited warranty period, you may contact Sega at the web site, email address, or 800 number listed on this page for instructions on receiving technical support and repair service.
Limitations On Warranty Any applicable implied warranties, including warranties of merchantability and fitness for a particular purpose, are hereby limited to 90 days from the date of Purchase and are subject to the conditions set forth herein. In no event shall Sega of America, Inc., be liable for consequential or incidental damages resulting from the breach of any express or implied warranties.
The provisions of this limited warranty are valid in the United States only. Some States do not allow limitations on how long an implied warranty lasts, or exclusion of consequential or incidental damages, so the above limitation or exclusion may not apply to you. This warranty provides you with specific legal rights. You may have other rights, which vary from state to state.