Item 1. Business
Item 1A. Risk Factors
Item 1B. Unresolved Staff Comments
Item 2. Properties
Item 3. Legal Proceedings
Item 4. Submission of Matters to a Vote of Security Holders
PART II
Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
Item 6. Selected Financial Data
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations
RESULTS OF OPERATIONS
Item 7a. Quantitative and Qualitative Disclosures About Market Risk
Item 8. Financial Statements and Supplementary Data
Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure
Item 9A. Controls and Procedures
Item 9B. Other Information
PART III
Item 10. Directors, Executive Officers and Corporate Governance
Item 11. Executive Compensation
Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters
Item 13. Certain Relationships and Related Transactions, and Director Independence
Item 14. Principal Accountant Fees and Services
PART IV
Item 15. Exhibits and Financial Statement Schedules
FINANCIAL STATEMENT INDEX
SIGNATURES
SCHEDULE II
EXHIBIT INDEX
EXHIBIT 10.14
EXHIBIT 21.1
EXHIBIT 23.1
EXHIBIT 31.1
EXHIBIT 31.2
EXHIBIT 32

Table of Contents

PART I
 
Item 1.   Business
 
Introduction
 
QLogic Corporation was organized as a Delaware corporation in 1992. Our principal executive offices are located at 26650 Aliso Viejo Parkway, Aliso Viejo, California 92656, and our telephone number at that location is (949) 389-6000. Our Internet address is www.qlogic.com. The Company’s Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and Current Reports on Form 8-K, and any amendment to these reports, that we file with the Securities and Exchange Commission (SEC) are available free of charge on our website as soon as reasonably practicable after those reports are electronically filed with the SEC. On November 4, 2005, we completed the sale of our hard disk drive controller and tape drive controller business. On November 8, 2005, we completed the acquisition of the assets of Troika Networks, Inc. (Troika); on April 3, 2006, we completed the acquisition of PathScale, Inc. (PathScale); and on November 1, 2006, we completed the acquisition of SilverStorm Technologies, Inc. (SilverStorm).
 
Unless the context indicates otherwise, “we,” “our,” “us,” “QLogic” and the “Company” each refer to QLogic Corporation and its subsidiaries.
 
All references to years refer to our fiscal years ended March 30, 2008, April 1, 2007 and April 2, 2006, as applicable, unless calendar years are specified. All references to share and per share data have been adjusted to reflect the effects of our stock split in March 2006.
 
Overview
 
We are a supplier of high performance storage networking solutions and network infrastructure solutions, which are sold primarily to original equipment manufacturers, or OEMs, and distributors. We produce Fibre Channel and Internet Small Computer Systems Interface, or iSCSI, host bus adapters, or HBAs; and InfiniBand® host channel adapters, or HCAs. We are also a supplier of Fibre Channel switches, including core, blade and stackable switches; InfiniBand switches, including edge fabric switches and multi-protocol fabric directors; and storage routers for bridging Fibre Channel and iSCSI networks. Finally, we supply enclosure management and baseboard management products. All of these solutions address the storage area network, or SAN, or server fabric connectivity infrastructure requirements of small, medium and large enterprises. Our products based on Infiniband technology are designed for the emerging high performance computing, or HPC, environments.
 
Customers, Markets and Applications
 
Our customers rely on our SAN infrastructure and server fabric infrastructure technology to deliver solutions to information technology professionals in virtually every business sector.
 
Our products are found primarily in server, workstation and storage subsystem solutions that are used by small, medium and large enterprises with critical business data requirements. The business applications that drive requirements for our high performance interconnect infrastructure include:
 
  •  Data warehousing, data mining and online transaction processing;
 
  •  Media-rich environments such as film/video, broadcast, medical imaging, computer-aided design, or CAD, and computer-aided manufacturing, or CAM;
 
  •  Server clustering, high-speed backup and data replication; and
 
  •  Research and scientific applications.
 
Our products are incorporated in solutions from a number of OEM customers, including Cisco Systems, Inc., Dell Inc., EMC Corporation, Hitachi Data Systems, Hewlett-Packard Company, International Business Machines Corporation, Network Appliance, Inc., Sun Microsystems, Inc. and many others. For information regarding our major customers, see Management’s Discussion and Analysis of Financial Condition and Results of Operations, included in Part II, Item 7 of this report.


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