ATTO Technology FC-41XS, FC-21PS, FC-42XS, FC-41ES Exhibit 4-11 FC-44ES Exhibit 4-12 FC-42ES

Celerity FC host adapters Page Page Contents Page Atto provides Fibre Channel solutions Celerity FC-41EN AdapterCelerity FC-42EN Adapter Celerity FC-44ES Adapter Celerity FC-42ES Adapter Celerity FC-41ES Adapter PCI bus specifications Celerity FC-42XS AdapterCelerity FC-41XS Adapter Celerity FC-21PS Adapter Celerity selection guide APIPage Fibre Channel is a key technology for storage GlossaryLED Windows 2000/XP/Server 2003/Vista Installing and updating driversSpecialized configurations Upgrading an existing Celerity FC driver Adding a Celerity FC adapter to an existing installationCreating a boot disk Creating a Celerity FC installation floppy Mac OS X driver installation, updateLinux driver installation, update Creating a floppy disk from a downloadPage System requirements Hardware installationInstallation Fibre Channel addressBracket details Page Adapter board details Exhibit 4-11 FC-44ES Exhibit 4-12 FC-42ES Exhibit 4-13 FC-41ES Exhibit 4-14 FC-42XS Exhibit 4-15 FC-41XS Exhibit 4-16 FC-21PS Updating flash on a PC Updating hardware flashUpdating flash in all operating systems General suggestions TroubleshootingMac OS Linux Select Device ManagerCanadian standards Appendix a Standards and compliancesFCC standards radio and television interference European standardsUsage restrictions Following apply to the Celerity FC-42XS host adapter onlyAppendix B Accessories Product Features Appendix C Scsi adapter selection guideProduct Features Atto ExpressSAS RAID Adapters R348 R380 Appendix D SAS adapter selection guideAppendix E Contact Atto Technology, Inc