Adobe and PostScript are either registered trademarks or trademarks of AdobeSystems Incorporated in the United States and/or other countries.Cell Broadband Engine is a trademark of Sony Computer Entertainment, Inc., in theUnited States, other countries, or both and is used under license therefrom.Intel, Intel Xeon, Itanium, and Pentium are trademarks or registered trademarks ofIntel Corporation or its subsidiaries in the United States and other countries.Java and all Java-based trademarks are trademarks of Sun Microsystems, Inc., inthe United States, other countries, or both.Linux is a registered trademark of Linus Torvalds in the United States, othercountries, or both.Microsoft, Windows, and Windows NT are trademarks of Microsoft Corporation inthe United States, other countries, or both.UNIX is a registered trademark of The Open Group in the United States and othercountries.Other company, product, or service names may be trademarks or service marks ofothers.Important notesProcessor speed indicates the internal clock speed of the microprocessor; otherfactors also affect application performance.CD or DVD drive speed is the variable read rate. Actual speeds vary and are oftenless than the possible maximum.When referring to processor storage, real and virtual storage, or channel volume,KB stands for 1024 bytes, MB stands for 1 048 576 bytes, and GB stands for1 073 741 824 bytes.When referring to hard disk drive capacity or communications volume, MB standsfor 1 000 000 bytes, and GB stands for 1 000 000 000 bytes. Total user-accessiblecapacity can vary depending on operating environments.Maximum internal hard disk drive capacities assume the replacement of anystandard hard disk drives and population of all hard disk drive bays with the largestcurrently supported drives that are available from IBM.Maximum memory might require replacement of the standard memory with anoptional memory module.IBM makes no representation or warranties regarding non-IBM products andservices that are ServerProven, including but not limited to the implied warranties ofmerchantability and fitness for a particular purpose. These products are offered andwarranted solely by third parties.IBM makes no representations or warranties with respect to non-IBM products.Support (if any) for the non-IBM products is provided by the third party, not IBM.106 System x3400 Types 7973, 7974, 7975, and 7976: User’s Guide