JULY 2010– POWER TRAINING INTRODUCTION 1 Rough “Rules of Thumb” to Gauge a Host Look up Passmark score at: Assess the expected workload Calculate max users by: Low workload – divide by 165 Medium workload – divide by 215 High workload – divide by 275 Calculate memory by: 2 GB for OS 225 MB per user Round up to next logical memory configuration THIS IS ONLY A STARTING POINT – CUSTOMERS NEED TO TEST IN THEIR ENVIRONMENT “Mileage may vary”

JULY 2010– POWER TRAINING INTRODUCTION 2 “Rules of Thumb” Example Processor is Intel Core i Passmark score = 8937 Workload is assumed to be “Medium” 8937 / 215 = 42 users Memory = 2 GB + 42 x 240 MB = 12.1 GB  16 GB THIS IS ONLY A STARTING POINT – CUSTOMERS NEED TO TEST IN THEIR ENVIRONMENT “Mileage may vary”

Work Load – How to define Low Workload Scenario Microsoft Office® applications: one instance of Word and Excel® per user Adobe® Reader 10 — opening and viewing a PDF file Internet Explorer®, with two windows/tabs active Medium Workload Scenario Microsoft Office applications: one instance of Word, Excel and PowerPoint® per user Adobe Reader 10 — opening and viewing a PDF file Internet Explorer, with three windows/tabs active 3

Work Load – How to define High Workload Scenario Microsoft Office applications: one instance of Word, Excel and PowerPoint per user Adobe Reader 10 — opening and viewing a PDF file Internet Explorer, with four windows/tabs active Video file (played in Windows Media Player) in a half-screen size window at 480p resolution 480p Video Stream (all users) Media Player Used: VLC Media Player Video used: "Beauty of Pixar" (480p, 24 fps, 24bit color)* 720p Video Stream (all users) Media Player Used: VLC Media Player Video used: "Beauty of Pixar" (720p, 24 fps, 24bit color)* 4