10 | Contents3.5" Hard-Drive Backplane With CPLD ................................................. 2313.5" Hard-Drive Backplane With Expander .......................................... 2322.5" Hard-Drive Backplane With Expander .......................................... 2332.5" Hard-Drive Backplane Expander Card Connectors .................... 234Middle Plane Connectors .............................................................................. 235Expansion Card Connectors .......................................................................... 236SAS Mezzanine Card Connectors ................................................................. 23710GbE Mezzanine Card Connectors.............................................................. 238Fan Controller Board Connectors ................................................................. 239Power Distribution Board Connectors ......................................................... 240Sensor Board Connectors .............................................................................. 241Switch and Jumper Settings ......................................................................... 242System Configuration Switch Settings ................................................ 2423.5" Backplane With CPLD Jumper Settings ....................................... 2433.5" Backplane With Expander Jumper Settings ................................ 2442.5" Backplane Expander Card Jumper Settings ................................ 2456 Getting Help ................................................................................246Contacting Dell ................................................................................................ 2467 Index ............................................................................................247