System weight......................................................................................................................................................................81
Processor specifications......................................................................................................................................................81
Supported operating systems............................................................................................................................................82
PSU specifications...............................................................................................................................................................82
System fan specifications...................................................................................................................................................82
System battery specifications............................................................................................................................................82
Expansion card specifications............................................................................................................................................82
Memory specifications........................................................................................................................................................83
Storage controller specifications.......................................................................................................................................83
Drive specifications............................................................................................................................................................. 83
Drives.............................................................................................................................................................................. 83
Optical drives..................................................................................................................................................................84
Ports and connectors specifications.................................................................................................................................84
USB ports specifications...............................................................................................................................................84
NIC port specifications..................................................................................................................................................84
Serial connector specifications.................................................................................................................................... 84
DisplayPort specifications.............................................................................................................................................84
Video specifications.............................................................................................................................................................84
Environmental specifications............................................................................................................................................. 84
Thermal restriction matrix............................................................................................................................................ 85
Particulate and gaseous contamination specifications............................................................................................. 86
8 System diagnostics and indicator codes ...................................................................................... 87
Front panel indicator codes................................................................................................................................................87
NIC indicator codes.............................................................................................................................................................88
Power supply unit Built-in Self Test .................................................................................................................................88
Steps to confirm that power supply unit is defective...............................................................................................88
Enhanced Pre-Boot System Assessment — ePSA diagnostics................................................................................... 89
Running the ePSA Diagnostics.................................................................................................................................... 89
Diagnostics........................................................................................................................................................................... 89
Diagnostic error messages.................................................................................................................................................90
System error messages...................................................................................................................................................... 93
9 Getting help...............................................................................................................................94
Recycling or End-of-Life service information.................................................................................................................. 94
Uploading files to Dell Technical Support.........................................................................................................................94
Contacting Dell.................................................................................................................................................................... 94
Accessing system information by using QRL...................................................................................................................95
Quick Resource Locator for PowerEdge T40 system..............................................................................................95
10 Documentation resources.......................................................................................................... 96
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