Memory specications...................................................................................................................................................123
Hard drives...................................................................................................................................................................... 123
Mezzanine and Mini Mezzanine slots specications..................................................................................................123
Storage controller specications.................................................................................................................................. 123
Ports and connectors specications............................................................................................................................123
USB ports.................................................................................................................................................................. 124
Internal Dual SD Module ......................................................................................................................................... 124
Micro SD vFlash connector.....................................................................................................................................124
Video specications .......................................................................................................................................................124
Environmental specications.........................................................................................................................................124
Particulate and gaseous contamination specications ....................................................................................... 125
Standard operating temperature............................................................................................................................ 126
Expanded operating temperature........................................................................................................................... 127
Thermal...................................................................................................................................................................... 127
8 System diagnostics and indicator codes .................................................................................................... 129
Power button LED..........................................................................................................................................................129
Drive indicator codes..................................................................................................................................................... 130
System health and system ID indicator codes.............................................................................................................131
Using system diagnostics............................................................................................................................................... 131
Dell Embedded System Diagnostics........................................................................................................................131
9 Getting help............................................................................................................................................... 133
Contacting Dell EMC......................................................................................................................................................133
Documentation feedback.............................................................................................................................................. 133
Accessing system information by using QRL..............................................................................................................133
Quick Resource Locator for PowerEdge MX740c system..................................................................................134
Receiving automated support with SupportAssist ....................................................................................................134
Recycling or End-of-Life service information..............................................................................................................134
10 Documentation resources......................................................................................................................... 135
6
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