Dell 7070 Tower - Table of Contents

Contents
1 Working on your computer............................................................................................................................. 6
Safety instructions............................................................................................................................................................. 6
Before working inside your computer........................................................................................................................6
Safety precautions....................................................................................................................................................... 7
Electrostatic discharge—ESD protection................................................................................................................. 7
ESD eld service kit ....................................................................................................................................................8
Transporting sensitive components........................................................................................................................... 9
After working inside your computer...........................................................................................................................9
2 Technology and components........................................................................................................................ 10
DDR4..................................................................................................................................................................................10
DDR4 Details............................................................................................................................................................... 10
Memory Errors.............................................................................................................................................................11
USB features......................................................................................................................................................................11
USB 3.0/USB 3.1 Gen 1 (SuperSpeed USB)............................................................................................................ 11
Speed........................................................................................................................................................................... 12
Applications................................................................................................................................................................. 13
Compatibility................................................................................................................................................................13
USB Type-C.......................................................................................................................................................................13
Alternate Mode........................................................................................................................................................... 13
USB Power Delivery................................................................................................................................................... 14
USB Type-C and USB 3.1........................................................................................................................................... 14
Advantages of DisplayPort over USB Type-C...............................................................................................................14
HDMI 2.0............................................................................................................................................................................14
HDMI 2.0 Features......................................................................................................................................................14
Advantages of HDMI..................................................................................................................................................15
Intel Optane memory........................................................................................................................................................15
Enabling Intel Optane memory..................................................................................................................................15
Disabling Intel Optane memory................................................................................................................................. 15
3 Removing and installing components............................................................................................................ 17
Side cover.......................................................................................................................................................................... 17
Removing side cover.................................................................................................................................................. 17
Installing side cover.....................................................................................................................................................17
Bezel...................................................................................................................................................................................18
Removing front bezel................................................................................................................................................. 18
Installing front bezel....................................................................................................................................................19
Front panel door...............................................................................................................................................................20
Opening front panel door..........................................................................................................................................20
Closing front panel door.............................................................................................................................................21
3.5-inch hard drive assembly..........................................................................................................................................22
Removing 3.5–inch hard drive assembly.................................................................................................................22
Installing 3.5–inch hard drive assembly...................................................................................................................24
Contents
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