Dell R820, E21S001 owner manual Internal USB Memory Key Optional

Removing The Cooling-Fan Assembly	60
Installing The Cooling-Fan Assembly	61
Internal USB Memory Key (Optional)	62
Replacing The Internal USB Key	62
Expansion Cards And Expansion-Card Risers	63
Expansion Cards Installation Guidelines	63
Removing An Expansion Card From An Expansion-Card Riser 1 Or 2	64
Installing An Expansion Card Into The Expansion-Card Riser 1 Or 2	67
Removing An Expansion Card From The Expansion-Card Riser 3	67
Installing An Expansion Card Into The Expansion-Card Riser 3	70
Removing Expansion-Card Risers	71
Installing Expansion-Card Risers	75
SD vFlash Card	75
Replacing An SD vFlash Card	76
Internal Dual SD Module	76
Removing The Internal Dual SD Module	76
Installing the Internal Dual SD Module	77
Internal SD Card	78
Removing An Internal SD Card	78
Installing An Internal SD Card	78
Integrated Storage Controller Card	78
Removing The Integrated Storage Controller Card	79
Installing The Integrated Storage Controller Card	81
Network Daughter Card	81
Removing The Network Daughter Card	82
Installing The Network Daughter Card	84
Processors	84
Removing The Processor	84
Installing The Processor	87
Power Supplies	88
Hot Spare Feature	88
Removing An AC Power Supply	89
Installing An AC Power Supply	90
Wiring Instructions For A DC Power Supply	90
Removing A DC Power Supply	92
Installing A DC Power Supply	93
Removing The Power Supply Blank	94
Installing The Power Supply Blank	94
System Battery	94
Replacing The System Battery	94
Hard-Drive Backplane	95
Removing The Hard-Drive Backplane	96