Dell PowerEdge R840 EMC Installation and Service Manual - Page 128

Optional internal USB memory key

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Figure 101. Installing USB 3.0 module Next steps 1. Install the internal USB memory key. 2. Install the cooling fan assembly. 3. Install the air shroud. 4. Follow the procedure listed in After working inside your system on page 45. Optional internal USB memory key An optional USB memory key installed inside your system can be used as a boot device, security key, or mass storage device. To boot from the USB memory key, configure the USB memory key with a boot image and then specify the USB memory key in the boot sequence in System Setup. An optional USB memory key can be installed in the internal USB 3.0 port. NOTE: To locate the internal USB port on the system board, see the System board jumpers and connectors section. Replacing optional internal USB memory key Prerequisites CAUTION: To avoid interference with other components in the server, the maximum permissible dimensions of the USB memory key are 15.9 mm wide x 57.15 mm long x 7.9 mm high. 1. Follow the safety guidelines listed in Safety instructions on page 44. 2. Follow the procedure listed in Before working inside your system on page 45. 3. Remove the air shroud. Steps 1. Locate the USB port or USB memory key on the system board. To locate the internal USB port on the system board, see the System board jumpers and connectors section. 128 Installing and removing system components

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Figure 101. Installing USB 3.0 module
Next steps
1.
Install the internal USB memory key
.
2.
Install the cooling fan assembly
.
3.
Install the air shroud
.
4.
Follow the procedure listed in
After working inside your system
on page 45.
Optional internal USB memory key
An optional USB memory key installed inside your system can be used as a boot device, security key, or mass storage device. To boot from
the USB memory key, configure the USB memory key with a boot image and then specify the USB memory key in the boot sequence in
System Setup.
An optional USB memory key can be installed in the internal USB 3.0 port.
NOTE:
To locate the internal USB port on the system board, see the System board jumpers and connectors section.
Replacing optional internal USB memory key
Prerequisites
CAUTION:
To avoid interference with other components in the server, the maximum permissible dimensions of the USB
memory key are 15.9 mm wide x 57.15 mm long x 7.9 mm high.
1.
Follow the safety guidelines listed in
Safety instructions
on page 44.
2.
Follow the procedure listed in
Before working inside your system
on page 45.
3.
Remove the air shroud
.
Steps
1.
Locate the USB port or USB memory key on the system board.
To locate the internal USB port on the system board, see the
System board jumpers and connectors
section.
128
Installing and removing system components