Service Manual
Table Of Contents
- OptiPlex 3280 All-in-One Service Manual
- Safety instructions
- Removing and installing components
- Recommended tools
- Screw list
- Stand
- Cable cover—optional
- Back cover
- Hard drive
- Memory modules
- System-board shield
- Solid-state drive
- System fan
- Coin-cell battery
- Wireless card
- Camera assembly
- Bottom cover
- Heat sink
- Processor
- Rear-I/O bracket
- System board
- Speakers
- Power-button board
- Microphones
- Side I/O-board
- Audio board
- Antenna modules
- Display panel
- Middle frame
- Software
- System setup
- Troubleshooting
- Getting help and contacting Dell
Table 7. System setup options—Intel Software Guard Extensions menu
Intel Software Guard Extensions
Intel SGX Enable Enable or disable Intel Software Guard Extensions.
By default, the Software Controlled option is enabled.
Enclave Memory Size Set the Intel Software Guard Extensions Enclave Reserve Memory Size.
By default, the 128 MB option is enabled.
Table 8. System setup options—Performance menu
Performance
Multi Core Support Enable multiple cores.
By default, the option is enabled.
Intel SpeedStep Enable or disable Intel Speedstep Technology.
By default, the option is enabled.
NOTE: If enabled, the processor clock speed and core voltage are
adjusted dynamically based on the processor load.
C-States Control Enable or disable additional processor sleep states.
By default, the option is enabled.
Intel TurboBoost Enable or disable Intel TurboBoost mode of the processor.
By default, the option is enabled.
HyperThread Control Enable or disable HyperThreading in the processor.
By default, the option is enabled.
Table 9. System setup options—Power Management menu
Power Management
AC Recovery Enables the system to turn on automatically, when AC is inserted.
By default, the Power Off option is enabled.
Enable Intel Speed Shift technology Enable/disable Intel Speed Shift Technology support . Setting this option to enable to
allows the operating system to select the appropriate processor performance
automatically.
By default, the option is enabled.
Auto On Time Enable to set the computer to turn on automatically every day or on a preselected
date and time. This option can be configured only if the Auto On Time is set to
Everyday, Weekdays, or Selected Days.
By default, the option is disabled.
Deep Sleep Control
Enable or disable the Deep Sleep mode support.
By default, the Enabled in S4 and S5 option is enabled.
Fan Control Override Enable or disable the fan control override feature.
By default, the option is disabled.
USB Wake Support Enable the USB devices to wake the computer from Standby.
By default, the option is enabled.
Wake on LAN/WLAN
Enable or disable the computer to be powered on by special LAN signals.
By default, the option is disabled.
System setup 85