Dell Alienware Aurora R4 Owners Manual

Top I/O Panel141
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Top I/O Panel
 WARNING: Before working inside your computer, read the safety information 
that shipped with your computer and follow the steps in Before You Begin on 
page 13. For additional safety best practices information, see the Regulatory 
Compliance Homepage at dell.com/regulatory_compliance.
Prerequisites
1Remove the left side-panel. See Removing the Left Side-Panel on 
page 25.
2Open the PCI shroud. See Opening the PCI Shroud on page 45.
3Remove the drive-bay shroud. See...

142Top I/O Panel
3Remove the screws that secure the top I/O panel to the chassis.
4Disconnect the top I/O panel cables from the connectors on the system 
board and master I/O board.
5Slide and remove the top I/O panel out of the chassis.
Replacing the Top I/O Panel
1Slide the tabs on the top I/O panel into the slots on the chassis.
1 panel insert 2 tab
3 top I/O panel 4 screws (4)
5 top panel
1
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Top I/O Panel143
2Connect the top I/O panel cables to the connectors on the system board 
and master I/O board.
3Replace the screws that secure the top I/O panel to the chassis.
4Align the tabs on the panel insert with the slots on the computer chassis.
Postrequisites
1Replace the front bezel. See Replacing the Front Bezel on page 131.
2Replace the right-side bottom panel. See Replacing the Right-Side 
Bottom Panel on page 123.
3Replace the right-side middle panel. See Replacing the Right-Side Middle...

144Top I/O Panel
book.book  Page 144  Wednesday, May 16, 2012  2:37 PM 

System Setup Utility145
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System Setup
Overview
Use the system setup to:
• get information about the hardware installed in your computer, such as the 
amount of RAM, the size of the hard drive, and so on
• change the system configuration information
• set or change a user-selectable option, such as the user password, type of 
hard drive installed, enabling or disabling base devices, and so on
 NOTE: Before you change system setup, it is recommended that you note the 
system-setup screen information for...

146System Setup Utility
System Setup Options 
 NOTE: Depending on your computer and installed devices, the items listed in this 
section may appear, or may not appear exactly as listed. Setup Item — This field appears on 
the left side of the system setup 
window. The field is a scrollable list 
containing features that define the 
configuration of your computer, 
including installed hardware, power 
conservation, and security features.
Scroll up and down the list with the 
up- and down-arrow keys. As an...

System Setup Utility147
Memory TechnologyDisplays the type of memory technology 
used.
Memory SpeedDisplays the memory speed.
CPU Information
Processor IDDisplays the processor identification 
code.
CPU Speed Displays the processor speed.
Cache L2Displays the processor L2 cache size.
Cache L3Displays the processor L3 cache size.
Advanced — Standard CMOS Features
System Date 
(mm:dd:yy)Displays current date.
System Time 
(hh:mm:ss)Displays the current time.
Device Information
SATA Port1Displays the SATA 1...

148System Setup Utility
OptionROM Display ScreenAllows you to display or hide the RAID 
Option ROM screen during POST.
Advanced — CPU Configuration 
Hyper-threading TechnologyIf disabled only one thread per enabled 
core is active.
XD Bit CapabilityEnable XD Bit Capability to allow the 
processor to distinguish between the bits 
of code that can be executed and the ones 
that cannot be executed. 
Intel(R) Speedstep techIf enabled, the processor clock speed and 
core voltage are adjusted dynamically...

System Setup Utility149
Auto Power On HourAllows you to set RTC Wake Up Hour.
Auto Power On MinuteAllows you to set RTC Wake Up Minute.
Auto Power On SecondAllows you to set RTC Wake Up Second
Advanced — Frequency/Voltage Control
Current CPU FrequencyDisplays the current processor speed.
Current DRAM FrequencyDisplays the current memory speed.
Spread SpectrumEnabling this option could reduce the 
EMI.
Internal PLL OvervoltageEnable Internal PLL Overvoltage for K-
SKU CPUs to get better over clocking...

150System Setup Utility
tRCDDisplays timing of RAS to CAS delay 
(editable in Manual Mode).
tRPDisplays timing of RAS Precharge 
(editable in Manual Mode).
tRASDisplays timing of Row Address Strobe 
(editable in Manual Mode).
tRFCDisplays timing of Refresh to 
Archive/Refresh cycle time (editable in 
Manual Mode).
tWRDisplays timing of Write Recover 
(editable in Manual Mode).
tWTRDisplays Write to Read Delay (editable in 
Manual Mode).
tRRDDisplays RAS to RAS delay (editable in 
Manual Mode)....