Dell Alienware Aurora R4 Owners Manual

							Technical Overview21
Master I/O Board Components
 NOTE: The location of the connectors may vary based on the selections you made 
at the time of purchase. 1heat-sink fan connector 
(SYS_FAN1)2memory-module connector 
(DIMM1)
3memory-module connector 
(DIMM2)4processor power connector (PWR2)
5processor socket (CPU1)6memory-module connector 
(DIMM4)
7memory-module connector 
(DIMM3)8processor fan connector 
(CPU_FAN)
9main power connector (PWR1)10front USB connector (FUSB3_0)
11heat-sink fan connector 
(SYS_FAN2)12battery socket (BAT1)
13CMOS jumper (CLEAR_CMOS)14serial ATA drive connectors 
(SATA1_2)
15serial ATA drive connectors 
(SATA3_4)16serial ATA drive connectors 
(SATA5_6)
17password jumper (PASSWORD)18front panel connector 
(FRONT_PANEL)
19USB connector (USB1)20USB connector (USB2)
21USB connector (USB3)22Low pin count debug header (LPC)
23front audio connector 
(FRONT_AUDIO)24PCI-Express x1 connector (SLOT4)
25PCI-Express x16 connector 
(SLOT3)26PCI-Express x1 connector (SLOT2)
27PCI-Express x16 connector (SLOT1)
book.book  Page 21  Wednesday, May 16, 2012  2:37 PM 
						

							22Technical Overview
1FlexBay connector (FLEXBAY)2drive-bay shroud battery connector 
(FRONT_BEZEL)
3AlienHead connector (HEAD1)4PCI-fan connector (FAN_PCI)
5left side-panel contact board 
connector (SIDE_L)6WiFi/Bluetooth connector 
(BLUETOOTH)
7power-LED board connector 
(BLINK)8wireless connector (WIRELESS)
9
10
12
11 1
234567
8
13 141516
18
21
20
19
17
book.book  Page 22  Wednesday, May 16, 2012  2:37 PM 
						

							Technical Overview23
Top Lighting-Board Components
9hard-drive LED connector 
(HDD_LED1)10hard-drive LED connector 
(HDD_LED2)
11USB connector (MB_USB)12main-power connector (PWR1)
13system-board lighting (MB_MIO)14hard-drive fan connector 
(FAN_HDD)
15right side-panel connector 
(SIDE_R)16ODD sensors (ODD_SW)
17ODD LED connector 
(ODD_LED)18front-default connector 
(FACTORY_DEFAULT)
19Debug connector (DEBUG)20graphics-temperature sensor 
connector (GFX_TEMP)
21graphics-pump connector (GFX_PUMP)
1System fan connector (SYS FAN)2CPU fan connector (CPU FAN)
3Temperature sensor connector 
(TEMP SENSOR)4Memory fan connector 
(MEM FAN)
5CPU pump connector (CPU PUMP)
12
345
book.book  Page 23  Wednesday, May 16, 2012  2:37 PM 
						

							24Technical Overview
book.book  Page 24  Wednesday, May 16, 2012  2:37 PM 
						

							Left Side-Panel25
2
Left Side-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.
 
CAUTION: Ensure that sufficient space exists to support the computer with the 
computer cover removed—at least 30 cm (1 ft.) of desk top space.
Removing the Left Side-Panel
 NOTE: Ensure that you remove the security cable from the security cable slot (if 
applicable).
1Slide the security-cable slot latch to the unlocked position.
2Lift the release panel to open the left side-panel.
3Pull and lift the left side-panel away from the chassis.
 NOTE: Theater lighting (available only in ALX chassis) turns on automatically when 
the left side-panel is removed.
book.book  Page 25  Wednesday, May 16, 2012  2:37 PM 
						

							26Left Side-Panel
1 release panel 2 security-cable slot
3 security-cable slot latch 4 left side-panel
1
2
3
4
book.book  Page 26  Wednesday, May 16, 2012  2:37 PM 
						

							Left Side-Panel27
Replacing the Left Side-Panel
1Align the tabs on the left side-panel with the slots on the left side of the 
computer and push the panel to lock it in place.
2Slide the security-cable slot latch to locked position.
3Follow the steps in After Working Inside Your Computer on page 15.
book.book  Page 27  Wednesday, May 16, 2012  2:37 PM 
						

							28Left Side-Panel
book.book  Page 28  Wednesday, May 16, 2012  2:37 PM 
						

							Hard Drive(s)29
3
Hard Drive(s)
 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.
 
WARNING: If you remove the hard drive from the computer when the drive is hot, 
do not touch the metal housing of the hard drive.
 
CAUTION: To avoid data loss, do not remove the hard drive while the computer is 
on or in Sleep state.
 
CAUTION: Hard drives are extremely fragile. Exercise care when handling the 
hard drive.
Prerequisites
1Remove the left side-panel. See Removing the Left Side-Panel on 
page 25.
Removing the Hard Drive(s)
1Press the release tabs to release the hard drive assembly from the computer.
2Slide and remove the hard drive from the hard-drive cage.
 NOTE: Repeat steps 1 and 2 to remove any other installed hard drives.
book.book  Page 29  Wednesday, May 16, 2012  2:37 PM 
						

							30Hard Drive(s)
Replacing the Hard Drive(s)
1Slide the hard drive into the hard-drive cage until the release tabs snap 
into place.
Postrequisites
1Replace the left side-panel. See Replacing the Left Side-Panel on 
page 27.
1 release tabs (2) 2 hard-drive
3 hard-drive cage
12
3
book.book  Page 30  Wednesday, May 16, 2012  2:37 PM