I/O Board Components - Alienware Area-51 R2 Service Manual

7 PCI-Express x16 slot (SLOT3)
9 coin-cell battery socket (BAT1)
11 PCI-Express x4 slot (SLOT4)
13 PCI-Express x16 slot (SLOT5)
15 PCI-fan connector (SIDE_FAN1)
17 chassis heat-sensor connector
(SENSOR2)
19 PCI-Express fan 1 connector
(PCI_FAN1)
21 USB connector (USB1)
23 USB connector (USB3_MB1)
25 processor socket (CPU1)
27 memory-module slot (DIMM4)
29 memory fan connector
(TOP_FAN1)
31 processor liquid-cooling assembly
pump-fan connector
(PUMP_FAN1)
33 memory-module slot (DIMM1)

I/O Board Components

NOTE: The location of the connectors may vary based on the selections
you made at the time of purchase.
18
8 M.2 connector (wireless card)
10 CMOS reset jumper (CLEAR
CMOS1)
12 Thunderbolt connector (TBT1)
14 Serial Peripheral Interface
connector (SP11)
16 drive-bay heat-sensor
connector (SENSOR1)
18 PCI-Express power connector
(PCIE_PWR1)
20 SATA drive connectors
22 LED Power Switch (PANEL1)
24 Advanced Technology xTended
(ATX) power connector (ATX
PWR1)
26 memory-module slot (DIMM3)
28 processor liquid-cooling
assembly fan connector
(MID_FAN1)
30 processor-power connector
(CPU PWR1)
32 memory-module slot (DIMM2)