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System board connections
Refer to the following illustration and table to identify the system board connectors for your model.
Item
Label
(1)
PWRCPU
(2)
CPU_FAN
(3)
DIMM1
(4)
DIMM2
(5)
BAT
(6)
SATA1
(7)
SATA0
(8)
SATAPWR
18
Chapter 4 Removal and replacement procedures
Component
4-pin processor power
Processor fan
Memory module
Memory module
RTC battery
Any SATA device other than
the primary hard drive
Primary hard drive
Drive power
Item
Label
(9)
PWR
(10)
CLR_CMOS/
PSWD
(11)
M2_WIFI
(12)
PCI
(13)
X1PCIEXP1
(14)
X16PCIEXP
(15)
X1PCIEXP1
(16)
PROCESSOR
Component
Power supply
Clear system passwords
WLAN module
PCI expansion card
PCIe ×1 expansion card
PCIe ×16 expansion card
PCIe ×1 expansion card
Processor
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