HP Desktop Pro A G2 Maintenance and Service Guide - Page 26

System board connections

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System board connections Refer to the following illustration and table to identify the system board connectors for your model. Item (1) (2) (3) (4) (5) (6) (7) (8) Label PWRCPU CPU_FAN DIMM1 DIMM2 BAT SATA1 SATA0 SATAPWR 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 (9) (10) (11) (12) (13) (14) (15) Label PWR M2_WIFI PCI X1PCIEXP1 X16PCIEXP CLR_CMOS/ PSWD PROCESSOR Component Power supply WLAN module PCI expansion card PCIe ×1 expansion card PCIe ×16 expansion card Clear system passwords Processor 18 Chapter 4 Removal and replacement procedures

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