Figure 1-30. Dc Power Distribution For The Optiplex Nx Computer - Dell OptiPlex GXa Service Manual
Dell optiplex gxa: user guide
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Also See for OptiPlex GXa:
- Service manual (142 pages) ,
- Reference and installation manual (117 pages) ,
- Documentation update (4 pages)
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PWRGOOD
PSON#
+5 VFP
computer
power supply
+5 VDC
+12 VDC
–12 VDC
+3.3 VDC
P3
internal
hard-disk drive
Figure 1-30. DC Power Distribution for the OptiPlex NX Computer
+3 VDC
power
management
and NIC logic
P1 POWER_1
PSON#
+5 VFP
+5 VDC
+12 VDC
–12 VDC
POWER_2
P2
main memory
sockets
DIMM_A
DIMM_B
DIMM_C
MICROPROCESSOR
+3.3 VDC
core VCC +2.1 to +3.5 VDC
system board
battery
RTC/
NVRAM
+3.3 VDC
+5 VDC
+12 VDC
–12 VDC
RISER
riser board
+12 VDC
FAN
+5 VFP
PANEL
+5 VDC
+5 VDC
USB
+5 VDC
KYBD
+5 VDC
MOUSE
processor
NOTE: +5VFP is routed to
core regulator
the integrated NIC logic on
the system board and to P1
on the riser board.
P1
+3.3 VDC
+5 VDC
PCI1
+12 VDC
–12 VDC
fuses (2)
System Overview
1-35
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