Dell OptiPlex NX1 - Manual (Page 45)

System Overview 1-33
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+5 VDC
+3.3 VDC
fuses (2)
core VCC +2.1 to +3.5 VDC
+3.3 VDC
power
management
and NIC logic
RTC/
NVRAM
+5 VDC
+5 VDC
+5 VDC
+5 VFP
+12 VDC
–12 VDC
+3 VDC
P2
+3.3 VDC
PWRGOOD
P1 POWER_1
PSON#
+5 VFP
+5 VDC
+12 VDC
–12 VDC
PSON#
+5 VFP
+5 VDC
+12 VDC
–12 VDC
P3
+12 VDC
+12 VDC
–12 VDC
system
power supply
battery
+3.3 VDC
+5 VDC
PCI1
MICROPROCESSOR
PANEL
KYBD
MOUSE
DIMM_A
main memory
sockets
FAN
RISER
riser board
system board
POWER_2
processor
core regulator
+5 VDC
USB
internal
hard-disk drive
P1
NOTE: +5 VFP is routed to
the integrated NIC logic on
the system board and to P1
on the riser board.
DIMM_B
DIMM_C