Dell 4100 Service Manual page 17

DC Power Distribution (Nonredundant System)
Figures 1-11 provides information about DC power distribution for the
nonredundant PowerEdge 4100 system.
P1–5
PSON#
+5 VFP
power
+5 VDC
supply # 1
–5 VDC
+12 VDC
–12 VDC
+3.3 VDC
power
connector
panel
NOTE: A server management cable
(16-pin) carries the +5 VFP from
the system board to the SCSI
backplane. The control panel cable
(30-pin) carries the +5 VFP from
the backplane to the control panel.
Figure 1-11. Power Distribution (Nonredundant System
P1
system board
NRLED
PWRGOOD
PSON#
+5 VFP
+5 VDC
–5 VDC
PWRGOOD
+12 VDC
PSON#
–12 VDC
+5 VFP
+3.3 VDC
+5 VDC
–5 VDC
P2
+12 VDC
+12 VDC
–12 VDC
+5 VDC
+3.3 VDC
+3.3 VDC
P3
+12 VDC
+5 VDC
+3.3 VDC
DDBP
+12 VDC
+5 VDC
FD1–4
+12 VDC
+5 VDC
PROCESSOR1
PROCESSOR2
6
3 X 6 LEDs
power
RTC/
management
NVRAM
logic
main memory
sockets
DIMM A
through
DIMM H
regulator (2)
+3.3 VDC
core VCC (+2.1 to +3.5 VDC)
+1.5 VDC
and
P6 signal terminators
SCSI backplane
(six drive bays)
5 4 3 2
control panel
+5 VFP from SCSI backplane
reset
)
keyboard
controller
battery
+3.3 VDC
+5 VDC
+12 VDC
–12 VDC
+5 VDC
–5 VDC
+12 VDC
–12 VDC
battery (+3 VDC)
+3.3 VDC
+5 VFP
PWRGOOD
+5 VFP to SCSI backplane
+12 VDC
+12 VDC
+12 VDC
fuse
+5 VDC
processor
core
+5 VDC
GTL
regulator
CD-ROM
1
power-on
on/off
LED
System Overview
PCI4
through
PCI8
EISA1
through
EISA3
REMOTE
FAN1
FAN2
FAN3
MOUSE
KEYBOARD
FLOPPY
speaker
1-15