Dell 4100 Service Manual page 21

DC Power Distribution (Redundant System)
Figures 1-17 provides information about DC power distribution for the redun-
dant PowerEdge 4100 system.
P1–5
POK
PSON#
+5 VFP
power
+5 VDC
supply # 1
–5 VDC
+12 VDC
–12 VDC
+3.3 VDC
P1–5
PSON#
+5 VFP
power
+5 VDC
supply # 2
–5 VDC
+12 VDC
–12 VDC
+3.3 VDC
power-supply
paralleling board
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 1-17. Power Distribution (Redundant System
PWR1
system board
BATV
PWRGOOD
PSON#
+5 VFP
+5 VDC
BATV
–5 VDC
PWRGOOD
+12 VDC
PSON#
–12 VDC
+5 VFP
+3.3 VDC
+5 VDC
–5 VDC
PWR2
+12 VDC
+12 VDC
–12 VDC
+5 VDC
+3.3 VDC
+3.3 VDC
PWR3
+12 VDC
+5 VDC
+3.3 VDC
PWRSCSI
(DDBP)
+12 VDC
+5 VDC
PWRFD
–
(FD1 4)
+12 VDC
+5 VDC
PROCESSOR 1
PROCESSOR 2
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
KEY-
BOARD
FLOPPY
speaker
1-19