Dell 4100, 200, 180 service manual DC Power Distribution Redundant System

DC Power Distribution (Redundant System)

Figures 1-17 provides information about DC power distribution for the redun- dant PowerEdge 4100 system.

					PWR1
	P1–5				BATV
		POK			PWRGOOD
		PSON#			PSON#
					+5 VFP
power		+5 VFP
		+5 VDC			+5 VDC
supply # 1		–5 VDC			–5 VDC
					+12 VDC
		+12 VDC
		–12 VDC			–12 VDC
		+3.3 VDC			+3.3 VDC
					PWR2
	P1–5
					+12 VDC
					+5 VDC
		PSON#			+3.3 VDC
					PWR3
power		+5 VFP
		+5 VDC			+12 VDC
supply # 2		–5 VDC
					+5 VDC
		+12 VDC
					+3.3 VDC
		–12 VDC			PWRSCSI
		+3.3 VDC
					(DDBP)
					+12 VDC
					+5 VDC
				PWRFD
				(FD1–4)
				+12 VDC
				+5 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.

system board	keyboard
	controller
power	battery
RTC/
management			PCI4
NVRAM		+3.3 VDC
logic			through
		+5 VDC
BATV			PCI8
		+12 VDC
PWRGOOD		–12 VDC
PSON#
+5 VFP
+5 VDC		+5 VDC	EISA1
–5 VDC		–5 VDC	through
+12 VDC		+12 VDC	EISA3
–12 VDC		–12 VDC
+3.3 VDC		battery (+3 VDC)
		+3.3 VDC	REMOTE
		+5 VFP
main memory		PWRGOOD
sockets	+5 VFP to SCSI backplane
		+12 VDC	FAN1
		+12 VDC	FAN2
DIMM A		+12 VDC	FAN3
through		fuse
DIMM H
	processor	+5 VDC	MOUSE
	core
+3.3 VDC	regulator (2)	+5 VDC	KEY-
			BOARD

core VCC (+2.1 to +3.5 VDC)

PROCESSOR 1		+1.5 VDC	GTL
and			regulator
PROCESSOR 2
	P6 signal terminators
	SCSI backplane		CD-ROM FLOPPY
	(six drive bays)

6 5 4 3 2 1

control panel

+5 VFP from SCSI backplane

			power-on
				speaker
	reset	on/off
			LED
3 X 6 LEDs

Figure 1-17.Power Distribution (Redundant System)

System Overview 1-19