Dell 180, 4100, 200 service manual Ddbp

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

P1

NRLED

PWRGOOD

PSON#

+5 VFP

+5 VDC –5 VDC +12 VDC

–12 VDC

+3.3 VDC

P2

+12 VDC

+5 VDC

+3.3 VDC

P3

+12 VDC

+5 VDC

+3.3 VDC

DDBP

+12 VDC

+5 VDC

FD1–4

+12 VDC

+5 VDC

system board	keyboard
	controller
power	battery
RTC/
management			PCI4
NVRAM		+3.3 VDC
logic			through
		+5 VDC
			PCI8
PWRGOOD		+12 VDC
		–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	KEYBOARD

core VCC (+2.1 to +3.5 VDC)

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.

PROCESSOR1		+1.5 VDC	GTL
and			regulator
PROCESSOR2
	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 1-11. Power Distribution (Nonredundant System)

System Overview 1-15