Dell 200, 4100, 180 service manual System Board Layout, System Board Components

System Board Layout

The subsections that follow provide service-related information about the system board components.

diskette/tape drive interface	Ultra/Narrow SCSI host adapter	Ultra/Wide SCSI host adapter
connector (FLOPPY)	connector (SCSI2 CD-ROM)	connector (BACKPLANE SCSI1)

EISA connectors

(EISA1 [top], EISA2,

and EISA3)

PCI connectors (PCI4 [top]–PCI8)

power supply connector (POWER2)

power supply connector (POWER1)

battery connector (BATTERY)

video connector (MONITOR)

server-management serial port connector (REMOTE)

parallel port connector

(PARALLEL)

serial port 2 connector

(SERIAL2)

serial port 1 connector (SERIAL1)

mouse connector (MOUSE)

keyboard connector (KEYBOARD)

front of system board

DIMM sockets

(DIMM A [top]–DIMM H)

fan connectors (FAN1, FAN2, FAN3)

speed and configuration

jumpers

primary microprocessor

socket (PROCESSOR1)

power supply connector (POWER3)

secondary microprocessor	server-management bus
socket (PROCESSOR2)	connector (SMB BACKPLANE)

Figure 1-18. System Board Components

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