Dell 100-Mbps manual System Board Layout, Video Memory

System Board Layout

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

microphone jack (NIC-IN)

speaker-out jack (SPKR-OUT)

line-in jack (LINE-IN)

NIC	USB	serial port 2	keyboard/mouse
connector	connector	connector	connectors
(ENET)	(USB)	(SERIAL2)	(stacked)
			(KYBD/MOUSE)

serial port 1/parallel

port connectors (stacked)

(PARALLEL/SERIAL)

microprocessor fan connector (FAN)

battery socket (BATTERY)

riser board power connector (RSR PWR1)

riser board connector (RISER)

riser board power connector (RSR PWR2)

DIMM sockets (4)

main power input

connector (POWER1)

microprocessor socket

(MICROPROCESSOR)

3.3-V power

input connectors

(POWER2)

CD-ROM

connector (CD_IN)

secondary microprocessor card (or terminator

card) connector (2ND_CPU)

front of system unit			diskette/tape drive interface
			connector (DSKT)
primary EIDE	jumpers	control panel	secondary EIDE interface
interface connector (IDE1)		connector (PANEL)	connector (IDE2)

Figure 1-10. System Board Components

Video Memory

See the documentation from the video card manufacturer that came with your system for information on removing and replacing video-memory upgrade chips.

1-12 Dell OptiPlex GXpro Systems Service Manual