1-8 Dell OptiPlex GX1 and NX1 Documentation Update
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New OptiPlex GX1 and NX1 systems contain the system board shown in Figure 1-2.

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The OptiPlex GX1 and NX1 systems now offer the Intel® Pentium® II microprocessor

with an internal speed of 450 megahertz (MHz), an external speed of 100 MHz, and a

512-kilobyte (KB) level 2 (L2) cache.

SEC cartridg e connector
(SLOT1)
microprocess or
fan connector ( FAN)
microphon e j ack (MIC)
video
connector (MO N I TOR)
serial port 2
connector
(SERIAL2)
USB connectors
(USB) (2)
parallel/serial port 1
connectors ( stacked)
(PARALLEL/SERIAL1)
mouse/keybo ard
connectors ( stacked)
(MOUSE/KYBD)
audio line-in
jack (LINE-IN)
audio line-out
jack (LINE-OUT)
video-memory
upgrade socket
(VIDEO_UPGRADE)
control pane l
connector ( PANEL)
battery socket
(BATTE RY)
optional
integrated NIC
connector (ENET)
riser board connector
(RISER) system board jumpers
primary EIDE
interface connec to r
(IDE1) (pin-1 corner)
secondar y EI DE
interface connector
(IDE2) (pin-1 corner)
front of computer
diskette/tape d rive
interface connec to r
(DSKT) (pin-1 corner)
DIMM sockets (3)
(DIMM_A–DIMM_C)
main power input
connector (P OWER_1)
3.3-V powe r i np ut
connector ( POWER_2)
ATI multimedia
connector (AMC)
CD-in
connector (CD-IN)
telephony
connector
(TAPI)
chassis intrusi on
switch co nn ector