Dell OptiPlex GX1 - Using the System Setup Program; Entering the System Setup Program

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The OptiPlex GX1 systems contain advanced expansion subsystems that can
support a mixture of traditional ISA expansion cards (called
legacy
cards), Plug
and Play ISA expansion cards, and PCI expansion cards.
For non-Plug and Play operating system environments, an ISA Configuration
Utility (ICU) included with the computer provides a means of avoiding
resource conflicts. Chapter 3, “Using the ISA Configuration Utility,” in the
Ref-
erence and Installation Guide
describes the ICU and provides instructions for
using it to configure the computer.
In the Microsoft
®
Windows
®
95 operating system, the functions provided by
the ICU are handled by the Device Manager, which can be accessed by
double-clicking the System icon in the Control Panel. See your Windows 95
documentation for instructions on using the Device Manager to manage
resources and resolve conflicts.
serial port 1
connector
power supply
AC power receptacle
USB connectors (2)
keyboard
connector
video connector
expansion-card slot
hard-disk drive
NIC connector (optional)
EIDE cable
parallel port
connector
mouse
connector
serial port 2 connector
padlock ring
security
cable slot
security
access lock
DC power cable
expansion-card cage
chassis
intrusion
switch