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Dell OptiPlex Gxi User Manual

Page 94

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A-2

Dell OptiPlex GXi Mini Tower Systems Reference and Installation Guide

Expansion Bus

Bus types. . . . . . . . . . . . . . . . . . . . . . . . . . . . PCI (version 2.1) and ISA

Bus speed:

PCI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 MHz

ISA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.25 MHz

PCI expansion-card connectors . . . . . . . . . . five (two PCI connectors share card-slot

openings with ISA connectors)

ISA

expansion-card

connectors. . . . . . . . . . . four (two ISA connectors share card-slot

openings with PCI connectors)

ISA expansion-card connector size. . . . . . . . 98 pins

ISA expansion-card connector data
width (maximum) . . . . . . . . . . . . . . . . . . . . . 16 bits

PCI expansion-card connector size. . . . . . . . 120 pins

PCI expansion-card connector data
width (maximum) . . . . . . . . . . . . . . . . . . . . . 32 bits

System Clock

System clock . . . . . . . . . . . . . . . . . . . . . . . . . 66 MHz (matches external processor speed)

Diskette/communications ports. . . . . . . . . . . 24 MHz from the system clock

Memory

Architecture . . . . . . . . . . . . . . . . . . . . . . . . . 64-bit (non-ECC) or 72-bit (ECC), non-

interleaved

DIMM sockets . . . . . . . . . . . . . . . . . . . . . . . four; gold contacts

DIMM capacities . . . . . . . . . . . . . . . . . . . . . 8- and 16-MB nonparity; 8-, 16-, 32-, 64-,

and 128-MB parity/ECC

Standard RAM . . . . . . . . . . . . . . . . . . . . . . . 16 MB

Table A-1. Technical Specifications (continued)

NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the
online
System User’s Guide.