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Dell OptiPlex Gxi User Manual

Page 106

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A-2

Dell OptiPlex GX

i Midsize 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 . . . . . . . . . . three (one PCI connector shares a card-slot

opening with an ISA connector)

ISA

expansion-card

connectors. . . . . . . . . . . three (one ISA connector shares a card-slot

opening with a PCI connector)

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, 16, 32, 64, and 128 MB, EDO; ECC sup-

port provided with parity/ECC DIMMs

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.