Dell OptiPlex GXi Reference and Installation Guide (.pdf) - Page 100

Table A-1., Technical Specifications, Expansion Bus, System Clocks, Memory

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Table A-1. Technical Specifications (Continued) Expansion Bus Bus types PCI (version 2.1) and ISA Bus speed PCI: 33 MHz ISA: 8.25 MHz PCI expansion-card connectors two (one PCI connector shares a card-slot opening with an ISA connector) ISA expansion-card connectors two (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 Clocks 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 support provided with parity/ECC DIMMs Standard RAM 16 MB NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the online System User's Guide. A-2 Dell OptiPlex GXi Low-Profile Systems Reference and Installation Guide

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A
-
2
Dell OptiPlex GX
i
Low-Profile S
ystems
Reference and Installation
Guide
Expansion Bus
Bus types
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
PCI
(version 2.1)
and ISA
Bus speed
. . . . . . . . . . . . . . . . . . . . . . . . . . .
PCI:
33 M
H
z
I
SA:
8.
25 M
H
z
PCI expansion-card connectors
. . . . . . . . . .
two (one P
CI
connector
s
hare
s
a
card-slot
opening
w
i
th an I
SA
c
onnector
)
ISA
expansion-card
connectors
. . . . . . . . . . .
two (one I
SA connector
s
hare
s
a
card-slot
opening
w
ith
a P
CI
c
onnector
)
ISA expansion-
card c
onnector size
. . . . . . . .
9
8 pins
ISA expansion-card connector data width
(maximum)
. . . . . . . . . . . . . . . . . . . . . . . . . .
16 bits
PCI expansion-
card c
onnector size
. . . . . . . .
1
20 pins
PCI expansion-card connector data width
(maximum)
. . . . . . . . . . . . . . . . . . . . . . . . . .
32 bits
System Clocks
System clock
. . . . . . . . . . . . . . . . . . . . . . . . .
6
6 MHz (matches external processor speed)
Diskette/communication
s p
orts
. . . . . . . . . . .
2
4 MHz from the system clock
Memory
Architecture
. . . . . . . . . . . . . . . . . . . . . . . . .
64-bit
(non-ECC) or 72-bit (ECC), n
on-
interleaved
D
IMM sockets
. . . . . . . . . . . . . . . . . . . . . . .
four
,
gold c
ontacts
D
IMM capacities
. . . . . . . . . . . . . . . . . . . . .
8
-
, 16
-
, 32
-
, 64
-
, and 128
-M
B EDO; ECC
support 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.