Dell OptiPlex NX Service Manual - Page 48

Technical Specifications, Table 1-6.

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Technical Specifications z Table 1-6. Technical Specifications Microprocessor Microprocessor type Intel Pentium II microprocessor with MMX technology Microprocessor speed. . . . . . 233, 266, or 300 MHz External system clock. . . . . . 66 MHz Internal cache 32-KB (16-KB data cache and 16-KB instruction cache) Math coprocessor internal to the microprocessor System Information System chip set Intel 440LX chip set Data bus width 64 bits Address bus width 32 bits DMA channels seven Interrupt levels 15 Flash EPROM (BIOS) . . . . . 2 Mb Expansion Bus Bus types PCI and ISA (PCI bus complies with PCI Specification 2.1) Bus speeds PCI: 33 MHz; ISA: 8.33 MHz PCI expansion-card connectors: Net PC computers one Low-profile computers . . . two (one PCI connector and one ISA connector share an expansion-card slot) Midsize computers . . . . . three (one PCI connector and one ISA connector share an expansion-card slot) or five (two share expansion-card slots) Mini tower computers. . . . five (two PCI connectors share expansioncard slots with ISA connectors) 1-36 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual

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Dell OptiPlex GXa and OptiPlex NX Systems Service Manual
T
echnical Specifications
z
Table 1-6.
Technical Specifications
Microprocessor
Microprocessor type. . . . . . .
Intel Pentium II microprocessor with MMX
technology
Microprocessor speed. . . . . .
233, 266, or 300 MHz
External system clock. . . . . .
66 MHz
Internal cache . . . . . . . . . . . .
32-KB (16-KB data cache and 16-KB
instruction cache)
Math coprocessor . . . . . . . . .
internal to the microprocessor
System Information
System chip set. . . . . . . . . . .
Intel 440LX chip set
Data bus width . . . . . . . . . . .
64 bits
Address bus width . . . . . . . .
32 bits
DMA channels . . . . . . . . . . .
seven
Interrupt levels . . . . . . . . . . .
15
Flash EPROM (BIOS) . . . . .
2 Mb
Expansion Bus
Bus types . . . . . . . . . . . . . . .
PCI and ISA (PCI bus complies with PCI
Specification 2.1)
Bus speeds . . . . . . . . . . . . . .
PCI: 33 MHz; ISA: 8.33 MHz
PCI expansion-card
connectors:
Net PC computers . . . . . . .
one
Low-profile computers . . .
two (one PCI connector and one ISA
connector share an expansion-card slot)
Midsize computers . . . . .
three (one PCI connector and one ISA
connector share an expansion-card slot)
or
five (two share expansion-card slots)
Mini tower computers . . . .
five (two PCI connectors share expansion-
card slots with ISA connectors)