Technical specifications, Technical specifications -34, Table 1-6 – Dell OptiPlex NX1 User Manual
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Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual
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Microprocessor type . . . . . .
Intel Pentium II microprocessor with MMX
technology
Microprocessor speed . . . . .
266, 333, 350, 400, or 450 MHz (the GX1p
is only available in 400 or 450 MHz)
External system clock . . . . .
66/100 MHz
Internal cache . . . . . . . . . . .
32-KB (16-KB data cache and 16-KB instruc-
tion cache)
Math coprocessor . . . . . . . .
internal to the microprocessor
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System chip set . . . . . . . . . .
Intel 440BX AGPSet chip set
Data bus width . . . . . . . . . .
64 bits
Address bus width. . . . . . . .
32 bits
DMA channels . . . . . . . . . . .
seven
Interrupt levels . . . . . . . . . . .
15
Flash EPROM (BIOS) . . . . . .
2 Mb
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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:
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)
OptiPlex NX1
computers . . . . . . . . . . .
one