Intel Celeron Microprocessor - Dell OptiPlex E1 Service Manual

1-18 Dell OptiPlex E1 Managed PC Service Manual
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Microprocessor type . . . . . .
Microprocessor speed . . . . .
External system clock . . . . .
Internal cache . . . . . . . . . . .
Math coprocessor . . . . . . . .
System chip set . . . . . . . . . .
Data bus width . . . . . . . . . .
Address bus width. . . . . . . .
DMA channels . . . . . . . . . . .
Interrupt levels . . . . . . . . . . .
System clock . . . . . . . . . . . .
Flash EPROM (BIOS) . . . . . .
Bus types. . . . . . . . . . . . . . .
Bus speeds . . . . . . . . . . . . .
PCI expansion-card
connectors . . . . . . . . . . . . . .
ISA expansion-card
connectors . . . . . . . . . . . . . .
NIC. . . . . . . . . . . . . . . . . . . .
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Intel Celeron microprocessor

266 MHz
66 MHz
32 KB (16-KB data cache and 16-KB instruc-
tion cache)
internal to the microprocessor
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Intel 82440EX PCI/AGP/
PIIX4E 82371EB
64 bits
32 bits
eight
15
66 MHz (matches external processor
speed)
2 Mb
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PCI and ISA (PCI bus complies with PCI
Specification 2.1)
PCI: 33 MHz; ISA: 8.33 MHz
two (one PCI connector and one ISA con-
nector share an expansion-card slot)
two (one ISA connector and one PCI con-
nector share an expansion-card slot)
1,&
integrated 3Com PCI 3C905B-TX Wakeup
On LAN NIC, operating at 10 or 100 Mbps