Dell OptiPlex E1 - Manual (Page 26)

1-18 Dell OptiPlex E1 Managed PC Service Manual
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Microprocessor type . . . . . . Intel Celeron microprocessor
Microprocessor speed . . . . . 266 MHz
External system clock . . . . . 66 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 82440EX PCI/AGP/
PIIX4E 82371EB
Data bus width . . . . . . . . . . 64 bits
Address bus width. . . . . . . . 32 bits
DMA channels . . . . . . . . . . . eight
Interrupt levels . . . . . . . . . . . 15
System clock . . . . . . . . . . . . 66 MHz (matches external processor
speed)
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 . . . . . . . . . . . . . .
two (one PCI connector and one ISA con-
nector share an expansion-card slot)
ISA expansion-card
connectors . . . . . . . . . . . . . .
two (one ISA connector and one PCI con-
nector share an expansion-card slot)
1,&
NIC. . . . . . . . . . . . . . . . . . . . integrated 3Com PCI 3C905B-TX Wakeup
On LAN NIC, operating at 10 or 100 Mbps