Dell Dimension XPS R Series, Service Manual

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1-18 Dell Dimension XPS R xxx Systems Service Manual
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Microprocessor type . . . . . . . . . . Intel Pentium II microprocessor that runs at
350 MHz internally/100 MHz externally or
at 400 MHz internally/100 MHz externally.
A slower compatibility speed can be set
through the system setup program
.
L1 cache . . . . . . . . . . . . . . . . . . . 32-KB (16-KB data cache; 16-KB instruction
cache)
L2 cache . . . . . . . . . . . . . . . . . . . 512-KB pipelined write-back SRAM on the
SEC
Math coprocessor . . . . . . . . . . . . internal to microprocessor
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System chip set . . . . . . . . . . . . . . Intel 440BX AGPset
Data bus width . . . . . . . . . . . . . . 64 bits
Address bus width. . . . . . . . . . . . 32 bits
DMA channels . . . . . . . . . . . . . . . seven
Interrupt levels . . . . . . . . . . . . . . . 15
System BIOS chip . . . . . . . . . . . . 2 Mb (256 KB)
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Bus types. . . . . . . . . . . . . . . . . . . PCI (version 2.1), ISA, and AGP
Bus speed . . . . . . . . . . . . . . . . . . AGP: 66 MHz
PCI: 33 MHz
ISA: 8.33 MHz
AGP expansion-card
connectors . . . . . . . . . . . . . . . . . . one
AGP expansion-card
connector size . . . . . . . . . . . . . . . 120 pins
AGP expansion-card connector
data width (maximum). . . . . . . . . 32 bits
PCI expansion-card
connectors . . . . . . . . . . . . . . . . . . four (one shares a card-slot opening with an
ISA connector)
PCI expansion-card
connector size . . . . . . . . . . . . . . . 120 pins
PCI expansion-card connector data
width (maximum). . . . . . . . . . . . . 32 bits