Dell Dimension XPS T___ User Manual download pdf (Page 29)

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Specifications: Dell™Dimension™XPST

xxx

and T

xxx

r Systems Reference

General •System Information •Expansion Bus •Memory •Drives •Ports •Video •Audio •Power •Physical •Environmental •Regulatory

Notices •IRQ Assignments •Default Dell-Installed Expansion Card Placements •DMA Assignments

General

Microprocessor type

Intel®Pentium®III microprocessor that runs at 100 MHz externally

Microprocessor speeds

450 MHz internal/100 MHz external

500 MHz internal/100 MHz external

550 MHz internal/100 MHz external

600 MHz internal/100 MHz external

650 MHz internal/100 MHz external

700 MHz internal/100 MHz external

750 MHz internal/100 MHz external

800 MHz internal/100 MHz external

850 MHz internal/100 MHz external

L1 cache

32 KB SRAM (16-KB data cache; 16-KB instruction cache)

L2 cache

Dimension XPS Txxx

512-KB pipelined write-back SRAM on a separate chip on the processor card.

The L2 cache runs at half the processor's internal clock speed.

Dimension XPS Txxxr

256-KB Advanced Transfer Cache that resides in the processor's core. The L2

cache runs at the processor's internal clock speed.

Microprocessor mounting

SECC2 package connected to the system board contains microprocessor and

cache circuitry

Math coprocessor

internal to microprocessor

System Information

System chip set

Intel 440BX AGPset

Data bus width

64 bits

Address bus width

32 bits

DMA channels

seven

Interrupt levels

System BIOS chip

4 Mb (512 KB)

System clock

100 MHz (matches external processor speed)

Diskette/communications ports

48 MHz from the system clock

Expansion Bus

Bus types

PCI (version 2.1), ISA, and AGP (version 1.0)

Bus speed

AGP: 66 or 133 MHz

PCI: 33 MHz

ISA: 8.33 MHz

AGP expansion-card connectors

one

AGP expansion-card connector size

124 pins

AGP expansion-card connector data width (maximum)

32 bits

PCI expansion-card connectors

four

Shared PCI/ISA expansion-card connector

one

PCI expansion-card connector size

120 pins

PCI expansion-card connector data width (maximum)

32 bits

ISA expansion-card connectors

one (shares a card-slot opening with a PCI connector)

ISA expansion-card connector size

98 pins

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Dell Dimension XPS T___ User Manual Page 29

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