Dell Dimension XPS T___ User Manual
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Specifications:
Dell™ Dimension™ XPS Txxx and Txxxr Systems Reference
Default Dell-Installed Expansion Card Placements
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
15
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