Dell Inspiron 4000 - Manual (Page 68)

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Specifications
Microprocessor
Microprocessor types Intel ® Mobile Pentium ® III
Intel Mobile Celeron™
Internal cache 256 KB
External bus frequency 100 MHz
Math coprocessor internal to the microprocessor
System Information
System chip set Intel Mobile 440BX PCI
Data bus width 64 bits
DRAM bus width 64 bits
Microprocessor address bus width 32 bits
PC Card
CardBus controller Texas Instruments PCI 1420 CardBus
controller
PC Card connectors two (supports two Type I or Type II cards or
one Type III card)
Cards supported 3.3 V and 5 V
PC Card connector size 68 pins
Data width (maximum) PCMCIA 16 bits
CardBus 32 bits
Memory
Architecture SDRAM
Memory module socket two user-accessible SODIMM sockets
Memory module capacities and type 64, 128, and 256 MB
Memory type 3.3-V SODIMM
Standard memory one 64-MB memory module