Specifications

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 Specifications
Dell™Latitude™D820User'sGuide

Processor
Processor type
Intel®Core™Duoprocessor
L1 cache
64 KB (internal)
L2 cache
2 MB (on die)
External bus frequency
533 or 667 MHz

SystemInformation
System chipset
Intel 945GM and 945PM
Data bus width
64 bits
DRAM bus width
64 bits
Processor address bus width
36 bits

PCCard
CardBus controller
O2Micro Oz601 CardBus controller
PC Card connector
one (supports one Type I or Type II card)
Cards supported
3.3 V and 5 V
PC Card connector size
80 pins
Data width (maximum)
PCMCIA 16 bits
CardBus 32 bits

SmartCard
Read/write capabilities
reads and writes to all ISO 7816 1/2/3/4
microprocessor cards (T=0, T=1)
Cards supported
3 V and 5 V
Program technology supported
Java cards
Interface speed
9600–115,200 BPS
EMV level
level 1 certified
WHQL certification
PC/SC
Compatibility
compatible within a PKI environment
Insert/eject cycles
certified for up to 100,000 cycles

Memory
Memory module connector
two user-accessible SODIMM sockets
Memory module capacities
256 MB, 512 MB, 1 GB, and 2 GB
Memory type
533/667 DDRII SDRAM
Minimum memory
256 MB
Maximum memory
4 GB

PortsandConnectors
Serial
9-pin connector; 16550C-compatible,
16-byte buffer connector
Video
15-hole connector
Audio
microphone miniconnector, stereo
headphones/speakers miniconnector
USB
four 4-pin USB 2.0-compliant connectors
Infrared sensor
sensor compatible with IrDA Standard 1.1 (Fast IR)
and IrDA Standard 1.0 (Slow IR)
Modem
RJ-11 support
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