Dell Latitude D820 - Manual (Page 79)

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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