Back to Contents PageSpecificationsDell™ Latitude™ D420 User's GuideProcessorProcessor type Intel® YonahL1 cache 32 KB (internal)L2 cache 2 MBExternal bus frequency 533System InformationSystem chipset Intel 945GMSData bus width 64 bitsDRAM bus width 64 bitsProcessor address bus width 32 bitsPC CardCardBus controller Ricoh R5C843PC Card connector 80-pinCards supported 3.3 V and 5 V PC Cards1.5 V ExpressCards (with adapter)PC Card connector size 68 pinsData width (maximum) PCMCIA 16 bitsCardBus 32 bitsMemoryMemory module connector one user-accessible DIMM socketMemory module capacities 512 MB and 1 GBMemory type 533 MHz DDRII SDRAMMinimum memory 512 MB (onboard memory)Maximum memory up to 1.5 GBPorts and ConnectorsVideo 15-hole connectorAudio microphone miniconnector, stereoheadphones/speakers miniconnectorUSB 2 4-pin USB 2.0-compliant connectorsPowered USB one 9-pin USB 2.0-compliant poweredInfrared sensor sensor compatible with IrDA Standard 1.1 (Fast IR)and IrDA Standard 1.0 (Slow IR)Modem RJ-11 supportIEEE 1394a 4-pin serial connectorNOTE: The D420 has been optimally designed to beused with the slim Media Base for docking. However,it is compatible with the D-Family D/Port and D/Dock.With the use of the D-Family D/Port and D/Dock, allports can be effectively utilized except for the 1394port. If the use of this port is required, it isrecommended that you utilize the Media Base as yourprimary docking device.Mini-Card two Type IIIA Mini-Card slotNetwork adapter RJ-45 portD-Dock connector standard docking connector for D/Dock, D/Port, orD420 Media Base