Specifications – Dell Latitude C840 User Manual
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Specifications
Microprocessor
Microprocessor types
Intel® Mobile Pentium® 4
L1 cache
8 KB (internal)
L2 cache
512 KB
External bus frequency
400 MHz front-side bus
System Information
System chip set
Intel 845MP
Data bus width
128 bits
Microprocessor address bus width
32 bits
Flash EPROM
4 Mb
Graphics bus
32-bit AGP 4X
PCI bus
33 MHz
PC Card
CardBus controller
Texas Instruments PCI 4450/4451 CardBus controller
PC Card connector
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
PC2100 DDR
Memory module connectors
two user-accessible SODIMM sockets
Memory module capacities
64, 128, 256, and 512 MB
Memory type
DDR SDRAM
Standard memory
128 MB
Maximum memory
1024 MB
Memory clock speed
133 MHz; effective clock speed with DDR is doubled to
266 MHz
Ports and Connectors
Serial
9-pin connector; 16550C-compatible,
16-byte buffer connector
Parallel
25-hole connector; unidirectional, bidirectional, or
ECP
Video
15-hole VGA connector