Dell Alienware M11x (Early 2010) - Manual (Page 5)

COMPREHENSIVE SPECIFICATIONS
5
Processor and System Chipset
Processor
Intel Pentium™ Dual Core
Intel ® Core™2 Duo
L2 cache
Intel Pentium Dual Core
Intel Core2 Duo 2 MB
3 MB
Bus clock 200 MHz
System chipset Intel GS45
SDRAM bus width one or two 64-bit channels of DDR3 memory up to
800 MHz
Processor address bus width 32 bits
Processor data width 64 bits
BIOS EPROM 16 Mbit
Graphics bus PCIe x16 bus
PCI bus 32 bits