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Technical Specifications
System Information
Memory
Audio
PC Card
Smart Card
Display
Touchpad
Battery
Physical
NOTE:
Offerings may vary by region. For more information regarding the configuration of your computer, click Start® Help and Support and select the
option to view information about your computer.
System Information
Chipset
Data bus width
DRAM bus width
Processor address bus width
Flash EPROM
Graphics bus
PCI bus
Processor
Types
L1 cache
L2 cache
External bus frequency
Memory
Type
Speed
Connectors
Processor
Video
Communications
ExpressCard
Ports and Connectors
Keyboard
Fingerprint Reader (optional)
AC Adapter
Environmental
Mobile Intel PM55 Chipset
64 bits
dual-channel 64 bits
NOTE:
You must install memory in pairs for dual-
channel mode to work.
36 bits
SPI 32 Mbits
PCI-Express x16 Gen 2 capable
32 bits, 33 MHz
Intel Core i5-520M Dual Core
Intel Core i5-540M Dual Core
Intel Core i7-620M Dual Core
Intel Core i7-740QM Quad Core
Intel Core i7-840QM Quad Core
Intel Core i7-940XM Quad Core Extreme
32 KB instruction, 32 KB data cache per core
Intel Core i5-520M Dual Core — 3 MB
Intel Core i5-540M Dual Core — 3 MB
Intel Core i7-620M Dual Core — 4 MB
Intel Core i7-740QM Quad Core — 6 MB
Intel Core i7-840QM Quad Core — 8 MB
Intel Core i7-940XM Quad Core Extreme — 8 MB
1333 MHz
DDR3
1333 MHz or 1600 MHz
NOTE:
Intel Core i5/i7 dual-core processors support
1600 MHz and 1333 MHz memory modules, but the
memory will operate at 1067 MHz.
NOTE:
Intel Core i7-920XM Quad-Core processor
supports memory frequency up to 1600 MHz. All other
Core i7 Quad-Core processors support memory
frequency up to 1333 MHz only, even if memory
modules of higher frequency are installed.
four SODIMM connectors
NOTE:
Computers shipped with dual-core processors
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