Dell Studio XPS 1645 (Late 2009) User Manual

Page 65

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Basic Specifications

Computer Information
System chipset

Studio XPS 1640

Intel PM45

Studio XPS

1645/1647

Intel PM55

Data bus width

64 bits

DRAM bus width

dual channel (2)

64‑bit buses

Graphics bus

PCI‑E X16

PCI bus

32 bits

Processor address

bus width

32 bits

Flash EPROM

Studio XPS 1640

16 Mbit

Studio XPS

1645/1647

32 Mbit

Memory
Connectors

two internally‑

accessible SO‑DIMM

sockets

Capacities

512 MB, 1 GB, and 2 GB

Memory type

Studio XPS

1640/1647

1066 MHz DDR3

SO‑DIMM

Studio XPS 1645

1333 MHz DDR3

SO‑DIMM

Memory configuration possible

Studio XPS 1640

1 GB, 2 GB, 3 GB, and

4 GB

Studio XPS

1645/1647

1 GB, 2 GB, 3 GB, 4 GB,

and 8 GB

NOTE: For instructions on upgrading

your memory, see the Service Manual at
support.dell.com.