Memory Stick Duo; Memory Stick Versions And Compatibility - Sony Ericsson P900 White Paper

Memory Stick® Duo™
Memory Stick
®
Memory Stick provides a convenient way of adding storage and other functions to a wide range of devices.
The P900 supports Memory Stick
third the physical size of standard Memory Sticks. Memory Stick Duo starts at 8 MB and has a roadmap,
which foresees sizes up to 1Gbyte in the future. A 32 MB Memory Stick Duo is supplied with the P900 and
sizes up to 128 MB are supported.
A Memory Stick Duo can be plugged into any standard size Memory Stick slot using a Memory Stick Duo
Adaptor. The two types have full electrical and file system compatibility.
Physical and Electrical Properties
Memory Stick Duo is very space-efficient. It is 20mm wide, 1.6mm high and 31mm deep, giving a volume of
3
992 mm . Memory Stick Duo weighs 2 grams.
The electrical contact consists of 10 pins in a structure, which prevents direct touch, providing high contact
reliability. Current maximum transfer speed is 2.45 MB/second to read data and 1.8 MB/second when writing
data. An erasure prevention switch protects important content and data.

Memory Stick Versions and Compatibility

There are currently several versions of the Memory Stick Duo:

Memory Stick Duo

Available Sizes: 8, 16, 32 MB (standard), 64 and 128 MB (Magic Gate). Maximum size 128 MB
Hardware interface: Serial
Write protect switch: No
Colour: Violet (standard), white (Magic Gate)
File system: FAT16
Memory Stick Duo New
Available Sizes: 32, 64, 128 MB (Magic Gate). Maximum size 128 MB
Hardware interface: Serial, parallel
Write protect switch: No
Colour: Dark blue
File system: FAT 16
® ™
Duo
®
Duo™, a miniature version of the Memory Stick series which is just one
47
P900/P908 White Paper, December 2003
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