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The Memory Stick is a [[Sony]] proprietary format. There are many versions such as the Original Memory Stick, Memory Stick Duo, Memory Stick PRO, Memory Stick PRO Duo, Memory Stick PRO High Speed, Memory Stick PRO Duo High Speed and Memory Stick Micro (M2). | The Memory Stick is a [[Sony]] proprietary format. There are many versions such as the Original Memory Stick, Memory Stick Duo, Memory Stick PRO, Memory Stick PRO Duo, Memory Stick PRO High Speed, Memory Stick PRO Duo High Speed and Memory Stick Micro (M2). | ||
Note that only the Duo format is compatible with the [[PSP]]. The Micro M2 format can also be used via the use of a Duo sized | Note that only the Duo format is compatible with the [[PSP]]. The Micro M2 format can also be used via the use of a Duo sized adaptor. | ||
==Specification== | ==Specification== | ||
The Memory Stick PRO Duo is certainly the most used format in PSP usage. It runs at a 40 | The Memory Stick PRO Duo is certainly the most used format in PSP usage. It runs at a 40 Hz speed over a 4 Bit bus. It has a transfer speed is around 20 MB/s. | ||
The FAT file system is used to format cards between 32 MB and 2 GB. At 4 GB and larger sizes, the FAT32 file system is used. | The FAT file system is used to format cards between 32 MB and 2 GB. At 4 GB and larger sizes, the FAT32 file system is used. | ||
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All Memory Stick Duo cards equipped with MagicGate can be identified by a notch located on the rear end of the card. | All Memory Stick Duo cards equipped with MagicGate can be identified by a notch located on the rear end of the card. | ||
===File Structure=== | ===File Structure=== | ||
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Memory Stick is a [http://en.wikipedia.org/wiki/Trademark Trademark] exploited and developed by Sony but also produced by other manufacturer such as Sandisk or Lexar. | Memory Stick is a [http://en.wikipedia.org/wiki/Trademark Trademark] exploited and developed by Sony but also produced by other manufacturer such as Sandisk or Lexar. | ||
Here is a list for all PSP compatible Memory Stick. Because the standard Memory Stick and Memory Stick PRO is too large to fit the PSP, you won't find any of these here, but you should know that it does exist. The Micro's M2 Memory Stick can be used instead of PRO Duo Memory Stick but required an | Here is a list for all PSP compatible Memory Stick. Because the standard Memory Stick and Memory Stick PRO is too large to fit the PSP, you won't find any of these here, but you should know that it does exist. The Micro's M2 Memory Stick can be used instead of PRO Duo Memory Stick but required an adaptator. | ||
You can look if | You can look if your's is listed over here. But take care, the fact that it is don't guaranteed it is genuine. To insure, you can have a look to the [[fake memory stick]] article. If your Memory Stick isn't listed, don't panic, it don't mean it's a fake. Maybe it is a brand new card or a rare card who haven't been added to this list. After insure you that it does exist by having a look on [[Memory Stick#How to detect fake Memory Stick| How to detect Fake Memory Stick]] you can add it to the list below. | ||
===Sony=== | ===Sony=== | ||
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==Memory allocation== | ==Memory allocation== | ||
The 4 GB Memory Stick's is formatted in FAT32 by default. It seem that some experience shown that | The 4 GB Memory Stick's is formatted in FAT32 by default. It seem that some experience shown that formating them to FAT16 as the 2 GB would accelerate them. It seem that 2 GB isn't the highest capacity for FAT16. | ||