Sony VPCB1190X User Manual page 48

Using Your VAIO Computer >
Using "Memory Stick"
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You can insert Duo-size "Memory Stick" directly into the "Memory Stick" slot without using a "Memory Stick Duo" adaptor.
!
Before using "Memory Stick Micro" ("M2"), be sure to insert it into an "M2" Standard-size adaptor or an "M2" Duo adaptor. If you insert the media directly
into the "Memory Stick" slot without the adaptor, you may not be able to remove it from the slot.
"Memory Stick Micro" in an "M2" Duo adaptor may not operate properly if it is additionally inserted into a "Memory Stick Duo" adaptor.
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