Samsung SGHA877 User Manual page 140

If this is your first time connecting the a877 to Windows
5.
Media Player you will need to enter a unique name for this
phone connection (ex: a877 Card). This assigns a name to
both the phone (when recognized) and to the internal
microSD card.
Click Finish to continue onto the application. You will then
6.
notice the Sync tab active and displaying a connection with
the phone and displaying the name you created.
136
Name for microSD storage card
From within the Windows Media Player application, click
7.
on the Sync tab. Available songs are then listed on the left
side of the application.
Note: This upper-right area also indicates the amount of free storage space
left on the internal microSD.