Samsung SH-M522C Manual page 8

Introduction
Rear
1. Two-pin digital audio output terminal for use with a sound a MPEG card supporting digital audio features.
2. Four-pin sound output terminal for use with a sound card. (refer to the sound card documentation for
further details)
3. Master/slave select terminal.
4. 40pin host E-IDE interface connector.
5. 4pin power terminal.
(A : +5V DC)
(B : +12V DC)