JETWAY MM91 Series User Manual page 20

SPK_LED (7-pin): PWR LED Header & Speaker Header
FP_USB1(9-pin): USB 2.0 Port Headers
PS2KBMS (6-pin): PS/2 Keyboard & Mouse Header
PWR LED-
VSB_LED
PWR LED+
Pin 1
Pin1
16
SPEAK-
NC
NC
SPEAK+
2
Pin 1