JETWAY G03-NF9C-F Technical Manual page 29

(9) Speaker Header (4-pin): SPEAK
This 4-pin header connects to the case-mounted speaker. See the figure below.
(10) Power LED Header (3-pin): PWR LED
The Power LED is light on while the system power is on. Connect the Power LED
from the system case to this pin header.
(11) Front Panel Header (9-pin): JW-FP
Pin 1 SPEAK
JW FP
Pin 1
24
PWRLED
Pin 1