21
(2) SPEAK1 (4-pin): Speaker Header
This 4-pin header connects to the case-mounted speaker. See the figure above.
SPEAK1
SPK
+
NC
NC
SPK
-
Pin 1
(3) PWR LED (3-pin): Power LED Header
The Power LED is light on while the system power is on. Connect the Power LED
from the system case to this pin header.
PWRLED
Pin 1
PW
R
L
E
D
+
PW
R
L
ED
-
PW
R
L
E
D
-