Pch 7791 – Acnodes PCH 7791 User Manual
Page 23
PCH 7791
17 inch Atom Fanless Panel PC
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1 2 . F _ PA N E L
(2 .0 M M 2 X 5 )
F ro n t pa n e l c o nn e c t o r
S ig n a l N a m e
P in #
P in #
S ig n a l N a m e
H D L E D +
1
2
P O W E R
L E D +
H D L E D -
3
4
P O W E R L E D -
G r o u n d
5
6
P W R B T N
R E S E T
7
8
G ro u n d
B U ZZ E R +
9
1 0
B U Z Z E R -
P IN 1 & 3 : Th e y a re u s e d to c o n n e c t h a r d d is k a c tiv ity L E D . T h e L E D b lin k s w h e n
r e a d in g o r w r itin g d a ta .
P IN 2 & 4 : Th e y a re u s e d t o c o n ne c t p o w e r L E D . W h e n th e s y s te m i s p o w e r e d o n
th e L E D is n o rm a l ly o n ; w h e n th e s y s te m is u n d e r S 4 /S 5 s ta te , th e L E D is off.
P IN 5 & 6 : T h e y a r e u s e d to c o n n e c t p o w e r s w itc h b u tto n . T h e tw o p in s a r e d is c
c o n d itio n . Yo u m a y s h o r t th e m te m p o r a r ily to r e a liz e s y s te m s ta r tu p & s h u td o w n o r a w a k e n th e s y s te m
fr o m s le e p s ta te .
P IN 7 & 8 : Th e y a re u s e d to c o n n e c t r e s e t b u tto n . T he tw o p in s a r e d is c o n n e c te d
c o n d itio n . Yo u m a y s h o r t th e m te m p o r a r ily to r e a liz e s y s te m r e s e t.
P IN 9 & 1 0 : Th e y a re u s e d to c o n n e c t a n e x te r n a l b u z z e r.
N o te :
W h e n c o n n e c tin g L E D s a n d b u z z e r, p a y s p e c ia l a tte n tio n to th e s ig n a l p o la ri ty.
M a k e s u re th a t th e c o nn e c to r p i n s h a v e a o n e - to - o ne c o r re s po n de n c e w ith c h a
c a u s e b o o t u p fa ilu r e .
1 3 . F _ A U D IO
(2 .0 M M 2 X 5 )
Fr o n t A u d io: A n o n b o a r d R E A LTEL A L C 6 6 2 C O D
h ig h - q u a lity a u d i o I/O p o r ts ; L in e O u t c a n b e c o n n e c te d to a h e a d p h o n e o r a m p
th e c o n ne c tio n o f e x te r n a l a u d io s o u r c e v i a a L in e in c a b le ; M ic is th e p o r t fo r m ic r o p h o n e in p u t a u d io .
S ig n a l N a m e
P i n #
P i n #
S ig n a l N a m e
F R O N T- O U T- L
1
2
L IN E IN _ R
A U D _ A G N D
3
4
A U D _ A G N D
F R O N T- O U T-
R
5
6
L IN E IN _ L
A U D _ A G N D
7
8
A U D _ A G N D
F R O N T- M IC 1
9
1 0
A U D _ A G N D
N o te :
T h e b o a r d o n ly s u p p o r ts m o n o m ic ro p h o n e in p u t.