Intel H55 Series
3.6 Additional USB Port Headers
The headers conform to USB 2.0/1.1 specification. Each USB header can provide two USB ports
via an optional USB bracket.
3.7Front Panel Audio
Pin No.
Header
1
PORT1L
2
AGND
3
PORT1R
4
PRESENCE#
5
PORT2R
6
SENSE1_RETURN
7
SENSE_SEND
8
No Pin
9
PORT2L
10
SENSE2_RETURN
HD Audio Definition
Microphone_Left
Ground
Microphone_Right
-ACZ_DET
Line2_Right
AuD_R_Return
FAUDIO_JD
N/A
Line2_Left
AuD_L_Return
Pin
Pin Assignment
1
VCC
3
Data 0-
5
Data 0+
7
Ground
9
No Pin
- 1 -
User's Manual
Pin
Pin Assignment
2
VCC
4
Data 0-
6
Data 0+
8
Ground
10
NC
AC97 Audio Definition
Microphone
Ground
MIC Power
N/A
Line out (R)
N/A
N/A
N/A
Line Out(L)
N/A