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Front Panel Audio Control
When front panel headphones are
plugged in, the back panel audio output
is disabled. This is done through the FP
Audio header (JC2). If the front panel in-
terface card is not connected to the front
panel audio header, jumpers should be
installed on the header (JC2) pin pairs
1-2, 5-6, and 9-10. If these jumpers are
not installed, the back panel line out
connector will be disabled, and micro-
phone input Pin 1 will be left fl oating,
which can lead to excessive back panel
microphone noise and cross talk. See
the table at right for pin defi nitions.
FAN6
FAN5
JPW1
JPW3
DIMM1A
DIMM1B
DIMM2A
DIMM2B
DIMM3A
DIMM3B
JPL2
LAN
CTRL
JPL1
LAN
CTRL
SLOT7 SIMLP IPMI
Audio CTRL
A
SLOT6 PCI-E X16
JC2
SLOT5 PCI 33MHz
CD1
SLOT4 PCI-E X4 (in X16 slot)
JI2C4
JI2C1
JPF
JI2C2
JI2C3
SLOT3 PCI 33MHz
S I/O
T-SGPIO1
SLOT2 PCI-X 133/100MHz
SLOT1 PCI-X 133/100MHz
FLOPPY
IDE1
J6
J3P1
FAN7
DIMM1-1
DIMM0-1
DIMM1-2
CPU1
DIMM0-2
DIMM1-3
DIMM0-3
Intel
5100
MCH
CPU2
JBT1
I-button
Intel
ITE
ICH9R
CTRL
Battery
LES1
LES2
T-SGPIO2
JPS1
SAS
PXH-V
CTRL
BIOS
JP1
USB8
USB9
USB6/7
USB4/5
J5
JL1
JWOR1
2-25
Chapter 2: Installation
HD Front Panel Audio
Pin Defi nitions
Pin#
Signal
1
MIC_L
2
AUD_GND
3
MIC_R
4
FP_Audio-Detect
5
Line_2_R
6
Ground
7
FP_Jack-Detect
8
Key
9
Line_2_L
10
Ground
A. FP Audio
JAR
JP3
JPW2
LE1
JF1
SP1
I-SATA0
I-SATA1
I-SATA2
I-SATA3
I-SATA4
I-SATA5
JWD1
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