Supermicro C2SBC-Q User Manual download pdf (Page 38)

2-20

C2SBC-Q User's Manual

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 (J12). If the front

panel interface card is not connected to

the front panel audio header, jumpers

should be installed on the header

(J12) 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 microphone input Pin 1

will be left oating, which can lead to

excessive back panel microphone noise

and cross talk. See the table below for

pin denitions.

A. Front Panel Audio

B. PWR LED

Power LED

The Power LED connector is desig-

nated JLED. This connection is used

to provide LED Indication of power

supplied to the system. See the table

on the right for pin denitions.

PWR LED

PinDenitions

Pin# Denition

1 +5V

2 Key

3 Ground

FAN1

JI2C2

JWOR

JPL1

JF1

JWD

JLED

Battery

DIMM1A

DIMM2A

DIMM1B

DIMM2B

I-SATA2

I-SATA3

SPEAKER

COM1

KB/MOUSE

CPU Fan

VGA

USB

2/3/4/5

Audio

J41

LGA 775 CPU

Slot7 PCI-E x16

Slot6 PCI-33MHz

JPL2

Slot3 PCI-33MHz

Slot2 PCI-33MHz

JP2

Buzzer

Slot1 PCI-33MHz

JPUSB2

IDE

FP USB 8/9

FP USB 6/7

I-SATA4

I-SATA5

JL1

LE1

Intel Q35

Intel ICH9

Audio CTRL

CD-IN

COM4

Front Audio

W83627DHG

Printer

S I/O 1

IDE CTRL

ITE 8213

COM3

COM2

USB 10

USB 11

JWOL

I-SATA0

I-SATA1

FAN2

W83627DHG

S I/O 2

Fan3

JPUSB1

LAN 1

Slot5 PCI-E x4

Slot4 PCI-33MHz

JP5

JI2C1

JSMB

LAN 2 CTRL

LAN 1 CTRL

JBT1

USB

0/1

LAN 2

ATX Power

C2SBC-Q

A

B

FP Audio

PinDenitions

Pin# Den.

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

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 86 87

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