Supermicro P4SGA+ User Manual download pdf (Page 35)

Chapter 2: Installation

2-11

CD Header (P4SGA/SGL)

There are two 4-pin CD headers

of different sizes on the

motherboard. These allow you to

use the onboard sound for audio

CD playback. Connect the audio

cable from your CD drive to the

header that fits your cable's con-

nector. Only one CD header can

be use at any one time. See the

tables on the right for pin defini-

tions.

Overheat LED (JOH1)

Connect an LED to the JOH1

header to provide warning of

chassis overheating. See the

table on the right for pin defini-

tions.

Pin

Number

1

2

Definition

+5V

OH Active

Overheat LED

Pin Definitions (JOH1)

Chassis Intrusion

The Chassis Intrusion header is

designated JL1. See the board

layout in Chapter 1 for the location

of JL1 and the table on the right

for pin definitions.

Pin

Number

1

2

Definition

Intrusion Input

Ground

Chassis Intrusion

Pin Definitions (JL1)

Fan Headers

There are three fan headers on

the P4SGA/P4SGL, which are

designated CPU Fan, Chassis Fan

1 and Chassis Fan 2. The P4SGR/

P4SGE also has an Overheat Fan.

Connect the fan on your CPU

heatsink to the CPU Fan header.

See the table on the right for pin

definitions.

Fan Header Pin Definitions

(CPU, Chassis and Overheat)

Pin

Number

1

2

3

Definition

Ground (black)

+12V (red)

Tachometer

Caution: These fan headers are DC power.

Audio CD Header Pin Definitions

(CD2)

Pin

Number

1

2

3

4

Definition

Right Stereo Signal

Ground

Ground

Left Stereo Signal

Audio CD Header Pin Definitions

(CD1)

Pin

Number

1

2

3

4

Definition

Left Stereo Signal

Ground

Ground

Right Stereo Signal

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 92 93

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