MS-7236 Mainboard

Front USB Connectors: JUSB1 / JUSB2

The mainboard provides two standard USB 2.0 pin headers JUSB1 & JUSB2. USB 2. 0 technology increases data transfer rate up to a maximum throughput of 480Mbps, which is 40 times faster than USB 1.1, and is ideal for connecting high-speed USB interface peripherals such as USB HDD, digital cameras, MP3 players, printers, modems and the like.

 

 

 

Pin Definition

 

9

1

PIN

SIGNAL

PIN

SIGNAL

10

2

 

 

 

 

JUSB1 / JUSB2

1

VCC

2

VCC

(USB 2.0/standard spec)

3

USB0-

4

USB1-

 

 

5

USB0+

6

USB1+

 

 

7

GND

8

GND

 

 

9

Key

10

USBOC

Important

Note that the pins of VCC and GND must be connected correctly, or it may cause some damage.

Front Panel Audio Connector: JAUD1

The JAUD1 front panel audio connector allows you to connect to the front panel audio and is compliant with Intel® Front Panel I/O Connectivity Design Guide.

9 1

10 2

JAUD1

 

 

Pin Definition

PIN

SIGNAL

DESCRIPTION

1

AUD_MIC

Front panel microphone input signal

2

AUD_GND

Ground used by analog audio circuits

3

AUD_MIC_BIAS

Microphonepower

4

AUD_VCC

Filtered +5V used by analog audio circuits

5

AUD_FPOUT_R

Right channel audio signal to front panel

6

AUD_RET_R

Right channel audio signal return from front panel

7

HP_ON

Reserved for future use to control headphone amplifier

8

KEY

No pin

9

AUD_FPOUT_L

Left channel audio signal to front panel

10

AUD_RET_L

Left channel audio signal return from front panel

Important

If you don’t want to connect to the front audio header, pins 5 & 6, 9 9 & 10 have to be jumpered in order to have signal output directed to the rear audio ports. Otherwise, the Line-Out connector on the 10 back panel will not function.

2-18

5

6

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Image 34
IBM G52-72361X2 manual Front USB Connectors JUSB1 / JUSB2, Front Panel Audio Connector JAUD1, Pin Definition