SUPER MICRO Computer I2DMR-8G2 user manual Fan Headers, Speaker Header, Wake-On-Ring

Chapter 2: Installation

Fan Headers

The i2DMR-8G2/i2DMR-iG2 has eight fan headers. See the table on the right for pin definitions.

Speaker Header

The Speaker header is located on CN4. See the table on the right for speaker pin definitions. Note: The speaker connector pins are for use with an external speaker. If you wish to use the onboard speaker, you should close pins 3, and 4 with a jumper to enable it.

Fan Header Pin Definitions

Pin
Number	Definition

1Ground (black)

2+12V (red)

3Tachometer

Caution: Fan headers are DC power.

CN4

4

3

Speaker

2

1

Wake-On-Ring

The Wake-On-Ring header is des- ignated JWOR(J6). This function allows your computer to receive and "wake-up" by an incoming call to the modem when in suspend state. See the table on the right for pin definitions. You must have

aWake-On-Ring card and cable to use this feature.

Wake-on-Ring

Pin Definitions

(JWOR-J6)

Pin

Number Definition

1Ground

2Wake-up

2-17