beautypg.com

Installing the motherboard – Elitegroup ST945GM (V1.0) User Manual

Page 26

background image

20

Installing the Motherboard

SATA1/2: Serial ATA connectors

These connectors are use to support the new Serial ATA devices for the highest date transfer
rates (3.0 Gb/s), simpler disk drive cabling and easier PC assembly. It eliminates limitations
of the current Parallel ATA interface. But maintains register compatibility and software
compatibility with Parallel ATA.

SPKOUT1: External amplifier for internal speaker out

AUDIO1: Front Panel Audio header

This header allows the user to install auxiliary front-oriented microphone and line-out ports
for easier access.

2

GND

1394A2: IEEE 1394A header

Connect this header to any device with IEEE 1394a interface.

This header is an additional line-out header.

Pin

Signal Name

Function

1

MIC

2

GND

3

MIC_BIAS

4

VCC

5

EAROUTR

6

LOUTR

7

RSVD

8

Key

9

EAROUTL

10

LOUTL

Pin

Signal Name

Pin

Signal Name

Pin

Signal Name

Function

1

Ground

2

TX+

3

TX-

4

Ground

5

RX-

6

RX+

7

Ground

-

-

Pin

Signal Name

Pin

Signal Name

1

LOUTR-X

3

GND

4

LOUTL-X

Pin

Signal Name

Pin

Signal Name

Function

1

TPA1P

2

TPA1M

3

GND

4

GND

5

TPB1P

6

TPB1M

7

CPWR1

8

CPWR1

9

NC

10

GND

Pin

Signal Name

Pin

Signal Name