Connectors. Asus T2-R

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Connectors. Asus T2-R | Manualzz

4.4

Connectors

This section describes and illustrates the connectors on the motherboard.

See page 19 for the description of rear panel connectors.

1.

Front panel USB connector (10-1 pin USB56)

The USB56 header is connected to the USB_2 connector of the front panel I/O daughterboard.

USB56

10

5

6

1

®

P4R8T

P4R8T USB Port

2.

CPU and chassis fan connectors (3-pin CPU_FAN, CHA_FAN)

The fan connectors support the proprietary CPU fan and chassis fan.

Connect the fan cable to the connector matching the black wire to the ground pin.

52

CHA_FAN

GND

+12V

Rotation

CPU_FAN

Rotation

+12V

GND

®

P4R8T

P4R8T 12-Volt Cooling Fan Power

Do not forget to connect the fan cables to the fan connectors. Lack of sufficient air flow within the system may damage the motherboard components. These are not jumpers! DO NOT place jumper caps on the fan connectors!

Chapter 4: Motherboard info

3.

IDE connectors (40-1 pin PRI_IDE, SEC_IDE)

The PRI_IDE connector is for the UltraATA100 IDE hard disk ribbon cable. Connect the cable’s blue connector to the IDE connector, then connect the gray connector to a secondary master device (optical drive) and the black connector to the UltraATA100 primary master device (hard disk drive). Configure the hard disk drive and the optical drive as primary/secondary master device by adjusting their jumper settings. Refer to their respective documentation for details.

Pin 20 on the IDE connector is removed to match the covered hole on the UltraATA cable connector. This prevents incorrect orientation when you connect the cables.

For UltraATA133 IDE devices, use an 80-conductor IDE cable.

NOTE: Orient the red markings

(usually zigzag) on the IDE ribbon cable to PIN 1.

®

P4R8T

P4R8T IDE Connectors

PIN 1

4.

Internal audio connectors (4-pin AUX1, CD1)

These connectors allow you to receive stereo audio input from sound sources such as a CD-ROM, TV tuner, or MPEG card.

®

P4R8T

P4R8T Internal Audio Connectors

Left Audio Channel

Ground

Right Audio Channel

AUX(White) CD(Black)

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5.

Floppy disk drive connector (34-1 pin FLOPPY1)

This connector supports the provided floppy drive ribbon cable. After connecting one end to the motherboard, connect the other end to the floppy disk drive. (Pin 5 is removed to prevent incorrect insertion when using ribbon cables with pin 5 plug).

FLOPPY

54

®

P4R8T

P4R8T Floppy Disk Drive Connector

PIN 1

NOTE: Orient the red markings on the floppy ribbon cable to PIN 1.

6.

ATX power connectors (20-pin ATXPWR, 4-pin ATX12V)

These connectors are for the 20-pin and 4-pin power plugs from the power supply unit. The plugs from the power supply unit are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit.

See page 39 for details on the power supply unit.

ATXPWR

+12.0Volts

+5V Standby

Power Good

Ground

+5.0 Volts

Ground

+5.0 Volts

Ground

+3.3 Volts

+3.3 Volts

+5.0 Volts

+5.0 Volts

-5.0 Volts

Ground

Ground

Ground

Power Supply On

Ground

-12.0Volts

+3.3Volts

ATX12V

+12V DC COM

®

P4R8T

P4R8T ATX Power Connector

+12V DC COM

Chapter 4: Motherboard info

7.

Front panel audio connector (10-1 pin FP_AUDIO)

This interface is connected to the J1 connector in the front panel I/O daugtherboard to support the front panel audio I/O ports.

FP_AUDIO

®

P4R8T

P4R8T Front Panel Audio Connector

8.

Digital audio connector (4-1 pin SPDIF_OUT)

The SPDIF_OUT is connected to the SPDIF_OUT2 connector in the front panel I/O daughterboard to support the optical S/PDIF port.

SPDIF OUT

®

P4R8T

P4R8T Digital Audio Connector

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56

9.

I/O extension module (22-pin IOC_MB)

This connector is for the CGAEX extension module.

COM1

CGAEX

IOC_DC

®

GAME

®

P4R8T

P4R8T IOC_MB Connector

10. Optional modem connector (10-1 pin MDC)

This interface connects to the JP2 connector in the optional modem module.

®

P4R8T

P4R8T MDC Connector

MDC

GND

+3VSB

AC_RST#

AC_SDOUT

1

PHONE

AC_SYNC

AC_SDIN1

GND

MDC_BITCLK

Chapter 4: Motherboard info

11. System panel connector (8-1 pin PANEL)

This connector accommodates several system front panel functions.

IDE_LED

Power LED

PANEL

®

P4R8T

P4R8T System Panel Connector

ATX Power

Switch*

*

Requires an ATX power supply.

• Power LED Lead

This 2-pin connector connects to the system power LED. The LED lights up when you turn on the system power, and blinks when the system is in sleep mode.

• ATX Power Switch

This connector connects a switch that controls the system power.

Pressing the power switch turns the system between ON and SLEEP, or ON and SOFT OFF, depending on the BIOS or OS settings.

Pressing the power switch while in the ON mode for more than 4 seconds turns the system OFF.

• IDE LED Lead

This 2-pin connector supplies power to the hard disk drive activity

LED. The read or write activities of any device connected to the primary or secondary IDE connector cause this LED to light up.

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58 Chapter 4: Motherboard info

Chapter 5

This chapter tells how to change system settings through the BIOS

Setup menus and describes the

BIOS parameters.

ASUS Terminator 2 barebone system 59

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