Nvidia nForce4 Ultra User Manual page 15

Connectors
JCPU_FAN
1
JPWR_FAN
JSYS_FAN
2
FDD
3 IDE1
1
Primary IDE
IDE2
Secondary IDE 1
PW1
4
3 4
PW12
+12V +12V
Ground Ground
1 2
1
MIC_In
NC
Front Line-out-R
5
CFPA
Front Line-out-L
9
CD-IN
6
1
AUX-IN
1
CUSB3
7
CUSB4
CUSB5
Figure Descriptions
CPU / Power / Chassis Fan Power Connectors
JCPU_FAN:
Control Ground
Sense
JPWR_FAN:
+12V
JSYS_FAN:
Ground Sense
+12V
Floppy Drive Connector
1
Primary/Secondary IDE Connector
Connects to the IDE device, i.e. HDD and CD-ROM device.
PW1:
23 24
3.3V Ground
PW12:
+12V +5V
+12V +5V
The plugs of the power cables are designed to fit in only one
5VSB +5V
PW-OK -5V orientation.
Ground Ground
+5V Ground
Ground Ground
+5V PS-ON
Ground Ground
3.3V -12V
3.3V 3.3V
1 11
2
CFPA: Front Panel Audio Connector
GND
This connector is used only if the speaker and microphone needs
+5V
to be plugged at the front of the PC case. Otherwise, leave the
Rear Line-out-FR
jumpers at the default position.
Key
Rear Line-out-FL
10
CD-IN/AUX-IN: CD Audio-in connectors
CD_IN_Right
These connectors are used to receive audio from a CD-ROM
CD_Reference
drive, TV tuner or MPEG card.
CD_IN_Left
AUX_IN_Right
GND
AUX_IN_Left
CUSB3/CUSB4/CUSB5: Six USB2.0 header
This mainboard includes 6 additional onboard USB ports.
To use these additional USB ports, a USB bracket is required.
Please contact your retailer for details.
Connect the CPU fan to this connector.
Use this connector if you are installing an
additional fan in the unit.
The chassis fan will provide adequate
airflow throughout the chassis to prevent
overheating the CPU.
When using two IDE drives on the same
connector, one must be set to Master mode
and the other to Slave mode. Refer to your
disk drive user's manual for details.
24-pin ATX Power Connector
4-pin ATX12V Power Connector
The PW1 and PW12 Power Connector must
be used simultaneously.
Introduction
11