Nvidia nForce4 Ultra User Manual page 16

Nvidia nforce4 ultra / nforce4 4x mainboard for amd socket am2 (940-pin) processor
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Introduction
Connectors
CFP
8
CIR
CSPK
SATA1
9
SATA2
SATA3
SATA4
10
THM-ST
(Optional)
11
CP80P
(Optional)
12
Figure
1
GND
B+
B-
A-
A+
GND
GND
Descriptions
CFP: Case Front Panel Connector
HD_LED
This LED indicates hard drive activity.
PWR_LED
Connects to the power indicator on the PC case.
RST
Connects to the RESET switch on the PC case.
PW_ON
Connects to the Power button on the PC case, to turn on
the system. To turn off the system, press the power
button for 4 seconds.
CIR: IR connector
For connection to an IrDA receiver unit.
CSPK: Speaker
Connects to the case's speaker for PC beeps.
SATA1 ~ SATA4: Four S-ATA II or S-ATA Connectors
These connectors enable you to connect Serial ATA HDDs
or optical drives type.
Thermo Stick:
Flexible thermometer to let you measure any temperature by
software. Ideal for monitoring VGA card, chipset or even disk
drives temperatures.
CP80P: Post Port Debug LED
Provides two-digit POST code to show why the system fail to
boot. Allows quick and easy optimization.
The LED will display the CPU temperature when you run the
bundled Thunder Probe software.

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