User`s manual

Chapter 2: Installation
2-23
BIOS
LICENSE
JTPM1
JPW2
JSD1
I-SATA4
I-SATA5
I-SATA2
I-SATA3 I-SATA1
I-SATA0
COM4 COM3
JL1
JBT1
JWOR1
JI2C1
JI2C2
JPW1
LED1
JWOL
JLED1
JAT1
JPT1
JPME2
JPAC1
SP1
FAN3
FAN2
FAN1
FAN4
JD1
(CPU FAN)
USB2.0-2/3
LAN
AUDIO FP
DIMM2A
HD AUDIO
USB4/5
USB8/9
USB3.0, 2.0-0/1
DIMM1B
DIMM1A
JF1
ALWAYS POPULATE BLUE SOCKET FIRST
UNB NON-ECC DDR3 DIMM REQUIRED
SLOT4 PCI-E 2.0 X4 (IN X16)
SLOT5 PCI 33MHz
SLOT6 PCI-E 2.0 X1
SLOT7 PCI-E 3.0 X16
COM1/2
VGA/DVI
USB10-13
USB3.0-2/3
DIMM2B
C7B75
JPW2
Fan Header
Pin Denitions
Pin# Denition
1 Ground (Black)
2 2.5A/+12V
(Red)
3 Tachometer
4 PWM_Control
Fan Headers (Fan 1 ~ Fan 4)
The C7B75 has four fan headers (Fan 1~Fan 4).
These fans are 4-pin fan headers. Although pins
1-3 of the fan headers are backward compatible
with the traditional 3-pin fans, we recommend
the use 4-pin fans to take advantage of the fan
speed control in the BIOS Hardware Monitoring
section. This allows the BIOS to automatically
adjust fan speeds based on the motherboard's
detected system temperature. Refer to the table
on the right for pin denitions.
A
B
A. Fan 1 (CPU Fan)
B. Fan 2
C. Fan 3
D. Fan 4
E. Chassis Intrusion
C
D
E
Chassis Intrusion (JL1)
A Chassis Intrusion header is located at JL1 on
the motherboard. Attach the appropriate cable
from the chassis to inform you of a chassis intru-
sion when the chassis is opened.
Chassis Intrusion
Pin Denitions (JL1)
Pin# Denition
1 Intrusion Input
2 Ground