Biostar T-Series
TForce4 U 775
User’s Manual
3
Chapter 2: Hardware Installations
2.1
CPU
A
SSEMBLY
A. Central Processing Unit (CPU)
Special Notice:
Remove Pin Cap before installation, and make good preservation for future use.
When the CPU is removed, cover the Pin Cap on the empty socket to ensure pin legs
won’t be damaged.
pin cap
Step 1:
Pull the socket locking lever out from the socket and then raise the lever up to a
90-degree angle.
Step 2:
Look for the triangular cut edge on socket, and the golden dot on CPU should point
towards this triangular cut edge. The CPU will fit only in the correct orientation.
Step 2-1:
Step 2-2:
Step 3:
Hold the CPU down firmly, and then lower the lever to locked position to complete the
installation.
Step 4:
Put the CPU Fan and heatsink assembly on the CPU and buckle it on the
retention frame. Connect the CPU FAN power cable into the JCFAN1. This completes
the installation.
B. About FAN Headers
CPU FAN Power Header: JCFAN1
System Fan Power Headers: JSFAN2
North Bridge Fan Power Header: JNBFAN1
JCFAN1:
Pin
Assignment
1 Ground
2 +12V
3
FAN RPM rate
sense
4 Smart
Fan
Control
JNBFAN1 / JSFAN1,2
Pin
Assignment
1 Ground
2 +12V
JCFAN1
4
1
JSFAN2
1
3
JNBFAN1
3
1
JSFAN1
1
3
3
FAN RPM rate
sense
Note:
JCFAN
1
reserves system cooling fan with Smart Fan Control utilities. It supports 4 pin head
connector. When connecting with wires onto connectors, please note that the red wire is the
positive and should be connected to pin#2, and the black wire is Ground and should be
connected to GND.
