2
A
A
X
X
4
4
B
B
R
R
-
-
U
U
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
W
W
h
h
a
a
t
t
’
’
s
s
i
i
n
n
t
t
h
h
i
i
s
s
m
m
a
a
n
n
u
u
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AX4BR-U
.......................................................................................................................................... 1
What’s in this manual ...................................................................................................................................................... 2
You Must Notice .............................................................................................................................................................. 8
Before You Start .............................................................................................................................................................. 9
Overview ....................................................................................................................................................................... 10
Feature Highlight........................................................................................................................................................... 11
Quick Installation Procedure ......................................................................................................................................... 14
Motherboard Map .......................................................................................................................................................... 15
Block Diagram............................................................................................................................................................... 16
Hardware Installation.................................................................................................................. 17
About “User Upgrade Optional” and “Manufacture Upgrade Optional”… ....................................................................... 18
JP14 Clear CMOS Data ................................................................................................................................................ 19
CPU Installation ............................................................................................................................................................ 20
CPU Jumper-less Design .............................................................................................................................................. 23
CPU and System Fan Connector (with H/W Monitoring) ............................................................................................... 24
DIMM Sockets ............................................................................................................................................................... 25
Front Panel Connector .................................................................................................................................................. 27
