20
A
A
X
X
4
4
P
P
E
E
M
M
a
a
x
x
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
A
A
b
b
o
o
u
u
t
t
“
“
M
M
a
a
n
n
u
u
f
f
a
a
c
c
t
t
u
u
r
r
e
e
r
r
U
U
p
p
g
g
r
r
a
a
d
d
e
e
O
O
p
p
t
t
i
i
o
o
n
n
a
a
l
l
”
”
a
a
n
n
d
d
“
“
U
U
s
s
e
e
r
r
U
U
p
p
g
g
r
r
a
a
d
d
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e
may find some of functions are called
ll AOpen motherboards include many
amazing and powerful features, in some situations, these powerful features are not used to every user. Hence, we changed
ome key feature
ed by
sers, we call the
call them
Manufacturer Up
de
“User Upgrade
Optional” compon
s,
O
O
p
p
t
t
i
i
o
o
n
n
a
a
l
l
”
”
…
…
When you read this online manual and start to assemble your computer system, you
“Manufacturer Upgrade Optional”, and some are called “User Upgrade Optional”. Though a
s
s as “Manufacturer Upgrade Optional” for you to choose. Some optional functions that can be upgrad
m “User Upgrade Optional”. As for those optional functions that can’t be upgraded by ourselves, we
u
“
gra
Optional”. If needed, you can contact our local distributors or resellers for purchasing
ent
and again you can visit AOpen official web site:
for more detail information.
