A
A
X
X
4
4
C
C
M
M
a
a
x
x
I
I
I
I
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
E
E
x
x
t
t
e
e
r
r
n
n
a
a
l
l
C
C
o
o
n
n
t
t
r
r
o
o
l
l
l
l
e
e
r
r
f
f
o
o
r
r
D
D
I
I
E
E
-
-
H
H
A
A
R
R
D
D
B
B
I
I
O
O
S
S
(
(
U
U
s
s
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
)
)
External Controller
provides you a better and convenience way to switch the BIOS status between “
Rescue
” and “
Normal
”
without opening the case of your computer. You have to plug the jumper cable to the connector pin (
JP30
) on the motherboard.
Be careful of the orientation when you connect, the red wire should correspond to Pin1.
Normal
Flash ROM
To / From CPU
Manual Switch
Rescue ROM
Read/Write
Read Only
Note:
If you suspect your BIOS is infected by virus, just rescue your bios by following steps:
66
