
48
A
A
X
X
4
4
G
G
P
P
r
r
o
o
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
C
C
N
N
R
R
(
(
C
C
o
o
m
m
m
m
u
u
n
n
i
i
c
c
a
a
t
t
i
i
o
o
n
n
a
a
n
n
d
d
N
N
e
e
t
t
w
w
o
o
r
r
k
k
R
R
i
i
s
s
e
e
r
r
)
)
E
E
x
x
p
p
a
a
n
n
s
s
i
i
o
o
n
n
S
S
l
l
o
o
t
t
o
m
m
m
m
u
u
n
n
i
i
c
c
a
a
t
t
i
i
o
o
n
n
a
a
n
n
d
d
N
N
e
e
t
t
w
w
o
o
r
r
k
k
R
R
i
i
s
s
e
e
r
r
)
)
E
E
x
x
p
p
a
a
n
n
s
s
i
i
o
o
n
n
S
S
l
l
o
o
t
t
CNR
CNR
is a riser card specification to replace the
AMR (Audio/Modem Riser)
that supports V.90 analo
orking. Owing to CPU computing power getting stronger, the digit
share CPU power. The analogy conversion (
CODEC
) circuit requires a
card. This motherboard implements sound CODEC on board, but re
at you can still use PCI modem card.
g modem, multi-channel
udio, and phone-line based netw
al processing job can be
mplemented in main chipset and
a
different and separate
which is put on CNR
serv
unction. Note th
i
c
e CNR slot for the
ircuit design,
option of modem f