86
A
A
X
X
4
4
T
T
I
I
I
I
-
-
1
1
3
3
3
3
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
M
M
R
R
(
(
A
A
u
u
d
d
i
i
o
o
/
/
M
M
o
o
d
d
e
e
m
m
R
R
i
i
s
s
e
e
r
r
)
)
The
CODEC
circuit of AC97 sound/modem solution can be put on motherboard or put on a riser card (AMR card) that connects
to motherboard through AMR connector.
A
A
O
O
p
p
e
e
n
n
B
B
o
o
n
n
u
u
s
s
P
P
a
a
c
c
k
k
C
C
D
D
A disc bundled with AOpen motherboard product; there are motherboard drivers, Acrobat Reader for
online manual and
other useful utilities.
A
A
P
P
M
M
(
(
A
A
d
d
v
v
a
a
n
n
c
c
e
e
d
d
P
P
o
o
w
w
e
e
r
r
M
M
a
a
n
n
a
a
g
g
e
e
m
m
e
e
n
n
t
t
)
)
Unlike
ACPI
, BIOS controls most APM power management functions. AOpen Suspend to Hard Drive is a good example of APM
power management.
A
A
T
T
A
A
(
(
A
A
T
T
A
A
t
t
t
t
a
a
c
c
h
h
m
m
e
e
n
n
t
t
)
)
ATA is the specification of diskette interface. In 80’s, many software and hardware manufacturers instituted the ATA specification
together. The AT is meaning International Business Machines Corporation (IBM) personal computer/AT’s bus structure.
A
A
T
T
A
A
/
/
6
6
6
6
ATA/66 uses both rising edge and falling edge but doubles
UDMA/33
transfer rate. The data transfer rate is 4 times of the PIO
mode 4 or DMA mode 2, 16.6MB/s x4 = 66MB/s. To use ATA/66, you need special ATA/66 IDE cable.
