Table of Contents
Advertisement
A
X
4
L
/
A
X
4
L
-
N
A
X
4
L
/
A
X
4
L
-
N
IDE1 is also known as the primary channel and
make a total of four devices. In order to work tog
Slave mode. Either one can be the hard disk or the CDROM. The setting as master or slave mode depends on the jumper
your IDE device, so please refer to your hard disk and CDROM manual accordingly.
T
his mot
herboard
supports
m
odes. The
IDE b
us is 16-bit, which means every transfer is two
Mode
Clock Period
PIO mode 0
30ns
PIO mode 1
30ns
PIO mode 2
30ns
PIO mode 3
30ns
PIO mode 4
30ns
DMA mode 0
30ns
DMA mode 1
30ns
DMA mode 2
30ns
ATA 33
30ns
ATA 66
30ns
ATA100
20ns
Warning: The specification of the IDE cable is a maximum of 46cm (18 inches);
make sure your cable does not exceed this length.
IDE2 as the secondary channel. Each channel supports two IDE devices that
ether, the two devices on each channel must be set differently to Master and
ATA33
,
ATA66
or
ATA100
IDE devices. Following table lists the transfer rate of IDE PIO and DMA
Clock
Cycle Time
Count
20
600ns
13
383ns
8
240ns
6
180ns
4
120ns
16
480ns
5
150ns
4
120ns
4
120ns
2
60ns
2
40ns
bytes.
Data Transfer Rate
(1/600ns) x 2byte = 3.3MB/s
(1/383ns) x 2byte = 5.2MB/s
(1/24
0ns)
x 2byte = 8.
3MB/s
(1/180ns) x 2byte = 11.1MB/s
(1/120ns) x 2by
te = 16.6
MB/s
(1/480ns) x 2b
yte = 4.16MB/
(1/150ns) x 2byte = 13.3MB/s
(1/120ns) x 2byte = 16.6M
B/s
(1/120ns) x 2byte x2 = 33MB/s
(1/60ns) x 2byte x2 = 66MB/s
(1/40ns) x 2byte x2 = 100MB/s
38
O
n
l
i
n
e
M
O
n
l
i
n
e
M
Tip:
1.
For
better signal qual
it is
recommended to
th
e far end side d
to
master
follow
the
sequence
to install your
new
device. Please refer
s
to above diagram
2.
To
achieve
performance
DMA
33/66/100
disks, a special 80-wires
IDE cable for Ultra DMA
33/66/100 is required.
a
n
u
a
l
a
n
u
a
l
on
ity,
set
evice
mode
and
suggested
the
best
of
Ultra
hard
Advertisement
Table of Contents
