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This motherboard comes with a Promise Serial ATA (PDC20375) controller, aiming to provide you an
even faster transfer rate of 150 Mbytes/second. The traditional parallel ATA specification has defined
the standard storage interface for PCs with its original speed of just 3 Mbytes/second since the
protocol was introduced in the 1980s. And the latest generation of the interface, Ultra ATA-133, has
been developed further with a burst data transfer rate of 133 Mbytes/second. However, while ATA has enjoyed an illustrious
track record, the specification is now showing its age a
a 5-volt signaling requirement, high pin count, and serious cabling headaches.
T
he Serial ATA specification is designed to overcome these design limitations while enabling the storage interface to
the gr
owin
g me
dia rate dema ds of PC platforms. Seria ATA is to replace p
operating sy
ste
ms a
nd drivers, adding per
requirements
an
d can
be imple
o
r
t
e
d
o
r
t
e
d
nd imposes some serious design issues on today's developers, including
n
forman
ce he
men
ted with thi
n and e
asy to
l
arallel ATA with the compatibility with existing
adroom for years to come.
route cables.
Serial
41
O
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l
i
n
e
M
O
n
l
i
n
e
M
It reduces voltage and pins count
ATA Controller
Serial ATA Connectors
a
n
u
a
l
a
n
u
a
l
scale with
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