<s>
Mpact-2	O
is	O
a	O
125MHz	O
vector-processing	O
graphics	O
,	O
audio	O
and	O
video	O
media	B-General_Concept
processor	I-General_Concept
,	O
a	O
second	O
generation	O
in	O
the	O
Mpact	O
family	O
of	O
Chromatic	O
Research	O
media	B-General_Concept
processors	I-General_Concept
,	O
which	O
can	O
be	O
used	O
only	O
as	O
a	O
co-processor	B-General_Concept
to	O
the	O
main	O
Central	B-General_Concept
Processing	I-General_Concept
Unit	I-General_Concept
(	O
CPU	B-Device
)	O
of	O
a	O
microcomputer	B-Architecture
.	O
</s>
<s>
Hardware	O
using	O
the	O
Mpact-2	O
uses	O
OEM	O
firmware	B-Application
to	O
provide	O
plug-and-play	B-Device
facility	O
,	O
and	O
may	O
be	O
used	O
with	O
either	O
a	O
PCI	B-Protocol
or	O
AGP	B-Architecture
bus	B-General_Concept
.	O
</s>
<s>
The	O
UAD-1	B-General_Concept
was	O
a	O
digital	B-Architecture
signal	I-Architecture
processor	I-Architecture
(	O
DSP	O
)	O
card	O
using	O
the	O
Mpact-2	O
sold	O
by	O
Universal	O
Audio	O
(	O
acquired	O
by	O
ATI	O
Technologies	O
in	O
November	O
1998	O
)	O
,	O
which	O
uses	O
the	O
DSP	O
,	O
rather	O
than	O
the	O
host	O
computer	O
's	O
CPU	B-Device
,	O
to	O
process	O
audio	B-Application
plug-ins	I-Application
.	O
</s>
<s>
This	O
allows	O
accurate	O
,	O
but	O
processor-intensive	O
,	O
reverbs	O
,	O
EQs	O
,	O
compressors	O
and	O
limiters	O
to	O
be	O
handled	O
in	O
real	O
time	O
and	O
without	O
burdening	O
the	O
CPU	B-Device
.	O
</s>
<s>
The	O
UAD-1	B-General_Concept
was	O
superseded	O
by	O
the	O
UAD-2	O
,	O
based	O
on	O
the	O
Analog	O
Devices	O
21369	O
and	O
21469	O
DSPs	O
,	O
in	O
2009	O
.	O
</s>
<s>
UAD-1	B-General_Concept
hardware	O
was	O
produced	O
with	O
three	O
interfaces	O
:	O
PCI	B-Protocol
(	O
UAD-1	B-General_Concept
)	O
,	O
PCI	B-Protocol
Express	O
(	O
UAD-1e	O
)	O
,	O
and	O
ExpressCard	B-Device
(	O
UAD-Xpander	O
)	O
.	O
</s>
<s>
The	O
cards	O
were	O
offered	O
by	O
Chromatic	O
Research	O
(	O
formerly	O
named	O
Xenon	O
Microsystems	O
)	O
,	O
and	O
were	O
part	O
of	O
the	O
Chromatic	O
Mpact	B-General_Concept
2	I-General_Concept
Video	O
Adapter	O
.	O
</s>
