<s>
Intel	B-Architecture
Hub	I-Architecture
Architecture	I-Architecture
(	O
IHA	O
)	O
,	O
also	O
known	O
as	O
Accelerated	B-Architecture
Hub	I-Architecture
Architecture	I-Architecture
(	O
AHA	O
)	O
was	O
Intel	O
's	O
architecture	O
for	O
the	O
8xx	O
family	O
of	O
chipsets	B-Device
,	O
starting	O
in	O
1999	O
with	O
the	O
Intel	B-Device
810	I-Device
.	O
</s>
<s>
It	O
uses	O
a	O
memory	B-Device
controller	I-Device
hub	I-Device
(	O
MCH	O
)	O
that	O
is	O
connected	O
to	O
an	O
I/O	B-Device
controller	I-Device
hub	I-Device
(	O
ICH	O
)	O
via	O
a	O
266	O
MB/s	O
bus	O
.	O
</s>
<s>
The	O
MCH	O
chip	O
supports	O
memory	O
and	O
AGP	B-Architecture
(	O
replaced	O
by	O
PCI	B-Protocol
Express	O
in	O
9xx	O
series	O
chipsets	B-Device
)	O
,	O
while	O
the	O
ICH	O
chip	O
provides	O
connectivity	O
for	O
PCI	B-Protocol
(	O
revision	O
2.2	O
before	O
ICH5	O
series	O
and	O
revision	O
2.3	O
since	O
ICH5	O
series	O
)	O
,	O
USB	B-Protocol
(	O
version	O
1.1	O
before	O
ICH4	O
series	O
and	O
version	O
2.0	O
since	O
ICH4	O
series	O
)	O
,	O
sound	O
(	O
originally	O
AC'97	O
,	O
Azalia	O
added	O
in	O
ICH6	O
series	O
)	O
,	O
IDE	B-Protocol
hard	O
disks	O
(	O
supplemented	O
by	O
Serial	O
ATA	O
since	O
ICH5	O
series	O
,	O
fully	O
replaced	O
IDE	B-Protocol
since	O
ICH8	O
series	O
for	O
desktops	O
and	O
ICH9	O
series	O
for	O
notebooks	O
)	O
and	O
LAN	B-General_Concept
(	O
uncommonly	O
activated	O
on	O
desktop	O
motherboards	O
and	O
notebooks	O
,	O
usually	O
independent	O
LAN	B-General_Concept
controller	O
were	O
placed	O
instead	O
of	O
PHY	O
chip	O
)	O
.	O
</s>
<s>
Intel	O
claimed	O
that	O
,	O
because	O
of	O
the	O
high-speed	O
channel	O
between	O
the	O
sections	O
,	O
the	O
IHA	O
was	O
faster	O
than	O
the	O
earlier	O
northbridge/southbridge	O
design	O
,	O
which	O
hooked	O
all	O
low-speed	O
ports	O
to	O
the	O
PCI	B-Protocol
bus	I-Protocol
.	O
</s>
<s>
Intel	O
Hub	O
Interface	O
2.0	O
was	O
employed	O
in	O
Intel	O
's	O
line	O
of	O
E7xxx	O
server	O
chipsets	B-Device
.	O
</s>
<s>
IHA	O
is	O
now	O
considered	O
obsolete	O
and	O
no	O
longer	O
used	O
,	O
being	O
superseded	O
by	O
the	O
Direct	B-Architecture
Media	I-Architecture
Interface	I-Architecture
architecture	O
.	O
</s>
<s>
The	O
Platform	B-Device
Controller	I-Device
Hub	I-Device
(	O
PCH	O
)	O
providing	O
most	O
of	O
the	O
features	O
previously	O
seen	O
in	O
ICH	O
chips	O
while	O
moving	O
memory	O
,	O
graphics	O
and	O
PCI	B-Protocol
Express	O
controllers	O
to	O
the	O
CPU	O
,	O
introduced	O
with	O
the	O
Intel	B-Device
5	I-Device
Series	I-Device
chipsets	B-Device
in	O
2009	O
.	O
</s>
<s>
This	O
chipset	B-Device
architecture	O
is	O
still	O
used	O
in	O
desktops	O
,	O
in	O
some	O
notebooks	O
it	O
is	O
going	O
to	O
be	O
replaced	O
by	O
SoC	B-Architecture
processor	O
designs	O
.	O
</s>
