<s>
The	O
Iyonix	B-Device
PC	I-Device
was	O
an	O
Acorn-clone	O
personal	B-Device
computer	I-Device
sold	O
by	O
Castle	O
Technology	O
and	O
Iyonix	B-Device
Ltd	O
between	O
2002	O
and	O
2008	O
.	O
</s>
<s>
According	O
to	O
news	O
site	O
Slashdot	O
,	O
it	O
was	O
the	O
first	O
personal	B-Device
computer	I-Device
to	O
use	O
Intel	O
's	O
XScale	B-Application
processor	B-General_Concept
.	O
</s>
<s>
The	O
Iyonix	B-Device
originated	O
as	O
a	O
secret	O
project	O
by	O
Pace	O
engineers	O
in	O
connection	O
with	O
development	O
of	O
set-top	O
boxes	O
(	O
STBs	O
)	O
,	O
and	O
has	O
been	O
noted	O
as	O
a	O
successor	O
to	O
the	O
.	O
</s>
<s>
Pace	O
had	O
a	O
licence	O
to	O
develop	O
RISCOS	B-Operating_System
Ltd	O
's	O
OS	O
sources	O
for	O
use	O
in	O
the	O
STB	O
market	O
.	O
</s>
<s>
The	O
Iyonix	B-Device
was	O
developed	O
under	O
the	O
code	O
name	O
Tungsten	O
and	O
uses	O
,	O
which	O
is	O
a	O
version	O
of	O
RISC	B-Operating_System
OS	I-Operating_System
that	O
supports	O
ARM	O
CPUs	O
with	O
32-bit	O
addressing	O
modes	O
.	O
</s>
<s>
Customers	O
were	O
occasionally	O
able	O
to	O
buy	O
the	O
computer	O
as	O
a	O
bare	B-Device
bones	I-Device
system	I-Device
for	O
self-assembly	O
.	O
</s>
<s>
After	O
speculation	O
on	O
the	O
usenet	B-Application
newsgroups	I-Application
,	O
a	O
website	O
for	O
the	O
hardware	O
was	O
spotted	O
in	O
mid	O
October	O
2002	O
.	O
</s>
<s>
Castle	O
ceased	O
production	O
of	O
the	O
Iyonix	B-Device
after	O
the	O
July	O
2006	O
introduction	O
in	O
the	O
UK	O
of	O
the	O
RoHS	O
Regulations	O
.	O
</s>
<s>
The	O
design	O
was	O
not	O
compliant	O
and	O
Castle	O
did	O
not	O
redesign	O
the	O
Iyonix	B-Device
.	O
</s>
<s>
Sales	O
continued	O
for	O
another	O
two	O
years	O
via	O
a	O
newly	O
established	O
company	O
,	O
Iyonix	B-Device
Ltd	O
,	O
which	O
enabled	O
Castle	O
itself	O
to	O
circumvent	O
the	O
regulations	O
.	O
</s>
<s>
On	O
25	O
September	O
2008	O
,	O
Castle	O
announced	O
that	O
production	O
of	O
the	O
Iyonix	B-Device
had	O
ceased	O
and	O
that	O
new	O
units	O
would	O
no	O
longer	O
be	O
available	O
to	O
order	O
.	O
</s>
<s>
RISC	B-Operating_System
OS	I-Operating_System
version	O
5	O
in	O
hardware	O
ROM	B-Device
module	O
,	O
using	O
32-bit	O
addressing	O
mode	O
.	O
</s>
<s>
It	O
was	O
the	O
first	O
time	O
substantial	O
changes	O
had	O
been	O
made	O
to	O
the	O
platform	O
since	O
the	O
release	O
of	O
the	O
Risc	B-Device
PC	I-Device
in	O
1994	O
.	O
</s>
<s>
All	O
interim	O
machines	O
had	O
been	O
built	O
on	O
the	O
ARM7500	O
system	B-Architecture
on	I-Architecture
a	I-Architecture
chip	I-Architecture
,	O
which	O
was	O
widely	O
regarded	O
as	O
a	O
single-chip	O
Risc	B-Device
PC	I-Device
.	O
</s>
<s>
(	O
It	O
incorporated	O
the	O
memory	O
controller	O
,	O
video	O
,	O
sound	O
,	O
IO	O
and	O
CPU	O
logic	O
of	O
a	O
Risc	B-Device
PC	I-Device
,	O
leaving	O
only	O
memory	O
and	O
disc	O
interfacing	O
to	O
be	O
added	O
.	O
)	O
</s>
<s>
The	O
presence	O
of	O
PCI	B-Protocol
and	O
USB	B-Protocol
capabilities	O
,	O
as	O
well	O
as	O
the	O
retained	O
"	O
podule	O
"	O
bus	O
,	O
attracted	O
comparisons	O
to	O
Acorn	O
's	O
aborted	O
Phoebe	B-Device
PC	I-Device
;	O
however	O
,	O
such	O
comparisons	O
should	O
be	O
tempered	O
with	O
Phoebe	B-Device
's	O
proposed	O
feature	O
set	O
,	O
which	O
retained	O
VIDC	O
and	O
26-bit	O
mode	O
,	O
and	O
although	O
Phoebe	B-Device
was	O
intended	O
to	O
be	O
capable	O
of	O
SMP	B-Operating_System
configurations	O
,	O
its	O
proposed	O
shipping	O
configuration	O
had	O
been	O
for	O
one	O
SA110	O
CPU	O
.	O
</s>
