<s>
Sirius	O
Systems	O
Technology	O
was	O
a	O
personal	B-Device
computer	I-Device
manufacturer	O
in	O
Scotts	O
Valley	O
,	O
California	O
.	O
</s>
<s>
It	O
was	O
founded	O
in	O
1980	O
by	O
Chuck	O
Peddle	O
and	O
Chris	O
Fish	O
,	O
formerly	O
of	O
MOS	B-Architecture
Technology	I-Architecture
and	O
capitalized	O
by	O
Walter	O
Kidde	O
Inc	O
.	O
</s>
<s>
It	O
made	O
the	O
Victor/Sirius	O
series	O
of	O
personal	B-Device
computers	I-Device
.	O
</s>
<s>
Gabrielsson	O
signed	O
a	O
distribution	O
deal	O
with	O
Kyocera	O
,	O
which	O
began	O
to	O
supply	O
PC	B-Device
clones	O
to	O
Victor	O
.	O
</s>
<s>
The	O
Victor	B-Device
9000	I-Device
(	O
distributed	O
in	O
the	O
UK	O
by	O
British	O
company	O
Applied	O
Computer	O
Techniques	O
as	O
the	O
ACT	O
Sirius	O
1	O
,	O
and	O
in	O
Australia	O
by	O
Barson	O
Computers	O
as	O
the	O
Sirius	O
1	O
)	O
was	O
designed	O
by	O
Peddle	O
,	O
who	O
had	O
also	O
designed	O
the	O
first	O
Commodore	B-Device
PET	I-Device
.	O
</s>
<s>
The	O
Victor	O
9000/Sirius	O
1	O
ran	O
CP/M	B-Operating_System
-86	I-Operating_System
and	O
MS-DOS	B-Application
but	O
did	O
not	O
claim	O
to	O
be	O
IBM	O
PC	B-Device
compatible	O
.	O
</s>
<s>
One	O
striking	O
difference	O
between	O
it	O
and	O
other	O
machines	O
on	O
the	O
market	O
at	O
the	O
time	O
was	O
the	O
fact	O
that	O
the	O
disc	O
utilized	O
a	O
form	O
of	O
zoned	O
constant	O
linear	O
velocity	O
(	O
ZCLV	O
)	O
(	O
using	O
9	O
different	O
speed-zones	O
selected	O
out	O
of	O
15	O
supported	O
by	O
the	O
hardware	O
)	O
with	O
a	O
variant	O
of	O
zone	B-Architecture
bit	I-Architecture
recording	I-Architecture
(	O
ZBR	O
)	O
(	O
11	O
to	O
19	O
sectors	O
depending	O
on	O
zone	O
)	O
to	O
spun	O
at	O
different	O
speeds	O
according	O
to	O
where	O
the	O
data	O
was	O
stored	O
,	O
running	O
slower	O
towards	O
the	O
outer	O
edge	O
of	O
the	O
disc	O
in	O
such	O
a	O
way	O
that	O
bit	O
density	O
(	O
bits	O
per	O
cm	O
passing	O
the	O
head	O
)	O
,	O
rather	O
than	O
rotational	O
speed	O
,	O
was	O
approximately	O
constant	O
.	O
</s>
<s>
This	O
,	O
combined	O
with	O
group-coded	O
recording	O
(	O
GCR	O
)	O
,	O
allowed	O
standard	O
floppy	O
disks	O
to	O
hold	O
more	O
data	O
than	O
others	O
at	O
the	O
time	O
,	O
600KB	O
on	O
single	O
-	O
and	O
1.2MB	O
on	O
double-sided	O
floppies	O
compared	O
with	O
140	O
–	O
160KB	O
per	O
side	O
of	O
other	O
machines	O
such	O
as	O
the	O
Apple	B-Device
II	I-Device
and	O
early	O
IBMPC	O
,	O
but	O
disks	O
made	O
at	O
constant	O
bit	O
density	O
were	O
not	O
compatible	O
with	O
machines	O
with	O
standard	O
drives	O
.	O
</s>
<s>
The	O
Victor	B-Device
9000	I-Device
's	O
800x400	O
resolution	O
screen	O
(	O
based	O
on	O
a	O
Hitachi	B-General_Concept
46505	I-General_Concept
CRT	O
controller	O
chip	O
-	O
equivalent	O
to	O
a	O
Motorola	B-General_Concept
6845	I-General_Concept
)	O
,	O
896KB	O
of	O
memory	O
(	O
RAM	O
)	O
,	O
programmable	O
keyboard	O
and	O
character	O
set	O
were	O
also	O
far	O
ahead	O
of	O
the	O
competition	O
.	O
</s>
<s>
While	O
unsuccessful	O
in	O
North	O
America	O
,	O
Victor	B-Device
9000	I-Device
became	O
the	O
most	O
popular	O
16-bit	O
business	O
computer	O
in	O
Europe	O
,	O
especially	O
in	O
Britain	O
and	O
Germany	O
,	O
while	O
IBM	O
delayed	O
the	O
release	O
of	O
the	O
PC	B-Device
there	O
.	O
</s>
<s>
The	O
Victor	B-Device
9000	I-Device
was	O
also	O
distributed	O
in	O
the	O
UK	O
under	O
that	O
name	O
by	O
DRG	O
Business	O
Machines	O
in	O
Weston-super-Mare	O
,	O
who	O
dealt	O
with	O
Victor	O
Technologies	O
in	O
the	O
US	O
direct	O
.	O
</s>
<s>
BYTE	B-Application
called	O
the	O
Victor	B-Device
9000	I-Device
"	O
an	O
excellent	O
microcomputer	O
with	O
an	O
outstanding	O
array	O
of	O
standard	O
features	O
"	O
.	O
</s>
<s>
It	O
praised	O
the	O
high-quality	O
video	O
and	O
large	O
array	O
of	O
software	O
available	O
from	O
Victor	O
,	O
while	O
criticizing	O
the	O
high	O
price	O
of	O
peripherals	O
compared	O
to	O
the	O
many	O
third-party	O
options	O
on	O
the	O
IBM	O
PC	B-Device
.	O
</s>
