<s>
Tiki-100	B-Device
was	O
a	O
desktop	O
home/personal	O
computer	O
manufactured	O
by	O
Tiki	O
Data	O
of	O
Oslo	O
,	O
Norway	O
.	O
</s>
<s>
The	O
computer	O
was	O
launched	O
in	O
the	O
spring	O
of	O
1984	O
under	O
the	O
original	O
name	O
Kontiki-100	O
,	O
and	O
was	O
first	O
and	O
foremost	O
intended	O
for	O
the	O
emerging	O
educational	O
sector	O
,	O
especially	O
for	O
primary	O
schools	O
.	O
</s>
<s>
Early	O
prototypes	O
had	O
4	O
KB	O
ROM	B-Device
,	O
and	O
the	O
'	O
100	O
 '	O
in	O
the	O
machine	O
's	O
name	O
was	O
based	O
on	O
the	O
total	O
KB	O
amount	O
of	O
memory	O
.	O
</s>
<s>
The	O
Tiki-100	B-Device
was	O
developed	O
as	O
a	O
direct	O
response	O
to	O
this	O
decision	O
,	O
and	O
was	O
as	O
such	O
greatly	O
influenced	O
by	O
the	O
specifications	O
laid	O
out	O
by	O
the	O
government	O
.	O
</s>
<s>
One	O
of	O
the	O
most	O
influential	O
of	O
these	O
specifications	O
was	O
compatibility	O
with	O
CP/M	B-Application
and	O
the	O
Z80	B-General_Concept
CPU	O
.	O
</s>
<s>
While	O
other	O
educational	O
computers	O
at	O
the	O
time	O
had	O
a	O
main	O
focus	O
on	O
BASIC	O
and	O
simple	O
computer-science	O
,	O
the	O
Tiki-100	B-Device
had	O
more	O
focus	O
on	O
being	O
a	O
tool	O
to	O
aid	O
in	O
education	O
and	O
everyday-life	O
situations	O
.	O
</s>
<s>
The	O
most	O
significant	O
changes	O
was	O
the	O
change	O
from	O
Siemens	O
keyboard	B-Device
switches	O
to	O
cheaper	O
Sasse	O
switches	O
,	O
along	O
with	O
the	O
re-arranging	O
of	O
the	O
analog	O
video	O
output	O
connection	O
.	O
</s>
<s>
Very	O
few	O
,	O
if	O
any	O
,	O
revision	O
A	O
or	O
B	O
Tiki-100	B-Device
computers	O
ever	O
hit	O
the	O
store	O
shelves	O
.	O
</s>
<s>
Tiki-100	B-Device
was	O
released	O
under	O
the	O
original	O
name	O
'	O
Kontiki-100	O
'	O
in	O
the	O
spring	O
of	O
1984	O
.	O
</s>
<s>
Thor	O
Heyerdahl	O
threatened	O
to	O
open	O
a	O
legal	O
case	O
on	O
the	O
use	O
of	O
the	O
Kontiki	B-Device
name	O
,	O
with	O
reference	O
to	O
the	O
name	O
of	O
his	O
famous	O
raft	O
.	O
</s>
<s>
The	O
name	O
was	O
changed	O
to	O
"	O
Tiki-100	B-Device
"	O
as	O
a	O
result	O
.	O
</s>
<s>
Around	O
the	O
same	O
time	O
,	O
Computerworld	O
magazine	O
claimed	O
the	O
operating	B-General_Concept
system	I-General_Concept
"	O
KP/M	O
"	O
was	O
a	O
direct	O
copy	O
of	O
CP/M	B-Application
,	O
due	O
to	O
KP/M	O
being	O
able	O
to	O
run	O
CP/M	B-Application
software	O
.	O
</s>
<s>
As	O
a	O
response	O
to	O
these	O
claims	O
,	O
KP/M	O
was	O
renamed	O
"	O
Tiko	O
"	O
to	O
avoid	O
direct	O
association	O
to	O
CP/M	B-Application
and	O
Digital	O
Research	O
.	O
</s>
<s>
Specifications	O
for	O
the	O
basic	O
Tiki-100	B-Device
model	O
:	O
</s>
<s>
CPU	O
:	O
Zilog	B-General_Concept
Z80	I-General_Concept
running	O
at	O
4MHz	O
.	O
</s>
<s>
Memory	O
:	O
64	O
KB	O
of	O
RAM	B-Architecture
(	O
main	O
memory	O
)	O
,	O
32	O
KB	O
of	O
graphical	O
memory	O
and	O
8	O
KB	O
of	O
ROM	B-Device
.	O
</s>
<s>
Graphics	O
:	O
PAL-compatible	O
,	O
based	O
on	O
discrete	O
TTL	B-General_Concept
components	O
.	O
</s>
<s>
Bitmap	B-Algorithm
graphics	I-Algorithm
with	O
a	O
256-color	O
palette	B-Data_Structure
,	O
supporting	O
3	O
different	O
resolutions	O
with	O
256x256x16	O
colours	O
,	O
512x256x4	O
colours	O
or	O
1024x256x2	O
simultaneous	O
colours	O
.	O
</s>
<s>
The	O
has	O
no	O
text-mode	O
as	O
it	O
used	O
bitmapped	B-Algorithm
graphics	I-Algorithm
only	O
.	O
</s>
<s>
A	O
harddisk	B-Device
controller	O
,	O
replacing	O
one	O
of	O
the	O
floppy	B-Device
disk	I-Device
stations	O
with	O
a	O
8MB	O
harddisk	B-Device
.	O
</s>
<s>
The	O
server	O
was	O
a	O
Tiki-100	B-Device
with	O
harddisk	B-Device
,	O
running	O
the	O
MP/M	B-Operating_System
operating	B-General_Concept
system	I-General_Concept
,	O
serving	O
up	O
to	O
3	O
different	O
printers	O
simultaneously	O
.	O
</s>
<s>
An	O
8/16	O
upgrade	O
was	O
possible	O
,	O
consisting	O
of	O
a	O
secondary	O
CPU	B-General_Concept
card	I-General_Concept
with	O
a	O
4MHz	O
8088	B-Device
processor	I-Device
.	O
</s>
<s>
With	O
this	O
upgrade	O
the	O
machine	O
is	O
capable	O
of	O
running	O
TIKOS( a	O
CP/M	B-Operating_System
-86	I-Operating_System
clone	O
)	O
and	O
MS-DOS	B-Application
2.11	O
,	O
with	O
RAM	B-Architecture
being	O
expanded	O
up	O
to	O
736	O
KB	O
.	O
</s>
<s>
Although	O
running	O
MS-DOS	B-Application
,	O
the	O
expansion	O
does	O
not	O
provide	O
PC-compatibility	O
.	O
</s>
<s>
When	O
programs	O
are	O
running	O
on	O
the	O
8088	B-Device
,	O
the	O
Z80	B-General_Concept
CPU	O
is	O
serving	O
as	O
an	O
I/O	O
processor	O
,	O
handling	O
disk	O
I/O	O
,	O
graphics	O
etc	O
.	O
</s>
<s>
Later	O
,	O
an	O
Intel	B-Device
8088	I-Device
based	O
IBM	O
PC	O
compatible	O
model	O
running	O
MS-DOS	B-Application
was	O
made	O
,	O
somewhat	O
confusingly	O
called	O
Tiki-100	B-Device
Rev	O
.	O
</s>
<s>
D	O
.	O
In	O
addition	O
to	O
being	O
PC-compatible	O
(	O
including	O
CGA-compatible	O
graphics	O
)	O
,	O
it	O
also	O
contained	O
a	O
Z80	B-General_Concept
processor	O
so	O
that	O
it	O
could	O
run	O
the	O
original	O
Tiki	B-Device
100	I-Device
software	O
,	O
although	O
with	O
a	O
slightly	O
reduced	O
graphics	O
specification	O
due	O
to	O
the	O
CGA	B-Device
.	O
</s>
<s>
The	O
two	O
processors	O
shared	O
the	O
same	O
bus	B-General_Concept
,	O
and	O
the	O
Z80	B-General_Concept
programs	O
still	O
ran	O
under	O
the	O
8088	B-Device
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
After	O
the	O
commercial	O
failure	O
of	O
the	O
Tiki-100	B-Device
rev	O
.	O
</s>
<s>
This	O
was	O
a	O
standard	O
IBM	O
PC-clone	O
,	O
with	O
imported	O
hardware	O
which	O
did	O
not	O
make	O
any	O
attempt	O
at	O
maintaining	O
backward-compatibility	O
with	O
the	O
Tiki-100	B-Device
.	O
</s>
