<s>
The	O
initial	O
model	O
has	O
a	O
10	O
MHz	O
Motorola	B-Device
68000	I-Device
CPU	B-General_Concept
,	O
1	O
MB	O
of	O
RAM	B-Architecture
,	O
and	O
lacks	O
a	O
hard	B-Device
drive	I-Device
.	O
</s>
<s>
The	O
final	O
model	O
was	O
released	O
in	O
1993	O
with	O
a	O
25MHz	O
Motorola	B-Device
68030	I-Device
CPU	B-General_Concept
,	O
4	O
MB	O
of	O
RAM	B-Architecture
,	O
and	O
optional	O
80MB	O
SCSI	B-Architecture
hard	B-Device
drive	I-Device
.	O
</s>
<s>
RAM	B-Architecture
in	O
these	O
systems	O
is	O
expandable	O
to	O
12	O
MB	O
,	O
though	O
most	O
games	O
and	O
applications	O
do	O
not	O
require	O
more	O
than	O
2	O
MB	O
.	O
</s>
<s>
The	O
X68000	B-Device
has	O
graphics	O
hardware	B-Architecture
similar	O
to	O
arcade	B-Application
video	I-Application
games	I-Application
of	O
the	O
late-1980s	O
,	O
with	O
custom	O
coprocessors	O
supporting	O
scrolling	O
,	O
tiled	O
backgrounds	O
,	O
and	O
large	O
numbers	O
of	O
sprites	O
.	O
</s>
<s>
There	O
are	O
multiple	O
sound	O
chips	O
supporting	O
8	O
channels	O
of	O
FM	O
synthesis	O
;	O
2	O
channels	O
of	O
stereo	O
,	O
digital	O
audio	O
output	O
;	O
and	O
one	O
channel	O
of	O
pulse-code	B-Algorithm
modulation	I-Algorithm
audio	O
.	O
</s>
<s>
As	O
such	O
,	O
video	O
gaming	O
was	O
a	O
major	O
use	O
of	O
the	O
X68000	B-Device
.	O
</s>
<s>
The	O
X68k	B-Device
runs	O
an	O
operating	B-General_Concept
system	I-General_Concept
called	O
Human68k	O
which	O
was	O
developed	O
for	O
Sharp	O
by	O
Hudson	O
Soft	O
.	O
</s>
<s>
An	O
MS-DOS-workalike	O
,	O
Human68k	O
features	O
English-based	O
commands	O
very	O
similar	O
to	O
those	O
in	O
MS-DOS	B-Application
;	O
executable	O
files	O
have	O
the	O
extension	O
.X	O
.	O
</s>
<s>
Versions	O
of	O
the	O
OS	B-General_Concept
prior	O
to	O
2.0	O
have	O
command	B-Application
line	I-Application
output	O
only	O
for	O
common	O
utilities	O
like	O
"	O
format	O
"	O
and	O
"	O
switch	O
"	O
,	O
while	O
later	O
versions	O
included	O
forms-based	B-Application
versions	O
of	O
these	O
utilities	O
.	O
</s>
<s>
At	O
least	O
three	O
major	O
versions	O
of	O
the	O
OS	B-General_Concept
were	O
released	O
,	O
with	O
several	O
updates	O
in	O
between	O
.	O
</s>
<s>
Early	O
models	O
have	O
a	O
GUI	B-Application
called	O
"	O
VS	O
"	O
or	O
"	O
Visual	O
Shell	O
"	O
;	O
later	O
ones	O
were	O
originally	O
packaged	O
with	O
SX-WINDOW	B-Application
.	O
</s>
<s>
A	O
third	O
GUI	B-Application
called	O
Ko-Window	O
exists	O
with	O
an	O
interface	O
similar	O
to	O
Motif	B-Application
.	O
</s>
<s>
These	O
GUI	B-Application
shells	O
can	O
be	O
booted	O
from	O
floppy	B-Device
disk	I-Device
or	O
the	O
system	O
's	O
hard	B-Device
drive	I-Device
.	O
</s>
<s>
Most	O
games	O
also	O
boot	O
and	O
run	O
from	O
floppy	B-Device
disk	I-Device
;	O
some	O
are	O
hard	B-Device
disk	I-Device
installable	O
and	O
others	O
require	O
hard	B-Device
disk	I-Device
installation	O
.	O
</s>
<s>
Since	O
the	O
system	O
's	O
release	O
,	O
software	O
such	O
as	O
Human68k	O
itself	O
,	O
console	O
,	O
SX-Window	B-Application
C	O
compiler	O
suites	O
,	O
and	O
BIOS	B-Operating_System
ROMs	O
have	O
been	O
released	O
as	O
public	B-Application
domain	I-Application
software	I-Application
and	O
are	O
freely	O
available	O
for	O
download	O
.	O
</s>
<s>
Other	O
operating	B-General_Concept
systems	I-General_Concept
available	O
include	O
OS-9	B-Operating_System
and	O
NetBSD	B-Device
for	O
X68030	B-Device
.	O
</s>
<s>
The	O
X68000	B-Device
features	O
two	O
soft-eject	O
5.25-inch	O
floppy	B-Device
drives	I-Device
,	O
or	O
in	O
the	O
compact	O
models	O
,	O
two	O
3.5-inch	O
floppy	B-Device
drives	I-Device
,	O
and	O
a	O
very	O
distinctive	O
case	O
design	O
of	O
two	O
connected	O
towers	O
,	O
divided	O
by	O
a	O
retractable	O
carrying	O
handle	O
.	O
</s>
<s>
This	O
system	O
was	O
also	O
one	O
of	O
the	O
first	O
to	O
feature	O
a	O
software-controlled	O
power	O
switch	O
;	O
pressing	O
the	O
switch	O
would	O
signal	O
the	O
system	O
's	O
software	O
to	O
save	O
and	O
shutdown	O
,	O
similar	O
to	O
the	O
ATX	B-Language
design	O
of	O
modern	O
PCs	O
.	O
</s>
<s>
The	O
system	O
's	O
keyboard	B-Device
has	O
a	O
mouse	B-Device
port	O
built	O
into	O
either	O
side	O
.	O
</s>
<s>
The	O
front	O
of	O
the	O
computer	O
has	O
a	O
headphone	O
jack	O
,	O
volume	O
control	O
,	O
joystick	O
,	O
keyboard	B-Device
and	O
mouse	B-Device
ports	O
.	O
</s>
<s>
The	O
top	O
has	O
a	O
retractable	O
carrying	O
handle	O
only	O
on	O
non-Compact	O
models	O
,	O
a	O
reset	O
button	O
,	O
and	O
a	O
non-maskable	B-General_Concept
interrupt	I-General_Concept
(	O
NMI	O
)	O
button	O
.	O
</s>
<s>
The	O
rear	O
has	O
a	O
variety	O
of	O
ports	O
,	O
including	O
stereoscopic	O
output	O
for	O
3D	O
goggles	O
,	O
FDD	B-Device
and	O
HDD	B-Device
expansion	O
ports	O
,	O
and	O
I/O	O
board	O
expansion	O
slots	O
.	O
</s>
<s>
It	O
was	O
a	O
high	B-General_Concept
quality	I-General_Concept
monitor	O
for	O
playing	O
JAMMA-compatible	O
arcade	O
boards	O
due	O
to	O
its	O
analog	O
RGB	O
input	O
and	O
support	O
for	O
all	O
three	O
horizontal	O
scanning	O
rates	O
used	O
with	O
arcade	O
games	O
.	O
</s>
<s>
Early	O
machines	O
use	O
the	O
rare	O
Shugart	O
Associates	O
System	O
Interface	O
(	O
SASI	O
)	O
for	O
the	O
hard	B-Device
disk	I-Device
interface	O
;	O
later	O
versions	O
adopted	O
the	O
industry-standard	O
Small	B-Architecture
Computer	I-Architecture
System	I-Architecture
Interface	I-Architecture
(	O
SCSI	B-Architecture
)	O
.	O
</s>
<s>
Per	O
the	O
hardware	B-Architecture
's	O
capability	O
,	O
formatted	O
SASI	O
drives	O
can	O
be	O
10	O
,	O
20	O
or	O
40MB	O
in	O
size	O
and	O
can	O
be	O
logically	O
partitioned	O
as	O
well	O
.	O
</s>
<s>
Human68K	O
does	O
not	O
support	O
the	O
VFAT	O
long	O
filenames	O
standard	O
of	O
modern	O
Windows	O
systems	O
,	O
but	O
it	O
supports	O
18.3	O
character	O
filenames	O
instead	O
of	O
the	O
8.3	O
character	O
filenames	O
allowed	O
in	O
the	O
FAT	B-Application
filesystem	I-Application
.	O
</s>
<s>
If	O
a	O
X68000	B-Device
user	O
restricts	O
themselves	O
to	O
use	O
only	O
filenames	O
according	O
to	O
the	O
8.3	O
characters	O
scheme	O
of	O
DOS	O
,	O
using	O
only	O
Latin	O
upper	O
case	O
characters	O
,	O
then	O
a	O
disk	O
written	O
on	O
the	O
X68000	B-Device
is	O
fully	O
compatible	O
with	O
other	O
Japanese	O
standard	O
platforms	O
like	O
e.g.	O
</s>
<s>
the	O
NEC	B-Operating_System
PC-9800	I-Operating_System
,	O
the	O
Fujitsu	O
FMR	O
and	O
FM	B-Device
Towns	I-Device
computers	O
.	O
</s>
<s>
The	O
Japanese	O
standard	O
disk	B-Device
format	I-Device
used	O
by	O
the	O
X68000	B-Device
is	O
:	O
77	O
tracks	O
,	O
2	O
heads	O
,	O
8	O
sectors	O
,	O
1024	O
bytes	O
per	O
sector	O
,	O
360	O
rpm	O
(	O
1232	O
KiB	O
)	O
.	O
</s>
<s>
Many	O
add-on	O
cards	O
were	O
released	O
for	O
the	O
system	O
,	O
including	O
networking	O
(	O
Neptune-X	O
)	O
,	O
SCSI	B-Architecture
,	O
memory	O
upgrades	O
,	O
CPU	B-General_Concept
enhancements	O
(	O
JUPITER-X	O
68040/060	O
accelerator	O
)	O
,	O
and	O
MIDI	O
I/O	O
boards	O
.	O
</s>
<s>
The	O
system	O
has	O
two	O
joystick	O
ports	O
,	O
both	O
9-pin	O
male	O
and	O
supporting	O
Atari	B-Protocol
standard	I-Protocol
joysticks	I-Protocol
and	O
MSX	B-Operating_System
controllers	O
.	O
</s>
<s>
Capcom	O
produced	O
a	O
converter	O
that	O
was	O
originally	O
sold	O
packaged	O
with	O
the	O
X68000	B-Device
version	O
of	O
Street	B-Application
Fighter	I-Application
II	I-Application
that	O
allowed	O
users	O
to	O
plug	O
in	O
a	O
Super	B-Application
Famicom	I-Application
or	O
Mega	B-Operating_System
Drive	I-Operating_System
controller	O
into	O
the	O
system	O
.	O
</s>
<s>
In	O
terms	O
of	O
hardware	B-Architecture
,	O
the	O
X68K	B-Device
was	O
very	O
similar	O
to	O
arcade	O
machines	O
of	O
the	O
time	O
,	O
and	O
served	O
as	O
the	O
Capcom	O
CPS	B-Application
system	O
development	O
machine	O
.	O
</s>
<s>
It	O
supports	O
separate	O
text	O
RAM	B-Architecture
,	O
graphic	O
RAM	B-Architecture
and	O
hardware	B-Architecture
sprites	O
.	O
</s>
<s>
Sound	O
is	O
produced	O
internally	O
via	O
Yamaha	O
's	O
then	O
top-of-the-line	O
YM2151	O
FM	O
synthesizer	O
and	O
a	O
single	O
channel	O
OKI	O
MSM6258V	O
for	O
PCM	B-Algorithm
.	O
</s>
<s>
Games	O
made	O
for	O
this	O
system	O
include	O
Parodius	B-Application
Da	I-Application
!	I-Application
</s>
<s>
－Shinwa	O
kara	O
Owarai	O
e－	O
,	O
Ghouls	B-Application
'	I-Application
n	I-Application
Ghosts	I-Application
,	O
Strider	B-Application
,	O
Final	B-Application
Fight	I-Application
,	O
Alien	B-Application
Syndrome	I-Application
,	O
Street	B-Application
Fighter	I-Application
II	I-Application
:	I-Application
Champion	I-Application
Edition	I-Application
,	O
Akumajo	O
Dracula	O
(	O
Castlevania	O
in	O
other	O
regions	O
,	O
the	O
X68000	B-Device
version	O
was	O
ported	O
to	O
the	O
PlayStation	B-Device
as	O
Castlevania	B-Application
Chronicles	I-Application
)	O
,	O
Cho	B-Application
Ren	I-Application
Sha	I-Application
68k	I-Application
(	O
which	O
has	O
a	O
Windows	O
port	O
)	O
and	O
many	O
others	O
.	O
</s>
<s>
Floppy	B-Device
Drives	I-Device
:	O
</s>
<s>
Upgradable	O
CPU	B-General_Concept
:	O
</s>
<s>
Additional	O
CPU	B-General_Concept
:	O
</s>
<s>
FPU	B-General_Concept
(	O
floating	B-General_Concept
point	I-General_Concept
unit	I-General_Concept
)	O
coprocessor	O
:	O
</s>
<s>
Sound	B-Device
card	I-Device
:	O
</s>
<s>
Hard	B-Device
disk	I-Device
drive	I-Device
storage	O
:	O
</s>
<s>
In	O
2022	O
,	O
ZUIKI	O
Inc	O
.	O
revealed	O
a	O
teaser	O
for	O
a	O
new	O
mini	B-Device
console	I-Device
called	O
the	O
X68000	B-Device
Z	O
,	O
a	O
miniaturized	O
version	O
of	O
the	O
X68000	B-Device
.	O
</s>
