<s>
The	O
Amiga	B-Device
600	I-Device
,	O
also	O
known	O
as	O
the	O
A600	O
,	O
is	O
a	O
home	O
computer	O
introduced	O
in	O
March	O
1992	O
.	O
</s>
<s>
It	O
is	O
the	O
final	O
Amiga	O
model	O
based	O
on	O
the	O
Motorola	B-Device
68000	I-Device
and	O
the	O
1990	O
Amiga	B-Device
Enhanced	I-Device
Chip	I-Device
Set	I-Device
.	O
</s>
<s>
A	O
redesign	O
of	O
the	O
Amiga	B-Device
500	I-Device
Plus	O
,	O
it	O
adds	O
the	O
option	O
of	O
an	O
internal	O
hard	B-Device
disk	I-Device
drive	I-Device
and	O
a	O
PCMCIA	B-Architecture
port	O
.	O
</s>
<s>
Lacking	O
a	O
numeric	B-Device
keypad	I-Device
,	O
the	O
A600	O
is	O
only	O
slightly	O
larger	O
than	O
an	O
IBM	B-Device
PC	I-Device
keyboard	I-Device
,	O
weighing	O
approximately	O
6	O
pounds	O
.	O
</s>
<s>
It	O
shipped	O
with	O
AmigaOS	B-Application
2.0	O
,	O
which	O
was	O
considered	O
more	O
user-friendly	O
than	O
earlier	O
versions	O
of	O
the	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
Commodore	O
intended	O
it	O
to	O
revitalize	O
sales	O
of	O
the	O
A500-related	O
line	O
before	O
the	O
introduction	O
of	O
the	O
32-bit	O
Amiga	B-Application
1200	I-Application
.	O
</s>
<s>
The	O
A600	O
was	O
originally	O
to	O
have	O
been	O
numbered	O
the	O
A300	O
,	O
positioning	O
it	O
as	O
a	O
lower-budget	O
version	O
of	O
the	O
Amiga	B-Device
500	I-Device
Plus	O
.	O
</s>
<s>
An	O
A600HD	B-Device
model	O
was	O
sold	O
with	O
an	O
internal	O
2.5	O
"	O
ATA	B-Protocol
hard	B-Device
disk	I-Device
drive	I-Device
of	O
either	O
20	O
or	O
40	O
MB	O
.	O
</s>
<s>
Amiga	B-Device
600	I-Device
's	O
compatibility	O
with	O
earlier	O
Amiga	B-Device
models	I-Device
is	O
rather	O
poor	O
.	O
</s>
<s>
After	O
the	O
release	O
of	O
the	O
Amiga	B-Device
3000T	I-Device
,	O
Commodore	O
's	O
next	O
project	O
was	O
a	O
next-generation	O
Amiga	O
chipset	O
,	O
which	O
became	O
the	O
Advanced	B-Device
Graphics	I-Device
Architecture	I-Device
(	O
AGA	O
)	O
.	O
</s>
<s>
Meanwhile	O
,	O
George	O
Robbins	O
designed	O
another	O
low-end	O
project	O
called	O
the	O
Amiga	B-Device
300	I-Device
.	O
</s>
<s>
The	O
computer	O
,	O
codenamed	O
June	O
Bug	O
,	O
had	O
a	O
floppy	B-Device
drive	I-Device
built	O
in	O
and	O
was	O
roughly	O
the	O
same	O
size	O
and	O
weight	O
as	O
a	O
Commodore	O
64	O
.	O
</s>
<s>
The	O
model	O
was	O
launched	O
in	O
mid-March	O
1992	O
as	O
the	O
Amiga	B-Device
600	I-Device
,	O
superseding	O
the	O
A500	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
,	O
it	O
and	O
its	O
hard	B-Device
disk	I-Device
drive	I-Device
variant	O
,	O
the	O
Amiga	O
600HD	O
,	O
sold	O
for	O
and	O
,	O
respectively	O
,	O
the	O
former	O
of	O
which	O
was	O
about	O
$50	O
more	O
than	O
an	O
A500	O
while	O
the	O
two	O
systems	O
were	O
on	O
sale	O
,	O
although	O
the	O
A600	O
was	O
supposed	O
to	O
be	O
sold	O
for	O
about	O
that	O
much	O
less	O
.	O
</s>
<s>
The	O
Amiga	B-Device
600	I-Device
was	O
discontinued	O
in	O
late	O
1993	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
stock	O
A600	O
,	O
mouse	O
,	O
power	O
supply	O
,	O
and	O
Workbench	B-Operating_System
disk	O
package	O
,	O
the	O
A600	O
was	O
available	O
with	O
the	O
following	O
software	O
and	O
hardware	O
bundles	O
:	O
</s>
<s>
The	O
A600	O
shipped	O
with	O
a	O
Motorola	B-Device
68000	I-Device
CPU	O
,	O
running	O
at	O
7.09MHz	O
(	O
PAL	B-Language
)	O
or	O
7.16MHz	O
(	O
NTSC	O
)	O
and	O
1	O
MB	O
"	B-Device
chip	I-Device
"	I-Device
RAM	I-Device
with	O
80ns	O
access	O
time	O
.	O
</s>
<s>
The	O
A600	O
is	O
the	O
last	O
Amiga	O
model	O
to	O
use	O
Commodore	O
's	O
Enhanced	B-Device
Chip	I-Device
Set	I-Device
(	O
ECS	O
)	O
,	O
which	O
can	O
address	O
2MB	O
of	O
RAM	B-Architecture
and	O
adds	O
higher	O
resolution	O
display	O
modes	O
.	O
</s>
<s>
The	O
so-called	O
Super	B-Device
Agnus	I-Device
display	O
chip	O
can	O
drive	O
screen	O
modes	O
varying	O
from	O
320×200	O
pixels	O
to	O
1280×512	O
pixels	O
,	O
with	O
different	O
frequency	B-General_Concept
sync	I-General_Concept
.	O
</s>
<s>
Sound	O
was	O
unchanged	O
from	O
the	O
original	O
Amiga	O
design	O
,	O
namely	O
,	O
4	O
DMA-driven	O
8-bit	O
channels	O
,	O
with	O
two	O
channels	O
for	O
the	O
left	O
speaker	O
and	O
two	O
for	O
the	O
right	O
.	O
</s>
<s>
The	O
A600	O
was	O
the	O
first	O
Amiga	O
model	O
with	O
built-in	O
color	O
composite	O
video	O
(	O
RCA	B-Protocol
)	O
,	O
which	O
allowed	O
the	O
A600	O
to	O
be	O
used	O
with	O
a	O
standard	O
CRT	O
television	O
without	O
the	O
need	O
for	O
a	O
Commodore	B-Protocol
A520	I-Protocol
RF	I-Protocol
Modulator	I-Protocol
adaptor	O
.	O
</s>
<s>
The	O
A600	O
features	O
Amiga-specific	O
connectors	O
including	O
two	O
DB9M	B-Protocol
ports	O
for	O
joysticks	B-Device
,	O
mice	B-Device
,	O
and	O
light	B-Device
pens	I-Device
,	O
a	O
standard	O
25-pin	O
RS-232	O
serial	B-Protocol
port	I-Protocol
and	O
a	O
25-pin	O
Centronics	O
parallel	B-Device
port	I-Device
.	O
</s>
<s>
As	O
a	O
result	O
,	O
the	O
A600	O
is	O
compatible	O
with	O
many	O
peripherals	O
available	O
for	O
earlier	O
Amiga	B-Device
models	I-Device
,	O
such	O
as	O
MIDI	O
,	O
sound	B-Algorithm
samplers	I-Algorithm
and	O
video-capture	O
devices	O
.	O
</s>
<s>
Expansion	O
capabilities	O
new	O
to	O
the	O
Amiga	O
line	O
were	O
the	O
PCMCIA	B-Architecture
Type	O
II	O
slot	O
and	O
the	O
internal	O
44-pin	O
ATA	B-Protocol
interface	O
both	O
most	O
commonly	O
seen	O
on	O
laptop	B-Device
computers	I-Device
.	O
</s>
<s>
The	O
A600	O
has	O
internal	O
housing	O
for	O
one	O
2.5	O
"	O
internal	O
hard	B-Device
disk	I-Device
drive	I-Device
connecting	O
to	O
the	O
ATA	B-Protocol
controller	O
.	O
</s>
<s>
The	O
A600	O
is	O
the	O
first	O
of	O
only	O
two	O
Amiga	B-Device
models	I-Device
to	O
feature	O
a	O
PCMCIA	B-Architecture
Type	O
II	O
interface	O
.	O
</s>
<s>
This	O
connector	O
allows	O
use	O
of	O
a	O
number	O
of	O
compatible	O
peripherals	O
available	O
for	O
the	O
laptop-computer	O
market	O
,	O
although	O
only	O
16-bit	O
PCMCIA	B-Architecture
cards	I-Architecture
are	O
hardware-compatible	O
;	O
newer	O
32-bit	O
PC	B-Architecture
Card	I-Architecture
(	O
CardBus	O
)	O
peripherals	O
are	O
incompatible	O
.	O
</s>
<s>
The	O
port	O
is	O
also	O
not	O
fully	O
compliant	O
with	O
the	O
PCMCIA	B-Architecture
Type	O
II	O
standard	O
as	O
the	O
A600	O
was	O
developed	O
before	O
the	O
standard	O
was	O
finalized	O
.	O
</s>
<s>
The	O
PCMCIA	B-Architecture
implementation	O
on	O
the	O
A600	O
is	O
almost	O
identical	O
to	O
the	O
one	O
featured	O
on	O
a	O
later	O
Amiga	O
,	O
the	O
1200	B-Application
.	O
</s>
<s>
A	O
number	O
of	O
Amiga	O
peripherals	O
were	O
released	O
by	O
third-party	O
developers	O
for	O
this	O
connector	O
including	O
SRAM	B-Architecture
cards	O
,	O
CD-ROM	B-Device
controllers	O
,	O
SCSI	B-Architecture
controllers	O
,	O
network	O
cards	O
,	O
sound	B-Algorithm
samplers	I-Algorithm
,	O
and	O
video-capture	O
devices	O
.	O
</s>
<s>
Although	O
PCMCIA	B-Architecture
was	O
similar	O
in	O
spirit	O
to	O
Commodore	O
's	O
expansion	O
architecture	O
for	O
its	O
earlier	O
systems	O
,	O
the	O
intended	O
capability	O
for	O
convenient	O
external	O
expansion	O
through	O
this	O
connector	O
was	O
largely	O
unrealized	O
at	O
the	O
time	O
of	O
release	O
because	O
of	O
the	O
prohibitive	O
expense	O
of	O
PCMCIA	B-Architecture
peripherals	O
for	O
a	O
lower-budget	O
personal	O
computer	O
.	O
</s>
<s>
Later	O
,	O
a	O
number	O
of	O
compatible	O
laptop-computer	O
peripherals	O
have	O
been	O
made	O
to	O
operate	O
with	O
the	O
A600	O
,	O
including	O
network	O
cards	O
(	O
both	O
wired	O
and	O
wireless	O
)	O
,	O
serial	O
modems	O
and	O
CompactFlash	B-Device
adapters	O
.	O
</s>
<s>
The	O
A600	O
shipped	O
with	O
AmigaOS	B-Application
2.0	O
,	O
consisting	O
of	O
Workbench	B-Operating_System
2.0	O
and	O
a	O
Kickstart	B-Device
ROM	B-Device
revision	O
37.299	O
,	O
37.300	O
or	O
37.350	O
(	O
Commodore	O
's	O
internal	O
revision	O
numbers	O
)	O
.	O
</s>
<s>
Confusingly	O
,	O
all	O
three	O
ROM	B-Device
revisions	O
were	O
officially	O
designated	O
as	O
version	O
"	O
2.05	O
"	O
.	O
</s>
<s>
Some	O
early	O
A600s	O
shipped	O
with	O
Kickstart	B-Device
37.299	O
,	O
which	O
had	O
neither	O
support	O
for	O
the	O
internal	O
ATA	B-Protocol
controller	O
,	O
nor	O
for	O
the	O
PCMCIA	B-Architecture
interface	O
.	O
</s>
<s>
Although	O
it	O
is	O
possible	O
to	O
load	O
the	O
necessary	O
drivers	O
from	O
floppy	B-Device
disk	I-Device
,	O
it	O
is	O
not	O
possible	O
to	O
boot	O
directly	O
from	O
ATA	B-Protocol
or	O
PCMCIA	B-Architecture
devices	O
.	O
</s>
<s>
Models	O
fitted	O
with	O
Kickstart	B-Device
37.300	O
or	O
37.350	O
can	O
utilize	O
those	O
devices	O
at	O
boot	O
time	O
.	O
</s>
<s>
Version	O
37.350	O
improved	O
compatibility	O
with	O
ATA	B-Protocol
hard	B-Device
disks	I-Device
by	O
increasing	O
the	O
wait	O
time	O
for	O
disks	O
to	O
spin	O
up	O
during	O
boot	O
.	O
</s>
<s>
Despite	O
that	O
the	O
68000	B-Device
is	O
soldered	O
to	O
the	O
motherboard	O
,	O
unofficial	O
CPU	O
upgrades	O
include	O
the	O
Motorola	B-Device
68010	I-Device
,	O
68020	B-Device
(	O
at	O
up	O
to	O
25MHz	O
)	O
,	O
and	O
68030	B-Device
(	O
at	O
up	O
to	O
50MHz	O
)	O
.	O
</s>
<s>
The	O
processor	B-General_Concept
is	O
upgraded	O
not	O
by	O
replacing	O
the	O
68000	B-Device
,	O
but	O
rather	O
by	O
fitting	O
a	O
connector	O
over	O
the	O
CPU	O
and	O
commandeering	O
the	O
system	O
bus	O
.	O
</s>
<s>
RAM	B-Architecture
can	O
be	O
upgraded	O
to	O
a	O
maximum	O
of	O
2MB	O
"	O
chip	B-Device
RAM	I-Device
"	O
using	O
the	O
trap-door	O
expansion	O
slot	O
.	O
</s>
<s>
An	O
additional	O
4MB	O
of	O
"	O
fast	B-Device
RAM	I-Device
"	O
can	O
be	O
added	O
in	O
the	O
PC	B-Architecture
Card	I-Architecture
slot	O
using	O
a	O
suitable	O
SRAM	B-Architecture
card	O
to	O
reach	O
a	O
capacity	O
of	O
6MB	O
.	O
</s>
<s>
However	O
,	O
more	O
"	O
fast	B-Device
RAM	I-Device
"	O
can	O
be	O
added	O
with	O
unofficial	O
memory	O
or	O
CPU	O
upgrades	O
.	O
</s>
<s>
For	O
example	O
,	O
the	O
A608	O
board	O
adds	O
up	O
to	O
a	O
maximum	O
of	O
8MB	O
additional	O
RAM	B-Architecture
by	O
connecting	O
over	O
the	O
original	O
68000	B-Device
.	O
</s>
<s>
It	O
is	O
possible	O
to	O
upgrade	O
the	O
A600	O
to	O
Workbench	B-Operating_System
2.1	O
.	O
</s>
<s>
This	O
features	O
a	O
localization	O
of	O
the	O
operating	B-General_Concept
system	I-General_Concept
in	O
several	O
languages	O
and	O
has	O
a	O
"	O
CrossDOS	O
"	O
driver	O
providing	O
read/write	O
support	O
for	O
FAT	B-Application
(	O
MS-DOS	O
)	O
-formatted	O
media	O
such	O
as	O
floppy	B-Device
disks	I-Device
or	O
hard	B-Device
drives	I-Device
.	O
</s>
<s>
Workbench	B-Operating_System
2.1	O
was	O
a	O
software	O
only	O
update	O
which	O
runs	O
on	O
all	O
Kickstart	B-Device
ROMs	O
of	O
the	O
2.0x	O
family	O
.	O
</s>
<s>
Following	O
the	O
release	O
of	O
AmigaOS	B-Application
3.1	O
in	O
1994	O
it	O
was	O
possible	O
to	O
upgrade	O
the	O
A600	O
by	O
installing	O
a	O
compatible	O
revision	O
40.63	O
Kickstart	B-Device
ROM	B-Device
.	O
</s>
<s>
The	O
FPGA-driven	O
Vampire	O
adds	O
128MB	O
Fastmem	O
RAM	B-Architecture
,	O
HDMI	B-Protocol
output	O
,	O
SD	B-Device
card	I-Device
for	O
HDD	O
storage	O
and	O
a	O
64-bit	O
core	O
with	O
full	O
32-bit	O
compatibility	O
.	O
</s>
<s>
Contemporaneous	O
reviews	O
of	O
the	O
Amiga	B-Device
600	I-Device
were	O
mixed	O
.	O
</s>
<s>
It	O
wrote	O
that	O
the	O
changes	O
to	O
the	O
model	O
were	O
incremental	O
,	O
rather	O
than	O
revolutionary	O
,	O
as	O
only	O
its	O
design	O
was	O
substantially	O
revised	O
and	O
not	O
the	O
Amiga	O
computer	O
itself	O
—	O
an	O
important	O
consideration	O
for	O
potential	O
buyers	O
who	O
already	O
owned	O
an	O
Amiga	B-Device
500	I-Device
.	O
</s>
<s>
The	O
decision	O
to	O
solder	O
all	O
circuitry	O
other	O
than	O
the	O
ROM	B-Device
chip	I-Device
on	O
the	O
motherboard	O
,	O
it	O
said	O
,	O
allowed	O
Commodore	O
to	O
manufacture	O
a	O
model	O
that	O
was	O
more	O
compact	O
and	O
more	O
reliable	O
,	O
albeit	O
with	O
new	O
hurdles	O
on	O
internal	O
upgrading	O
.	O
</s>
<s>
The	O
PCMCIA	B-Architecture
slot	O
was	O
viewed	O
as	O
an	O
advantageous	O
measure	O
eliminating	O
almost	O
all	O
possibilities	O
of	O
software	O
piracy	O
,	O
and	O
while	O
the	O
magazine	O
noted	O
that	O
a	O
majority	O
of	O
expansion	O
hardware	O
for	O
the	O
A500	O
would	O
not	O
work	O
with	O
this	O
model	O
,	O
it	O
believed	O
the	O
same	O
community	O
that	O
reversed	O
the	O
expansion	O
hardware	O
's	O
A1000	O
ports	O
for	O
use	O
by	O
A500	O
systems	O
would	O
supply	O
the	O
A600	O
with	O
many	O
peripherals	O
.	O
</s>
<s>
Amiga	O
Computing	O
reviewed	O
the	O
original	O
and	O
hard	B-Device
drive	I-Device
models	O
and	O
was	O
more	O
favorable	O
to	O
the	O
latter	O
.	O
</s>
<s>
It	O
found	O
that	O
the	O
A600	O
model	O
performed	O
about	O
as	O
fast	O
as	O
an	O
Amiga	B-Device
500	I-Device
Plus	O
computer	O
,	O
but	O
it	O
praised	O
the	O
A600HD	B-Device
variant	O
's	O
use	O
of	O
a	O
hard	B-Device
drive	I-Device
as	O
offering	O
the	O
user	O
more	O
storage	O
space	O
and	O
functionality	O
than	O
any	O
other	O
low-end	O
Amiga	O
model	O
.	O
</s>
<s>
Regarding	O
both	O
models	O
,	O
it	O
praised	O
the	O
addition	O
of	O
an	O
RF	B-Protocol
port	O
,	O
but	O
criticized	O
the	O
power	O
supply	O
brick	O
as	O
the	O
only	O
impediment	O
to	O
the	O
computers	O
 '	O
advertised	O
portability	O
.	O
</s>
<s>
It	O
considered	O
compatibility	O
issues	O
arising	O
from	O
software	O
requiring	O
the	O
numeric	B-Device
keypad	I-Device
to	O
be	O
insignificant	O
.	O
</s>
<s>
It	O
also	O
criticized	O
the	O
lack	O
of	O
the	O
DMA	B-General_Concept
expansion	O
slot	O
.	O
</s>
<s>
Nevertheless	O
,	O
the	O
magazine	O
predicted	O
that	O
the	O
A600HD	B-Device
model	O
would	O
capture	O
the	O
hobbyist	O
market	O
and	O
stimulate	O
the	O
production	O
of	O
hard	O
drive-installable	O
games	O
.	O
</s>
<s>
He	O
similarly	O
criticized	O
the	O
need	O
for	O
the	O
power	O
brick	O
,	O
and	O
also	O
questioned	O
Commodore	O
's	O
design	O
choices	O
,	O
in	O
particular	O
,	O
removing	O
the	O
expansion	O
slot	O
,	O
retaining	O
the	O
Motorola	B-Device
68000	I-Device
processor	I-Device
,	O
and	O
replacing	O
an	O
A501	O
connector	O
with	O
an	O
A601	O
one	O
,	O
although	O
not	O
minding	O
the	O
loss	O
of	O
the	O
numeric	B-Device
keypad	I-Device
.	O
</s>
<s>
Disgruntled	O
Commodore	O
engineers	O
nicknamed	O
the	O
model	O
the	O
"	O
Amiga	O
Junior	O
"	O
,	O
a	O
reference	O
to	O
Sydnes	O
 '	O
previous	O
project	O
of	O
which	O
he	O
was	O
in	O
charge	O
while	O
at	O
IBM	O
,	O
the	O
IBM	B-Device
PCjr	I-Device
,	O
which	O
was	O
a	O
critical	O
and	O
commercial	O
failure	O
.	O
</s>
<s>
Dave	O
Haynie	O
,	O
who	O
worked	O
as	O
a	O
senior	O
engineer	O
for	O
Commodore	O
,	O
described	O
the	O
new	O
features	O
the	O
A600	O
provided	O
as	O
bloat	O
and	O
noted	O
its	O
compatibility	O
issues	O
with	O
A500	O
peripherals	O
and	O
lack	O
of	O
numeric	B-Device
keypad	I-Device
.	O
</s>
<s>
Ars	O
Technica	O
considers	O
it	O
to	O
be	O
the	O
worst	O
of	O
Commodore	O
's	O
Amiga	B-Device
models	I-Device
,	O
citing	O
its	O
higher	O
price	O
and	O
fewer	O
features	O
compared	O
to	O
the	O
Amiga	B-Device
500	I-Device
,	O
while	O
also	O
noting	O
that	O
markets	O
were	O
overstocked	O
with	O
A600	O
units	O
at	O
the	O
same	O
time	O
that	O
the	O
more	O
popular	O
A500	O
and	O
A1200	B-Application
models	O
were	O
under-manufactured	O
.	O
</s>
