<s>
The	O
IDE64	B-Device
interface	O
cartridge	B-Protocol
is	O
an	O
expansion	O
port	O
device	O
for	O
connecting	O
ATA(PI )	O
devices	O
to	O
the	O
C64	O
or	O
C128	B-Device
computers	O
.	O
</s>
<s>
There	O
were	O
several	O
different	O
versions	O
of	O
this	O
cartridge	B-Protocol
over	O
the	O
years	O
.	O
</s>
<s>
IDE64	B-Device
v1.1	O
–	O
In	O
1997	O
the	O
first	O
public	O
version	O
of	O
the	O
cartridge	B-Protocol
appeared	O
.	O
</s>
<s>
The	O
logic	O
was	O
fitted	O
into	O
2	O
ispLSIs	O
,	O
the	O
operating	O
system	O
was	O
burned	O
into	O
a	O
32kB	O
EPROM	B-General_Concept
,	O
and	O
there	O
was	O
16kB	O
of	O
RAM	O
storage	O
for	O
buffers	O
.	O
</s>
<s>
Beside	O
the	O
parallel	B-Protocol
ATA	I-Protocol
connector	O
also	O
an	O
expansion	O
port	O
pass	O
through	O
was	O
included	O
to	O
allow	O
attaching	O
of	O
other	O
cartridges	B-Protocol
.	O
</s>
<s>
IDE64	B-Device
v2.1	O
–	O
Around	O
1999	O
the	O
first	O
"	O
modern	O
"	O
version	O
of	O
the	O
cartridge	B-Protocol
came	O
out	O
,	O
merging	O
the	O
logic	O
into	O
one	O
big	O
ispLSI	O
PLD	O
.	O
</s>
<s>
Also	O
the	O
EPROM	B-General_Concept
was	O
upgraded	O
to	O
a	O
64kB	O
EEPROM	B-General_Concept
to	O
allow	O
operating	O
system	O
upgrades	O
without	O
special	O
equipment	O
.	O
</s>
<s>
It	O
was	O
meant	O
for	O
hardware	O
expansions	O
like	O
LCD	B-Device
displays	I-Device
,	O
7-segment	B-General_Concept
display	I-General_Concept
,	O
but	O
later	O
also	O
more	O
sophisticated	O
expansions	O
appeared	O
.	O
</s>
<s>
IDE64	B-Device
v3.1	O
–	O
In	O
2001	O
a	O
redesigned	O
version	O
of	O
the	O
2.1	O
cartridge	B-Protocol
was	O
made	O
,	O
this	O
version	O
drops	O
the	O
expansion	O
port	O
pass-through	O
.	O
</s>
<s>
IDE64	B-Device
v3.4	O
–	O
CompactFlash	B-Device
cards	I-Device
became	O
popular	O
,	O
so	O
the	O
cartridge	B-Protocol
was	O
redesigned	O
in	O
2004	O
to	O
include	O
a	O
CF	B-Device
socket	O
.	O
</s>
<s>
IDE64	B-Device
v3.4	O
+	O
–	O
In	O
2005	O
,	O
with	O
a	O
small	O
hardware	O
change	O
,	O
the	O
EEPROM	B-General_Concept
was	O
upgraded	O
to	O
128kB	O
,	O
which	O
allowed	O
to	O
hold	O
two	O
versions	O
of	O
the	O
operating	O
system	O
for	O
both	O
a	O
standard	O
C64	O
and	O
SuperCPU	O
.	O
</s>
<s>
IDE64	B-Device
v4.1	O
–	O
The	O
pre-release	O
happened	O
in	O
2008	O
August	O
,	O
but	O
it	O
was	O
not	O
available	O
until	O
2009	O
March	O
.	O
</s>
<s>
The	O
hardware	O
was	O
redesigned	O
to	O
use	O
surface-mounted	O
parts	O
and	O
a	O
more	O
up-to-date	O
ispMACH	O
CPLD	B-General_Concept
,	O
which	O
resulted	O
in	O
a	O
much	O
shorter	O
board	O
.	O
</s>
<s>
A	O
USB	B-Protocol
serial	O
FIFO	B-Operating_System
chip	O
was	O
added	O
for	O
fast	O
PCLink	O
connections	O
,	O
and	O
an	O
Amiga	B-Device
clock-port	I-Device
for	O
connecting	O
additional	O
devices	O
.	O
</s>
<s>
The	O
card	O
slot	O
on	O
this	O
version	O
is	O
separated	O
from	O
the	O
parallel	B-Protocol
ATA	I-Protocol
port	O
,	O
and	O
offers	O
wider	O
compatibility	O
with	O
CF	B-Device
cards	I-Device
.	O
</s>
<s>
It	O
is	O
supported	O
by	O
Contiki	B-Operating_System
,	O
Wings	O
and	O
maybe	O
some	O
other	O
software	O
.	O
</s>
<s>
It	O
is	O
supported	O
by	O
Contiki	B-Operating_System
,	O
Wings	O
,	O
Novaterm	O
9.6	O
and	O
maybe	O
some	O
other	O
software	O
.	O
</s>
<s>
DigiMAX	O
–	O
It	O
is	O
a	O
MAX506	O
based	O
4	O
channel	O
8-bit	O
digital-to-analog	O
converter	O
card	O
,	O
can	O
be	O
used	O
as	O
"	O
sound	B-Device
card	I-Device
"	O
,	O
as	O
the	O
output	O
comes	O
out	O
on	O
two	O
jack	B-Device
plugs	I-Device
.	O
</s>
<s>
It	O
can	O
be	O
used	O
for	O
PCLink	O
,	O
has	O
a	O
Contiki	B-Operating_System
driver	O
,	O
and	O
work	O
with	O
software	O
designed	O
for	O
the	O
original	O
TFE	O
card	O
.	O
</s>
