<s>
The	O
Expert	O
,	O
made	O
by	O
Gradiente	O
Eletrônica	O
(	O
to	O
date	O
best	O
known	O
as	O
a	O
game	B-Device
console	I-Device
and	O
Hi-Fi	O
equipment	O
company	O
)	O
was	O
the	O
second	O
and	O
last	O
MSX	B-Operating_System
home	O
computer	O
launched	O
in	O
the	O
Brazilian	O
market	O
,	O
in	O
the	O
mid-1980s	O
.	O
</s>
<s>
Its	O
market	O
release	O
date	O
was	O
1	O
December	O
1985	O
,	O
one	O
week	O
after	O
Epcom	O
's	O
Hotbit	B-General_Concept
,	O
just	O
in	O
time	O
for	O
1985	O
's	O
Christmas	O
and	O
with	O
a	O
massive	O
media	O
campaign	O
on	O
magazines	O
,	O
newspapers	O
and	O
TV	O
.	O
</s>
<s>
The	O
machine	O
was	O
a	O
clone	O
of	O
the	O
National	O
CF-3000	O
,	O
with	O
a	O
computer	B-General_Concept
case	I-General_Concept
resembling	O
a	O
stereo	O
system	O
,	O
a	O
detached	O
keyboard	O
with	O
a	O
proprietary	O
connector	O
,	O
no	O
caps	B-Device
lock	I-Device
LED	O
and	O
no	O
reset	B-Application
key	I-Application
,	O
although	O
the	O
soft-reset	O
could	O
be	O
achieved	O
by	O
pushing	O
in	O
either	O
of	O
the	O
cartridge	B-Protocol
slot	O
covers	O
.	O
</s>
<s>
The	O
Expert	O
XP-800	O
was	O
followed	O
by	O
the	O
Expert	O
GPC-1	O
(	O
"	O
Gradiente	O
Personal	O
Computer	O
"	O
)	O
in	O
1987	O
,	O
and	O
by	O
Expert	O
Plus	O
and	O
Expert	O
DD	O
Plus	O
(	O
a	O
system	O
with	O
a	O
built-in	O
720	O
KB	O
3	O
"	O
floppy	B-Device
disk	I-Device
drive	I-Device
)	O
in	O
1989	O
.	O
</s>
<s>
The	O
Expert	O
users	O
waited	O
for	O
an	O
MSX2	B-Operating_System
machine	O
,	O
but	O
Gradiente	O
never	O
produced	O
it	O
and	O
discontinued	O
the	O
MSX	B-Operating_System
line	O
in	O
1990	O
.	O
</s>
<s>
Also	O
,	O
the	O
GPC-1	O
,	O
released	O
in	O
1987	O
,	O
had	O
a	O
ROM	B-Device
slightly	O
modified	O
to	O
solve	O
an	O
ASCII	O
table	O
compatibility	O
issue	O
with	O
the	O
other	O
popular	O
Brazilian	O
MSX	B-Operating_System
,	O
Sharp	O
's	O
Hotbit	B-General_Concept
.	O
</s>
<s>
Nevertheless	O
,	O
the	O
RAM	B-Architecture
was	O
mapped	O
to	O
a	O
secondary	O
slot	O
and	O
,	O
although	O
it	O
was	O
straight	O
by	O
the	O
MSX	B-Operating_System
standards	O
,	O
caused	O
a	O
lot	O
of	O
crashes	O
with	O
programs	O
who	O
searched	O
for	O
memory	O
in	O
the	O
wrong	O
place	O
.	O
</s>
