<s>
The	O
Personal	O
Computer	O
Series	O
,	O
or	O
PC	O
Series	O
,	O
was	O
IBM	O
's	O
follow-up	O
to	O
the	O
Personal	B-Device
System/2	I-Device
and	O
PS/ValuePoint	B-Device
.	O
</s>
<s>
Announced	O
in	O
October	O
1994	O
and	O
withdrawn	O
in	O
October	O
2000	O
,	O
it	O
was	O
replaced	O
by	O
the	O
IBM	B-Device
NetVista	I-Device
,	O
apart	O
from	O
the	O
Pentium	O
Pro-based	O
PC360	O
and	O
PC365	O
,	O
which	O
were	O
replaced	O
by	O
the	O
IBM	B-Device
IntelliStation	I-Device
.	O
</s>
<s>
Industry	O
standard	O
ISA/PCI	O
architecture	O
,	O
first	O
IBM	O
machines	O
with	O
USB	B-Protocol
.	O
</s>
<s>
Processors	O
ranged	O
from	O
the	O
486DX2-50	B-Device
,	O
486SX-25	O
,	O
486DX4-100	O
to	O
the	O
Pentium	B-Device
200	I-Device
and	O
in	O
case	O
of	O
the	O
Models	O
360	O
and	O
365	O
the	O
Pentium	B-Device
Pro	I-Device
.	O
</s>
<s>
486	O
models	O
had	O
a	O
selectable	O
bus	O
architecture	O
(	O
SelectaBus	O
)	O
through	O
a	O
replaceable	O
riser-card	O
,	O
offering	O
the	O
choice	O
of	O
either	O
VESA	O
Local	O
Bus/ISA	O
or	O
PCI/ISA	O
.	O
</s>
<s>
Its	O
last	O
sub-model	O
used	O
the	O
Pentium	B-Device
P54C	I-Device
processor	O
clocked	O
at	O
100	O
,	O
133	O
,	O
166	O
,	O
or	O
200MHz	O
.	O
</s>
<s>
It	O
had	O
,	O
depending	O
on	O
the	O
sub-model	O
,	O
up	O
to	O
4	O
ISA	B-Architecture
and/or	O
3	O
PCI	B-Protocol
expansion	B-Device
slots	I-Device
and	O
four	O
(	O
2	O
external	O
5.25	O
"	O
,	O
1	O
external	O
and	O
1	O
internal	O
3.5	O
"	O
)	O
drive	O
bays	O
.	O
</s>
<s>
This	O
PC	O
has	O
2	O
USB	B-Protocol
1.0	O
slots	O
in	O
the	O
back	O
.	O
</s>
<s>
It	O
used	O
the	O
Pentium	B-Device
processor	I-Device
clocked	O
at	O
100	O
,	O
133	O
or	O
166MHz	O
.	O
</s>
<s>
It	O
had	O
4	O
ISA	B-Architecture
and	O
3	O
PCI	B-Protocol
expansion	B-Device
slots	I-Device
and	O
four	O
(	O
2	O
external	O
5.25inch	O
,	O
1	O
external	O
and	O
1	O
internal	O
3.5inch	O
)	O
drive	O
bays	O
.	O
</s>
<s>
Processors	O
ranged	O
from	O
the	O
486DX2-50	B-Device
,	O
486SX-25	O
,	O
486DX4-100	O
to	O
the	O
Pentium	B-Device
200	I-Device
.	O
</s>
<s>
It	O
had	O
,	O
depending	O
on	O
the	O
sub-model	O
up	O
to	O
5	O
ISA	B-Architecture
and/or	O
3	O
PCI	B-Protocol
expansion	B-Device
slots	I-Device
and	O
five	O
(	O
2	O
external	O
5.25	O
"	O
,	O
1	O
external	O
and	O
1	O
internal	O
3.5	O
"	O
)	O
drive	O
bays	O
.	O
</s>
<s>
PC	O
350	O
submodelsNameModelCPUMHzRemarks	O
Personal	O
Computer	O
350	O
Model	O
6581-Kxx	O
,	O
Lxx	O
,	O
Wxx	O
Intel	O
486	O
25-100	O
OPTi	O
chipset	O
;	O
shipped	O
with	O
ISA/VLB	O
raiser	O
card	O
Model	O
6583-Kxx	O
,	O
Lxx	O
,	O
Wxx	O
Intel	O
486	O
25-100	O
OPTi	O
chipset	O
;	O
shipped	O
with	O
ISA/PCI	O
raiser	O
card	O
Model	O
6585-1xx	O
Intel	B-Device
Pentium	I-Device
P5	O
60-66	O
up	O
to	O
133	O
MHz	O
using	O
the	O
Pentium	B-Device
overdrive	O
Model	O
6586-3xx	O
,	O
4xx	O
,	O
5xx	O
,	O
7xx	O
,	O
9xx	O
Intel	B-Device
Pentium	I-Device
P54C	O
75-100	O
Intel-designed	O
motherboard	O
with	O
Triton	O
chipset	O
and	O
Intel/AMI	O
BIOS	O
;	O
up	O
to	O
128	O
MB	O
RAM	O
and	O
512k	O
cache	O
Model	O
6587-5xx	O
,	O
7xx	O
,	O
9xx	O
,	O
Gxx	O
,	O
Kxx	O
,	O
Lxx	O
Intel	B-Device
Pentium	I-Device
P54C	O
75-200	O
Up	O
to	O
192	O
MB	O
RAM	O
,	O
CPU	O
up	O
to	O
233	O
MHz	O
using	O
a	O
Pentium	B-Device
233	O
MMX	O
with	O
75	O
MHz	O
settings	O
.	O
</s>
<s>
The	O
PC	O
360	O
was	O
an	O
ISA/PCI	O
-based	O
system	O
with	O
six	O
expansion	B-Device
slots	I-Device
that	O
uses	O
the	O
Pentium	B-Device
Pro	I-Device
CPU	O
clocked	O
at	O
150	O
or	O
200MHz	O
.	O
</s>
<s>
The	O
PC	O
365	O
is	O
an	O
ISA/PCI	O
-based	O
multiprocessor	O
system	O
with	O
five	O
expansion	B-Device
slots	I-Device
.	O
</s>
<s>
It	O
supports	O
dual	O
Pentium	B-Device
Pro	I-Device
processors	O
clocked	O
at	O
180	O
or	O
200MHz	O
.	O
</s>
<s>
The	O
case	O
has	O
five	O
drive	O
bays	O
and	O
either	O
two	O
ISA	B-Architecture
or	O
PCI	B-Protocol
slots	I-Protocol
,	O
plus	O
an	O
additional	O
three	O
of	O
which	O
are	O
shared	O
ISA/PCI	O
slots	O
.	O
</s>
<s>
These	O
systems	O
used	O
the	O
Intel	B-Device
Pentium	I-Device
processor	I-Device
with	O
clock	O
frequencies	O
of	O
75	O
,	O
90	O
,	O
100	O
,	O
133	O
and	O
166MHz	O
.	O
</s>
<s>
Options	O
were	O
either	O
PCI/ISA	O
or	O
PCI/MCA	O
.	O
</s>
<s>
The	O
ISA	B-Architecture
or	O
MCA	B-Device
bus	I-Device
would	O
be	O
connected	O
to	O
the	O
PCI	B-Protocol
bus	I-Protocol
using	O
a	O
PCI	B-Protocol
to	O
ISA/MCA	O
bridge	O
.	O
</s>
<s>
The	O
advantage	O
of	O
this	O
is	O
that	O
even	O
operating	O
systems	O
without	O
MCA	B-Device
support	O
worked	O
on	O
the	O
system	O
,	O
as	O
long	O
as	O
the	O
MCA	B-Device
portion	O
was	O
not	O
required	O
.	O
</s>
<s>
It	O
has	O
a	O
Pentium	B-Device
processor	I-Device
clocked	O
at	O
speeds	O
ranging	O
from	O
100	O
to	O
166MHz	O
and	O
was	O
shipped	O
with	O
a	O
Mwave	B-General_Concept
modem/sound	O
card	O
.	O
</s>
<s>
The	O
300PL	O
used	O
three	O
models	O
of	O
processors	O
during	O
its	O
lifetime	O
,	O
the	O
Pentium	B-Device
MMX	O
,	O
Pentium	B-General_Concept
II	I-General_Concept
and	O
Pentium	B-General_Concept
III	I-General_Concept
.	O
</s>
<s>
Models	O
using	O
the	O
Pentium	B-Device
MMX	O
came	O
in	O
speeds	O
of	O
166	O
,	O
200	O
and	O
233MHz	O
;	O
models	O
using	O
the	O
Pentium	B-General_Concept
II	I-General_Concept
came	O
in	O
speeds	O
of	O
266	O
,	O
300	O
,	O
333	O
,	O
350	O
,	O
400	O
or	O
450MHz	O
;	O
and	O
models	O
using	O
the	O
Pentium	B-General_Concept
III	I-General_Concept
came	O
in	O
speeds	O
of	O
450	O
,	O
500	O
,	O
533	O
,	O
550	O
,	O
600	O
,	O
667	O
,	O
733	O
,	O
800	O
or	O
866MHz	O
.	O
</s>
<s>
The	O
PC	O
300GL	O
used	O
the	O
Celeron	B-Device
,	O
Pentium	B-Device
I	O
,	O
Pentium	B-General_Concept
II	I-General_Concept
and	O
Pentium	B-General_Concept
III	I-General_Concept
throughout	O
its	O
lifetime	O
.	O
</s>
<s>
Celeron-based	O
models	O
had	O
processors	O
clocked	O
at	O
333	O
,	O
366	O
,	O
433	O
,	O
466	O
,	O
500	O
or	O
533MHz	O
;	O
Pentium	B-Device
I	O
models	O
had	O
processors	O
clocked	O
at	O
133	O
,	O
or	O
166MHz	O
;	O
Pentium	B-Device
II-based	O
models	O
had	O
processors	O
clocked	O
at	O
350	O
,	O
400	O
,	O
450MHz	O
;	O
and	O
Pentium	B-Device
III-based	O
models	O
had	O
processors	O
clocked	O
at	O
450	O
,	O
500	O
,	O
533	O
,	O
550	O
,	O
600	O
,	O
667	O
,	O
733	O
,	O
800	O
or	O
866MHz	O
.	O
</s>
<s>
There	O
were	O
two	O
variants	O
of	O
the	O
desktop	O
case	O
,	O
one	O
with	O
two	O
expansion	B-Device
slots	I-Device
and	O
one	O
with	O
four	O
.	O
</s>
<s>
The	O
micro-tower	O
case	O
had	O
four	O
expansion	B-Device
slots	I-Device
and	O
four	O
drive	O
bays	O
.	O
</s>
<s>
The	O
PC	O
300XL	O
uses	O
the	O
Pentium	B-Device
MMX	O
clocked	O
at	O
233MHz	O
,	O
or	O
the	O
Pentium	B-General_Concept
II	I-General_Concept
clocked	O
at	O
233	O
,	O
266	O
or	O
300MHz	O
.	O
</s>
