System
Features
The
Model
6C3
and
Model
6E3
support
many
of
the
same
features.
The
following
figure
shows
the
back
of
the
two
system
units.
Both
system
units
have
the
same
layout
from
the
rear.
When
the
features
are
described
in
this
section,
the
descriptions
apply
to
both
models.
Bus
Architecture
Six
PCI-X
slots
are
available.
Four
of
these
slots
(1,
4,
5,
and
6)
are
64-bit
capable
at
133
MHz,
3.3
volts.
The
remaining
PCI-X
slots
(2
and
3)
are
32-bit
capable
at
66
MHz,
3.3
volts.
The
slots
are
numbered
on
the
rear
of
the
chassis
from
left
to
right
or
top
to
bottom,
1
through
6.
All
64-bit
PCI-X
slots
are
capable
of
running
either
64-bit
or
32-bit
adapters.
However,
a
32-bit
adapter
operates
in
a
32-bit
mode
and
shows
no
performance
advantage
while
running
in
a
64-bit
slot.
The
following
illustration
shows
the
PCI
adapter
slot
locations
when
viewing
from
the
rear
of
the
system.
Model 6E3
Model 6C3
1
3
2
4 5 6
1
2
3
4
5
6
Processors
v
One-way
and
two-way
processor
DCMs
(double
chip
modules)
are
available.
v
An
8MB
L3
cache
is
contained
in
the
processor
DCM.
Memory
v
1
GB
to
16
GB
ECC
(error
code
correction)
DDR
(double
data
rate)
SDRAM
(synchronous
dynamic
random-access
memory)
v
Memory
DIMMs
plug
into
the
system
backplane
(8
DIMM
slots).
v
DIMMs
must
be
populated
in
quads
(a
single
memory
feature
contains
four
DIMMs).
v
Memory
quads
can
be
different
memory
sizes.
v
A
system
can
have
a
maximum
of
16
GB
of
memory.
2
Eserver
pSeries
615
Service
Guide
Summary of Contents for P 615 series
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