IBM 8676 Hardware Maintenance Manual - Page 61

Installing, memory, modules

Get IBM 8676 - Eserver xSeries 335 PDF manuals and user guides
UPC - 087944770107
View all IBM 8676 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 61 highlights

Installing memory modules This section describes how to install memory modules in the server. Before you install memory modules, review the following information: v The xSeries 335 Type 8676 and Type 8830 server uses interleaved dual inline memory modules (DIMMs), which requires that you add, remove, or replace DIMMs in pairs. Each pair must be of the same type, capacity, and speed. Adding memory to the server is an easy way to improve system performance. The server comes with one pair of DIMMs installed in DIMM slots 1 and 2 on the system board. v You can increase the amount of memory in the server by replacing them with higher-capacity DIMMs or installing an additional pair of DIMMs in slots 3 and 4. The server supports 256 MB, 512 MB, and 1 GB DIMMs. See the ServerProven® list at http://www.ibm.com/pc/compat/ on the World Wide Web for a list of memory modules supported by the server. The following illustration shows the memory slots on the system board. DIMM 4 (J37) DIMM 3 (J35) DIMM 2 (J34) DIMM 1 (J32) Complete the following steps to install DIMMs: 1. Read "Safety information" on page 119 and "Installation guidelines" on page 37. 2. Turn off the server and all attached peripheral devices. Disconnect all power cords; then, disconnect all external signal cables from the server. 3. Remove the server from the rack; then, remove the server cover (see "Removing the cover and bezel" on page 44). Attention: v Avoid touching the components and gold-edge connectors on the DIMMs. Ensure that the DIMMs are completely and correctly seated in the slots. Incomplete insertion might cause damage to the system board or to the DIMMs. v When you handle static-sensitive devices, take precautions to avoid damage from static electricity. For information about handling these devices, see "Handling electrostatic discharge-sensitive devices" on page 122. v To avoid breaking the retaining clips or damaging the DIMM slots, handle the clips gently. Do not force the DIMM into the slot. 4. Touch the static-protective package containing the DIMM to any unpainted metal surface on the server. Then, remove the DIMM from the package. Chapter 4. Customer replaceable units 51

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
Installing
memory
modules
This
section
describes
how
to
install
memory
modules
in
the
server.
Before
you
install
memory
modules,
review
the
following
information:
v
The
xSeries
335
Type
8676
and
Type
8830
server
uses
interleaved
dual
inline
memory
modules
(DIMMs),
which
requires
that
you
add,
remove,
or
replace
DIMMs
in
pairs.
Each
pair
must
be
of
the
same
type,
capacity,
and
speed.
Adding
memory
to
the
server
is
an
easy
way
to
improve
system
performance.
The
server
comes
with
one
pair
of
DIMMs
installed
in
DIMM
slots
1
and
2
on
the
system
board.
v
You
can
increase
the
amount
of
memory
in
the
server
by
replacing
them
with
higher-capacity
DIMMs
or
installing
an
additional
pair
of
DIMMs
in
slots
3
and
4.
The
server
supports
256
MB,
512
MB,
and
1
GB
DIMMs.
See
the
ServerProven
®
list
at
on
the
World
Wide
Web
for
a
list
of
memory
modules
supported
by
the
server.
The
following
illustration
shows
the
memory
slots
on
the
system
board.
DIMM 4 (J37)
DIMM 3 (J35)
DIMM 2 (J34)
DIMM 1 (J32)
Complete
the
following
steps
to
install
DIMMs:
1.
Read
“Safety
information”
on
page
119
and
“Installation
guidelines”
on
page
37.
2.
Turn
off
the
server
and
all
attached
peripheral
devices.
Disconnect
all
power
cords;
then,
disconnect
all
external
signal
cables
from
the
server.
3.
Remove
the
server
from
the
rack;
then,
remove
the
server
cover
(see
“Removing
the
cover
and
bezel”
on
page
44).
Attention:
v
Avoid
touching
the
components
and
gold-edge
connectors
on
the
DIMMs.
Ensure
that
the
DIMMs
are
completely
and
correctly
seated
in
the
slots.
Incomplete
insertion
might
cause
damage
to
the
system
board
or
to
the
DIMMs.
v
When
you
handle
static-sensitive
devices,
take
precautions
to
avoid
damage
from
static
electricity.
For
information
about
handling
these
devices,
see
“Handling
electrostatic
discharge-sensitive
devices”
on
page
122.
v
To
avoid
breaking
the
retaining
clips
or
damaging
the
DIMM
slots,
handle
the
clips
gently.
Do
not
force
the
DIMM
into
the
slot.
4.
Touch
the
static-protective
package
containing
the
DIMM
to
any
unpainted
metal
surface
on
the
server.
Then,
remove
the
DIMM
from
the
package.
Chapter
4.
Customer
replaceable
units
51