IBM 867661X Hardware Maintenance Manual - Page 60

Memory, technology, transition

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Complete the following steps to install a non-hot-swap hard disk drive: Drive bay 2 Drive bay 1 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 cover (see "Removing the cover and bezel" on page 44). 4. Press in on the USB option tray to release it and slide the tray out until it stops; then, press the retention clip at the bottom rear of the tray and remove the tray from the server. Press on the bezel retention tabs and pull the bezel directly away from the server. Notes: a. If you have only one non-hot-swap hard disk drive, install it in the right-hand bay (bay 2) with a jumper installed in the cable-selection-enabled position of the jumper block on the rear of the drive. b. If you have two drives and you want the server to determine the master drive and subordinate drive automatically, install jumpers in the cable-selection-enabled position of the jumper block on both drives. c. If you want to assign master and subordinate drives manually, install a jumper in the master position for the drive in bay 2 and install a jumper in the subordinate position for the drive in bay 1. 5. Install the hard disk drive in the drive bay: a. Attach the rails to the sides of the drive using 2 screws for each rail. b. Slide the drive into the bay until the rail latches snap into place. c. Connect the signal and power cables to the rear of the drive. Keep the cables clear of the airflow path of the fan behind the drive bays. 6. If you have other options to install, install them now. Otherwise, go to "Completing the installation" on page 59. Memory technology transition IBM xSeries 335 is making a transition from 128 Mb to 256 Mb memory technology for 256 MB dual inline memory modules (DIMMs). To accommodate this transition, additional xSeries models are now available. These new models come with two 256 MB capacity, 256 Mb technology DIMMs. The Chipkill™ feature that is supported with the 256 MB capacity, 128 Mb technology DIMMs is not supported with the 256 Mb technology DIMMs. If you require DIMMs that support the Chipkill feature, a limited supply of the 256 MB, 128 Mb technology DIMMs will be available for order. In addition, IBM will continue to offer the Chipkill feature with DIMMs that have a capacity of 512 MB or greater. 50 xSeries 335 Type 8676, Type 8830: Hardware Maintenance Manual and Troubleshooting Guide

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Complete
the
following
steps
to
install
a
non-hot-swap
hard
disk
drive:
Drive bay 1
Drive bay 2
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
cover
(see
“Removing
the
cover
and
bezel”
on
page
44).
4.
Press
in
on
the
USB
option
tray
to
release
it
and
slide
the
tray
out
until
it
stops;
then,
press
the
retention
clip
at
the
bottom
rear
of
the
tray
and
remove
the
tray
from
the
server.
Press
on
the
bezel
retention
tabs
and
pull
the
bezel
directly
away
from
the
server.
Notes:
a.
If
you
have
only
one
non-hot-swap
hard
disk
drive,
install
it
in
the
right-hand
bay
(bay
2)
with
a
jumper
installed
in
the
cable-selection-enabled
position
of
the
jumper
block
on
the
rear
of
the
drive.
b.
If
you
have
two
drives
and
you
want
the
server
to
determine
the
master
drive
and
subordinate
drive
automatically,
install
jumpers
in
the
cable-selection-enabled
position
of
the
jumper
block
on
both
drives.
c.
If
you
want
to
assign
master
and
subordinate
drives
manually,
install
a
jumper
in
the
master
position
for
the
drive
in
bay
2
and
install
a
jumper
in
the
subordinate
position
for
the
drive
in
bay
1.
5.
Install
the
hard
disk
drive
in
the
drive
bay:
a.
Attach
the
rails
to
the
sides
of
the
drive
using
2
screws
for
each
rail.
b.
Slide
the
drive
into
the
bay
until
the
rail
latches
snap
into
place.
c.
Connect
the
signal
and
power
cables
to
the
rear
of
the
drive.
Keep
the
cables
clear
of
the
airflow
path
of
the
fan
behind
the
drive
bays.
6.
If
you
have
other
options
to
install,
install
them
now.
Otherwise,
go
to
“Completing
the
installation”
on
page
59.
Memory
technology
transition
IBM
xSeries
335
is
making
a
transition
from
128
Mb
to
256
Mb
memory
technology
for
256
MB
dual
inline
memory
modules
(DIMMs).
To
accommodate
this
transition,
additional
xSeries
models
are
now
available.
These
new
models
come
with
two
256
MB
capacity,
256
Mb
technology
DIMMs.
The
Chipkill
™
feature
that
is
supported
with
the
256
MB
capacity,
128
Mb
technology
DIMMs
is
not
supported
with
the
256
Mb
technology
DIMMs.
If
you
require
DIMMs
that
support
the
Chipkill
feature,
a
limited
supply
of
the
256
MB,
128
Mb
technology
DIMMs
will
be
available
for
order.
In
addition,
IBM
will
continue
to
offer
the
Chipkill
feature
with
DIMMs
that
have
a
capacity
of
512
MB
or
greater.
50
xSeries
335
Type
8676,
Type
8830:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide