IBM 887022X Installation Guide - Page 39

IBM 887022X - Eserver xSeries 445 Manual

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v Your server scans devices and PCI-X slots to assign system resources in the following order: DVD-ROM drive; disk drives; integrated SCSI devices; PCI-X slots 1, 2, 3, 4, 5, 6; and the integrated Ethernet controller. If an RXE-100 enclosure is attached to the server, the scan continues in sequence with PCI slots 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, and 18. v You can use the Configuration/Setup Utility program to change the sequence and have the server scan one of the first six PCI slots before it scans the integrated devices. You cannot change the scan sequence of the PCI slots in an RXE-100 enclosure. v You can install both PCI and PCI-X adapters in the same bus. However, if you install a PCI adapter and a PCI-X adapter in the same bus, the PCI-X features of the PCI-X adapter will be disabled, and the adapter will function as a PCI adapter. v You can install PCI or PCI-X adapters of speeds faster than what is labeled for a particular PCI-X bus. For example, if you install two 133 MHz adapters into slots that are labeled as 100 MHz slots, the adapters will operate at 100 MHz. v If you install a 33 MHz and a 66 MHz adapter in the same bus, the bus speed will match that of the slowest adapter. v If a single 133 MHz adapter is installed in PCI-X bus B (slot 3 or 4) and the other slot in PCI-X bus B is empty, the adapter will operate at 133 MHz. v Your server supports 3.3 V adapters; it does not support 5.0 V adapters. v Do not install a PCI-X adapter in PCI-X slot 1 if you are going to install the serial port that comes with your server. See "Installing the serial port" on page 31 for instruction for installing the serial port. Note: Before hot-swapping any of the PCI-X adapters, read the information in "Working inside the server with the power on" on page 8. Complete the following steps to install an adapter: 1. Read the safety information beginning on page v and "Installation guidelines" on page 7. 2. Open the top cover. Note: There are six PCI-X slots inside your server: two 66 MHz, two 100 MHz, and two 133 MHz. Before attempting to install a new adapter, be sure that there is an available slot for it. If you need additional PCI-X slots, you can purchase an RXE-100 enclosure through your IBM marketing representative or authorized reseller. Chapter 2. Installing options 27

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v
Your
server
scans
devices
and
PCI-X
slots
to
assign
system
resources
in
the
following
order:
DVD-ROM
drive;
disk
drives;
integrated
SCSI
devices;
PCI-X
slots
1,
2,
3,
4,
5,
6;
and
the
integrated
Ethernet
controller.
If
an
RXE-100
enclosure
is
attached
to
the
server,
the
scan
continues
in
sequence
with
PCI
slots
7,
8,
9,
10,
11,
12,
13,
14,
15,
16,
17,
and
18.
v
You
can
use
the
Configuration/Setup
Utility
program
to
change
the
sequence
and
have
the
server
scan
one
of
the
first
six
PCI
slots
before
it
scans
the
integrated
devices.
You
cannot
change
the
scan
sequence
of
the
PCI
slots
in
an
RXE-100
enclosure.
v
You
can
install
both
PCI
and
PCI-X
adapters
in
the
same
bus.
However,
if
you
install
a
PCI
adapter
and
a
PCI-X
adapter
in
the
same
bus,
the
PCI-X
features
of
the
PCI-X
adapter
will
be
disabled,
and
the
adapter
will
function
as
a
PCI
adapter.
v
You
can
install
PCI
or
PCI-X
adapters
of
speeds
faster
than
what
is
labeled
for
a
particular
PCI-X
bus.
For
example,
if
you
install
two
133
MHz
adapters
into
slots
that
are
labeled
as
100
MHz
slots,
the
adapters
will
operate
at
100
MHz.
v
If
you
install
a
33
MHz
and
a
66
MHz
adapter
in
the
same
bus,
the
bus
speed
will
match
that
of
the
slowest
adapter.
v
If
a
single
133
MHz
adapter
is
installed
in
PCI-X
bus
B
(slot
3
or
4)
and
the
other
slot
in
PCI-X
bus
B
is
empty,
the
adapter
will
operate
at
133
MHz.
v
Your
server
supports
3.3
V
adapters;
it
does
not
support
5.0
V
adapters.
v
Do
not
install
a
PCI-X
adapter
in
PCI-X
slot
1
if
you
are
going
to
install
the
serial
port
that
comes
with
your
server.
See
“Installing
the
serial
port”
on
page
31
for
instruction
for
installing
the
serial
port.
Note:
Before
hot-swapping
any
of
the
PCI-X
adapters,
read
the
information
in
“Working
inside
the
server
with
the
power
on”
on
page
8.
Complete
the
following
steps
to
install
an
adapter:
1.
Read
the
safety
information
beginning
on
page
v
and
“Installation
guidelines”
on
page
7.
2.
Open
the
top
cover.
Note:
There
are
six
PCI-X
slots
inside
your
server:
two
66
MHz,
two
100
MHz,
and
two
133
MHz.
Before
attempting
to
install
a
new
adapter,
be
sure
that
there
is
an
available
slot
for
it.
If
you
need
additional
PCI-X
slots,
you
can
purchase
an
RXE-100
enclosure
through
your
IBM
marketing
representative
or
authorized
reseller.
Chapter
2.
Installing
options
27