IBM 8676 Hardware Maintenance Manual - Page 55

Working, adapters, Adapter, considerations

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Working with adapters This section describes how to install an adapter in the server. Before you continue with the adapter-installation procedures, review "Adapter considerations." Adapter considerations v Read the documentation that comes with your operating system. v Locate the documentation that comes with the adapter and follow those instructions in addition to the instructions in this chapter. If you need to change switch settings or jumper settings on the adapter, follow the instructions that come with the adapter. v The server comes with two 64-bit 100 MHz peripheral component interconnect-extended (PCI-X) adapter expansion slots on the system board. The server is designed specifically for PCI-X adapter support, but it also supports PCI adapters. v The expansion slots support both 32-bit and 64-bit adapters. You can install half-length adapters in slot 1. You can install full-length adapters in slot 2. v The server supports 3.3 V and universal PCI and PCI-X adapters; it does not support 5.0 V-only adapters. v PCI-X slot 2 and the integrated SCSI controller are on PCI-X bus A (bus 0). The integrated Ethernet controllers are on PCI-X bus B (bus 1). The integrated video controller is on PCI bus C (bus 2). PCI-X slot 1 is switchable between PCI-X bus B and PCI bus C. Note: If no jumper is installed on jumper block J12, the server determines automatically the optimal bus to which to attach PCI-X slot 1. If you install a jumper between pins 1 and 2 on J12, PCI-X slot 1 is forced to PCI bus C. If you install the jumper between pins 2 and 3 on J12, PCI-X slot 1 is forced to PCI-X bus B. If you force slot 1 to bus B and you install an adapter that runs at less than 100 MHz in the slot, the integrated Ethernet controllers are forced to run at the slower speed. If the PCI/PCI-X LED on the system board (CR1; see "System-board LEDs" on page 42) is on, the slot is operating on bus B; if the LED is not lit, the slot is operating on bus C. v The server scans PCI-X slots 1 and 2 to assign system resources. By default, the server starts (boots) devices in the following order: system IDE and SCSI devices; then, PCI and PCI-X devices. Note: To change the boot precedence for PCI and PCI-X devices you must disable the devices through the Configuration/Setup Utility program. Start the Configuration/Setup Utility program and select Start Options from the main menu. Then, select the Startup Sequence Options and use the arrow keys to specify the startup order. v If you plan to install either an optional SCSI adapter or an optional RAID adapter, you can install it in either of the PCI-X slots if the size of the adapter permits. The server supports a variety of RAID adapters for both internal and external configurations. For the most current list of supported RAID adapters, go to http://www.ibm.com/pc/us/compat/ on the World Wide Web. For details about installing a RAID adapter, see the documentation that comes with the adapter. Chapter 4. Customer replaceable units 45

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Working
with
adapters
This
section
describes
how
to
install
an
adapter
in
the
server.
Before
you
continue
with
the
adapter-installation
procedures,
review
“Adapter
considerations.”
Adapter
considerations
v
Read
the
documentation
that
comes
with
your
operating
system.
v
Locate
the
documentation
that
comes
with
the
adapter
and
follow
those
instructions
in
addition
to
the
instructions
in
this
chapter.
If
you
need
to
change
switch
settings
or
jumper
settings
on
the
adapter,
follow
the
instructions
that
come
with
the
adapter.
v
The
server
comes
with
two
64-bit
100
MHz
peripheral
component
interconnect-extended
(PCI-X)
adapter
expansion
slots
on
the
system
board.
The
server
is
designed
specifically
for
PCI-X
adapter
support,
but
it
also
supports
PCI
adapters.
v
The
expansion
slots
support
both
32-bit
and
64-bit
adapters.
You
can
install
half-length
adapters
in
slot
1.
You
can
install
full-length
adapters
in
slot
2.
v
The
server
supports
3.3
V
and
universal
PCI
and
PCI-X
adapters;
it
does
not
support
5.0
V-only
adapters.
v
PCI-X
slot
2
and
the
integrated
SCSI
controller
are
on
PCI-X
bus
A
(bus
0).
The
integrated
Ethernet
controllers
are
on
PCI-X
bus
B
(bus
1).
The
integrated
video
controller
is
on
PCI
bus
C
(bus
2).
PCI-X
slot
1
is
switchable
between
PCI-X
bus
B
and
PCI
bus
C.
Note:
If
no
jumper
is
installed
on
jumper
block
J12,
the
server
determines
automatically
the
optimal
bus
to
which
to
attach
PCI-X
slot
1.
If
you
install
a
jumper
between
pins
1
and
2
on
J12,
PCI-X
slot
1
is
forced
to
PCI
bus
C.
If
you
install
the
jumper
between
pins
2
and
3
on
J12,
PCI-X
slot
1
is
forced
to
PCI-X
bus
B.
If
you
force
slot
1
to
bus
B
and
you
install
an
adapter
that
runs
at
less
than
100
MHz
in
the
slot,
the
integrated
Ethernet
controllers
are
forced
to
run
at
the
slower
speed.
If
the
PCI/PCI-X
LED
on
the
system
board
(CR1;
see
“System-board
LEDs”
on
page
42)
is
on,
the
slot
is
operating
on
bus
B;
if
the
LED
is
not
lit,
the
slot
is
operating
on
bus
C.
v
The
server
scans
PCI-X
slots
1
and
2
to
assign
system
resources.
By
default,
the
server
starts
(boots)
devices
in
the
following
order:
system
IDE
and
SCSI
devices;
then,
PCI
and
PCI-X
devices.
Note:
To
change
the
boot
precedence
for
PCI
and
PCI-X
devices
you
must
disable
the
devices
through
the
Configuration/Setup
Utility
program.
Start
the
Configuration/Setup
Utility
program
and
select
Start
Options
from
the
main
menu.
Then,
select
the
Startup
Sequence
Options
and
use
the
arrow
keys
to
specify
the
startup
order.
v
If
you
plan
to
install
either
an
optional
SCSI
adapter
or
an
optional
RAID
adapter,
you
can
install
it
in
either
of
the
PCI-X
slots
if
the
size
of
the
adapter
permits.
The
server
supports
a
variety
of
RAID
adapters
for
both
internal
and
external
configurations.
For
the
most
current
list
of
supported
RAID
adapters,
go
to
on
the
World
Wide
Web.
For
details
about
installing
a
RAID
adapter,
see
the
documentation
that
comes
with
the
adapter.
Chapter
4.
Customer
replaceable
units
45