IBM 8671 Hardware Maintenance Manual - Page 71

Notes, Start, Options

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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 the switch or jumper settings on your adapter, follow the instructions that come with the adapter. v You can install full-length adapters and non-hot-plug adapters in any expansion slot. v The 32-bit PCI slot supports 5.0 V signaling PCI adapters; it does not support 3.3 V signaling adapters. v The 64-bit PCI-X slots 2 through 6 support 3.3 V signaling PCI or PCI-X adapters; they do not support 5.0 V signaling adapters. v The PCI bus configuration is: - Non-hot-plug, 32-bit PCI slot 1 is on PCI bus A, 33 MHz - Non-hot-plug, 64-bit PCI-X slots 2 and 3, and the integrated Ethernet controller, are on PCI bus B, 100 MHz (independent of slot 4) - Non-hot-plug, 64-bit PCI-X slot 4 and the integrated SCSI controller with RAID capabilities are on PCI bus B, 100 MHz (independent of slots 2 and 3) - Hot-plug, 64-bit PCI-X slot 5 is on PCI bus C, 133 MHz (independent of slot 6) - Hot-plug, 64-bit PCI-X slot 6 is on PCI bus C, 133 MHz (independent of slot 5) Notes: 1. PCI bus A is often referred to as bus 0; PCI bus B is often referred to as bus 1 and bus 2; and PCI bus C is often referred to as bus 3 and bus 5. However, the bus numbers vary according to the adapters that are installed. 2. If an optional ServeRAID-5i controller is installed, it overrides the standard functionality of the integrated SCSI controller with RAID capabilities and forces PCI-X slot 4 to 66 MHz. The ServeRAID-5i controller must be installed in slot 4 using the 3-U bracket that comes with the controller. However, if a ServeRAID-5i controller is installed and later removed, you must re-enable the on-board SCSI controller in using the Configuration/Setup Utility program (see "Starting the Configuration/Setup Utility program" on page 15). 3. The integrated SCSI controller with RAID capabilities is on PCI bus B. v The optional IBM Remote Supervisor Adapter must be installed in PCI slot 1 only. Use the ribbon cable that comes with the adapter to connect the adapter to the Remote Supervisor Adapter connector (J27) on the system board. v The system scans PCI and PCI-X slots 1 through 6 to assign system resources. The system then starts (boots) the system devices in the following order, if you have not changed the default boot precedence: integrated SCSI controller with RAID capabilities (or optional ServeRAID-5i controller), integrated Ethernet controller, and then PCI and PCI-X slots 1 through 6. Note: To change the boot precedence for PCI and PCI-X devices, start the Configuration/Setup Utility program and select Start Options from the main menu (see "Starting the Configuration/Setup Utility program" on page 15). v The Active PCI-X slots contain: - Power-on LEDs - Internal attention LEDs - External attention LEDs Chapter 4. Customer replaceable units 61

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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
the
switch
or
jumper
settings
on
your
adapter,
follow
the
instructions
that
come
with
the
adapter.
v
You
can
install
full-length
adapters
and
non-hot-plug
adapters
in
any
expansion
slot.
v
The
32-bit
PCI
slot
supports
5.0
V
signaling
PCI
adapters;
it
does
not
support
3.3
V
signaling
adapters.
v
The
64-bit
PCI-X
slots
2
through
6
support
3.3
V
signaling
PCI
or
PCI-X
adapters;
they
do
not
support
5.0
V
signaling
adapters.
v
The
PCI
bus
configuration
is:
–
Non-hot-plug,
32-bit
PCI
slot
1
is
on
PCI
bus
A,
33
MHz
–
Non-hot-plug,
64-bit
PCI-X
slots
2
and
3,
and
the
integrated
Ethernet
controller,
are
on
PCI
bus
B,
100
MHz
(independent
of
slot
4)
–
Non-hot-plug,
64-bit
PCI-X
slot
4
and
the
integrated
SCSI
controller
with
RAID
capabilities
are
on
PCI
bus
B,
100
MHz
(independent
of
slots
2
and
3)
–
Hot-plug,
64-bit
PCI-X
slot
5
is
on
PCI
bus
C,
133
MHz
(independent
of
slot
6)
–
Hot-plug,
64-bit
PCI-X
slot
6
is
on
PCI
bus
C,
133
MHz
(independent
of
slot
5)
Notes:
1.
PCI
bus
A
is
often
referred
to
as
bus
0;
PCI
bus
B
is
often
referred
to
as
bus
1
and
bus
2;
and
PCI
bus
C
is
often
referred
to
as
bus
3
and
bus
5.
However,
the
bus
numbers
vary
according
to
the
adapters
that
are
installed.
2.
If
an
optional
ServeRAID-5i
controller
is
installed,
it
overrides
the
standard
functionality
of
the
integrated
SCSI
controller
with
RAID
capabilities
and
forces
PCI-X
slot
4
to
66
MHz.
The
ServeRAID-5i
controller
must
be
installed
in
slot
4
using
the
3-U
bracket
that
comes
with
the
controller.
However,
if
a
ServeRAID-5i
controller
is
installed
and
later
removed,
you
must
re-enable
the
on-board
SCSI
controller
in
using
the
Configuration/Setup
Utility
program
(see
“Starting
the
Configuration/Setup
Utility
program”
on
page
15).
3.
The
integrated
SCSI
controller
with
RAID
capabilities
is
on
PCI
bus
B.
v
The
optional
IBM
Remote
Supervisor
Adapter
must
be
installed
in
PCI
slot
1
only.
Use
the
ribbon
cable
that
comes
with
the
adapter
to
connect
the
adapter
to
the
Remote
Supervisor
Adapter
connector
(J27)
on
the
system
board.
v
The
system
scans
PCI
and
PCI-X
slots
1
through
6
to
assign
system
resources.
The
system
then
starts
(boots)
the
system
devices
in
the
following
order,
if
you
have
not
changed
the
default
boot
precedence:
integrated
SCSI
controller
with
RAID
capabilities
(or
optional
ServeRAID-5i
controller),
integrated
Ethernet
controller,
and
then
PCI
and
PCI-X
slots
1
through
6.
Note:
To
change
the
boot
precedence
for
PCI
and
PCI-X
devices,
start
the
Configuration/Setup
Utility
program
and
select
Start
Options
from
the
main
menu
(see
“Starting
the
Configuration/Setup
Utility
program”
on
page
15).
v
The
Active
PCI-X
slots
contain:
–
Power-on
LEDs
–
Internal
attention
LEDs
–
External
attention
LEDs
Chapter
4.
Customer
replaceable
units
61