IBM 7979B1U User Manual - Page 55

riser, Attention

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Note: If you have replaced the PCI Express riser-card assembly with the optional PCI-X riser-card assembly, slots 1 and 2 are non-hot-plug, 64-bit, 133-MHz PCI-X slots, which support Integrated xSeries Adapter (IXA) single-width adapters. v The system scans devices in the following order, if you have not changed the default boot precedence: integrated Ethernet controllers, integrated SAS controller, and then PCI slots 1, 2, 3, and 4. PCI riser card The following illustration shows the location of the adapter expansion slots on the PCI riser card. Note: For clarity, the riser-card assembly is inverted in the illustration. PCI adapter connectors To install an adapter, complete the following steps: 1. Read the safety information that begins on page vii and "Installation guidelines" on page 28. 2. Turn off the server and peripheral devices and disconnect all power cords and external cables (see "Turning off the server" on page 13). Attention: In a dc power environment, only trained service personnel other than IBM service technicians are authorized to connect or disconnect power to the dc power supply. See the documentation that comes with each dc power supply. 3. Remove the cover (see "Removing the cover" on page 31). 4. Determine which expansion slot you will use for the adapter. 5. If you are installing an adapter in PCI slot 1 or 2, remove the PCI riser-card assembly (see "Removing the riser-card assembly" on page 32). Chapter 2. Installing optional devices 39

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Note:
If
you
have
replaced
the
PCI
Express
riser-card
assembly
with
the
optional
PCI-X
riser-card
assembly,
slots
1
and
2
are
non-hot-plug,
64-bit,
133-MHz
PCI-X
slots,
which
support
Integrated
xSeries
Adapter
(IXA)
single-width
adapters.
v
The
system
scans
devices
in
the
following
order,
if
you
have
not
changed
the
default
boot
precedence:
integrated
Ethernet
controllers,
integrated
SAS
controller,
and
then
PCI
slots
1,
2,
3,
and
4.
PCI
riser
card
The
following
illustration
shows
the
location
of
the
adapter
expansion
slots
on
the
PCI
riser
card.
Note:
For
clarity,
the
riser-card
assembly
is
inverted
in
the
illustration.
PCI adapter
connectors
To
install
an
adapter,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
vii
and
“Installation
guidelines”
on
page
28.
2.
Turn
off
the
server
and
peripheral
devices
and
disconnect
all
power
cords
and
external
cables
(see
“Turning
off
the
server”
on
page
13).
Attention:
In
a
dc
power
environment,
only
trained
service
personnel
other
than
IBM
service
technicians
are
authorized
to
connect
or
disconnect
power
to
the
dc
power
supply.
See
the
documentation
that
comes
with
each
dc
power
supply.
3.
Remove
the
cover
(see
“Removing
the
cover”
on
page
31).
4.
Determine
which
expansion
slot
you
will
use
for
the
adapter.
5.
If
you
are
installing
an
adapter
in
PCI
slot
1
or
2,
remove
the
PCI
riser-card
assembly
(see
“Removing
the
riser-card
assembly”
on
page
32).
Chapter
2.
Installing
optional
devices
39