IBM 887022X Installation Guide - Page 87

Device, Suggested, action, Universal, Serial, ports

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Device Universal Serial Bus (USB) ports A USB device does not work. Suggested action Verify that: 1. You are not trying to use a USB device during POST, if you have a standard (non-USB) keyboard attached to the keyboard port. Note: If a standard (non-USB) keyboard is attached to the keyboard port, then the USB is disabled and the USB device might not work during POST. 2. The correct USB device driver is installed. 3. Your operating system supports USB devices. Note: When two servers are connected in a 16-way configuration, the DVD-ROM, diskette drive, keyboard port, USB ports (except for Remote Supervisor Adapter II-EXA functionality), mouse, and video are disabled on the secondary server. If the problem remains, call for service. Chapter 6. Solving problems 75

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Device
Suggested
action
Universal
Serial
Bus
(USB)
ports
Verify
that:
1.
You
are
not
trying
to
use
a
USB
device
during
POST,
if
you
have
a
standard
(non-USB)
keyboard
attached
to
the
keyboard
port.
Note:
If
a
standard
(non-USB)
keyboard
is
attached
to
the
keyboard
port,
then
the
USB
is
disabled
and
the
USB
device
might
not
work
during
POST.
2.
The
correct
USB
device
driver
is
installed.
3.
Your
operating
system
supports
USB
devices.
Note:
When
two
servers
are
connected
in
a
16-way
configuration,
the
DVD-ROM,
diskette
drive,
keyboard
port,
USB
ports
(except
for
Remote
Supervisor
Adapter
II-EXA
functionality),
mouse,
and
video
are
disabled
on
the
secondary
server.
If
the
problem
remains,
call
for
service.
A
USB
device
does
not
work.
Chapter
6.
Solving
problems
75