IBM xSeries 100, Руководство по диагностике и обслуживанию

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Universal Serial Bus (USB) port problems
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v
See Chapter 3, “Parts listing, xSeries 100 Type 8486,” on page 49 to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Symptom Action
A USB device does not work.
1. Run USB diagnostics (see “Running the diagnostic programs” on page 37).
2. Make sure that:
v The correct USB device driver is installed.
v
The operating system supports USB devices.
v A standard PS/2 keyboard or mouse is not connected to the server. If it is, a
USB keyboard or mouse will not work during POST.
3. Make sure that the USB configuration options are set correctly in the
Configuration/Setup Utility program menu (see the User’s Guide for more
information).
4. If you are using a USB hub, disconnect the USB device from the hub and
connect it directly to the server.
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IBM xSeries 100 Type 8486: Problem Determination and Service Guide