Filter
Top Products
Diagnostic tools 64
For more information or to download the utility, refer to the HP website
(http://www.hp.com/servers/diags
).
USB support
HP provides both standard USB support and legacy USB support. Standard support is provided by the
operating system through the appropriate USB device drivers. HP provides support for USB devices before
the operating system loads through legacy USB support, which is enabled by default in the system ROM.
HP hardware supports USB version 1.1 or 2.0, depending on the version of the hardware.
Legacy USB support provides USB functionality in environments where USB support is normally not
available. Specifically, HP provides legacy USB functionality for:
• POST
• RBSU
• Diagnostics
• DOS
• Operating environments which do not provide native USB support
For more information on ProLiant USB support, refer to the HP website
(http://h18004.www1.hp.com/products/servers/platforms/usb-support.html
).
Troubleshooting the system using port 85 codes
1. Locate the port 85 code display.
IMPORTANT: Be sure the port 84/85 switch is set to display port 85 codes.
2. Locate the code in the following table.
For example, if the port 85 code displays "31h," see "Processor-related port 85 codes (on page
64)" for more information.
Port 85 code Description
3xh
Port 85 codes in this format indicate processor-related errors. See "Processor-
related port 85 codes (on page 64)" for more information.
4xh
Port 85 codes in this format indicate memory-related errors. See "Memory-related
port 85 codes (on page 66)" for more information.
6xh
Port 85 codes in this format indicate expansion board-related errors. See
"Expansion board-related port 85 codes (on page 65)" for more information.
All other codes,
including 00h, 01h,
and 5xh
Port 85 codes in this range cover several areas. See the section "Miscellaneous
port 85 codes (on page 66)" for more information.
3. Reference the designated section in this guide for the appropriate troubleshooting steps.
Processor-related port 85 codes
Processor-related port 85 codes display in the format 3xh.
IMPORTANT: Reboot the server after completing each numbered step. If the error condition continues,
proceed with the next step.
To troubleshoot processor-related error codes: