Diagnostic tools 85
Port 85 code Description
3xh Port 85 codes in this format indicate processor-related errors. Refer to
"Processor-related port 85 codes (on page 85)" for more information.
4xh Port 85 codes in this format indicate memory-related errors. Refer to "Memory-
related port 85 codes (on page 86
)" for more information.
6xh Port 85 codes in this format indicate expansion board-related errors. Refer to
"Expansion board-related port 85 codes (on page 87
)" for more information.
All other codes,
including 00h, 01h,
and 5xh
Port 85 codes in this range cover several areas. Refer to the section
"Miscellaneous port 85 codes (on page 88
)" for more information.
Processor-related port 85 codes
Processor-related port 85 codes display on the media board 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:
1. Bring the server to base configuration by removing all components that are
not required by the server to complete POST. This process can include
removing all:
– Expansion boards ("Removing a non-hot-plug expansion board" on page
33
, "Removing a PCI-X Hot Plug expansion board" on page 57)
– Processors ("Removing a processor" on page 26
), except the processor
installed in socket 1
IMPORTANT: Processor socket 1 and PPM slot 1 must be
populated at all times or the server will not function properly.
– PPMs ("Removing a PPM" on page 29), except the PPM installed in slot
1
– DIMMS ("Removing DIMMs" on page 76
), except the first bank from
one memory board
– Hard drives ("Removing a hot-plug SCSI hard drive" on page 50
)
– Peripheral devices
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