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7-8 Troubleshooting
On-screen error message
9006 HW Memory Test failed.
9064 Mixed CPU Steppings
detected.
9090-9097
Cause
Memory is faulty.
Different CPU steppings are
found.
A memory error has
occurred, or memory is
faulty.
Action
Replace the DIMM. If replacing it
does not help, replace the
CPU/IO module.
Check supported CPUs and
replace them. If replacing the
CPU does not help, replace
CPU/IO module.
(a) Verify that the memory is
mounted properly.
(b) Replace the memory. If this
does not help, replace the
module.
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Table of Contents
Troubleshooting
