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Adapter Power-On Self-Tests (POSTs)
Power-on self-tests (POSTs) are resident in the SSA adapter. These tests ensure that
the adapter does not run the functional code until the hardware that uses the code has
been tested. The hardware consists of only the adapter card, memory module, and, if
installed, Fast-Write Cache Option Card and battery. Some POST failures cause the
adapter to become unavailable to the using system. Other POST failures allow the
adapter to be available, although some function might not be enabled. The particular
tests that are run are related to the type of SSA adapter that is being used. If a POST
fails and prevents the adapter from becoming available, exchange the adapter card for
a new one. If a POST fails, but does not prevent the adapter from becoming available,
an error is logged. That error indicates which FRUs must be exchanged for new FRUs.
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Chapter 14. SSA Adapter Information
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