HP 7942 Service Manual page 88

READOUT
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Table 4- 2. Disc Drive (Unit 0) Self -Test Subtest List (Continued)
SUBTEST
Service Inf orma tion
7942 and 7946
ECC uncorrectable test, read operation failed or value read indicated that
correction was attempted.
Product number, cannot be read.
Product number, value read was unitialized.
Product number, wrong number.
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