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Service Information
7942 and 7946
Table 4-1. Host Dependent Controller (Unit 2) Self -Test Subtest List
READOUT
(HEX)
88
01
02
03
04
05
06
07
4-14
SUBTEST
GROUP 1
Microprocessor failed.
Test of the first 1 kilobyte of RAM failed.
Checksum of EXEC EPROM failed.
Test of last 15 kilobyte of RAM failed.
DMA machine test failed.
HDC timer circuitry not within specification.
HP-IB interface test failed.
Configuration failure - cannot find a valid unit
O.
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