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This error appears to cause the POWER MONITOR BIT FOUND SET error during the ZMSP memory test, but I need to validate that.
XXDP test result interpretation
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Work in progress while I learn. |
The tests usually abort to console if something serious happens. This will show the program counter at the error at the console. But the tests will also leave information in memory at given addresses:
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This data can be used together with the test listing to find out what was really wrong. These test listings were available on microfiche, and a DEC engineer had a suitcase with a reader and those fiches. The listings, of course, depend on the exact version of the test used, so you need the correct set of fiches for the test you are executing.
The amazing people at RETROCMP (Jörg Hoppe) have built a fiche scanning device (see here) and scanned an enormous amount of these fiches. And that was not enough: they built a searchable database where you can find the scanned fiches. Amazing.
This database can be found here.
KKAAB0 (CPU and EIS)
This test got back to the console with the following:
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