Apple IIgs Diagnostic Self-Test Error

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Joined: Jul 5 2016
Posts: 30

Hi All,

Can anyone help interpret this IIgs (ROM3) self test error: 01 c2 a3 00 - On a regular start up the IIgs boot up screen is displayed but never changes to 'Check startup device'.

Accord to the docs I found online (see extract below) 01 is a ROM error however I don't believe that is the case as there is no RM in the top left of the screen - I've confirmed this by testing them in a working machine.

ROM Test:G
AA= 01 BB= Failed checksum DD= 01: RAM error

Note: A ROM failure will also be denoted by "RM" in the top left hand corner of the screen.

Cheers!