>>ProFile controller boards, Zilog Z8613 with a "piggyback" ROM chip
>341-0286 is a normal "operating" ROM. The -A being a later version.
Since labels on EPROMs don't always match their contents, I suppose I should qualify that and say that I believe it is "highly probable" that it is the normal operating ROM.
I believe that an easy way to tell is by powering it up: If it tries to perform the surface scan (stepping across the entire disk), then it is (AFAIK) an operating ROM.
"Not performing the scan" is not proof of an LLF ROM of course, as various problems can prevent it.
HTH, James
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