Small supplier emailed back promptly [think of all the pca readers STILL waiting for replies from the BIG suppliers] with the news that it's on the back of the unit - which numbers to use and which letter to add. This was complete with exhortation to be extremely careful. So I had the bios pword all the time but not the wit to find it. Remain very grateful that I bought this PC from a family concern- AND it was super economical financially!
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