Hello James,

Am 06.08.2025 um 23:24 schrieb James H. H. Lampert via MIDRANGE-L <midrange-l@xxxxxxxxxxxxxxxxxx>:

But you put our 3489 on an LCD, and parts of letters disappear completely. Not especially uncomfortable, but it becomes even less legible than my penmanship.

Ah, I see. Yes, I remember that I needed to manually adjust some settings to have all letters visible. Autoconfig doesn't cope with the apparent "odd" frequencies being no problem to analog CRTs.

At any rate, I made up a label (I've got whole unopened bags of IBM "cable labels" in a desk drawer) for one of the few bits of blank sheet metal behind MERCURY's front cover, to remind me of what I learned today about going straight to IPL as soon as mirroring shows as "Resuming." I think I should bring some day-glo pink label stock from home, and re-do the label tomorrow.

There's no substitute for proper documentation. :-)

And all I remember is that decades ago, when we had a working 3487, the only mouse in the building that it liked was the genuine IBM InfoWindow II mouse.

Interesting!

:wq! PoC


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