On Fri, 4 Jul 2025, Wayne S via cctalk wrote:
This is similar to an IBM mainframe story i have.
IBM 370 wouldn’t IMPL.
CE and FE couldn’t figure it out.
They called in a “Special Consultant.”
I
Came in with a briefcase that contained his “tools”, which was a big brush that you would
use for light plaster work and a wood mallet.
He proceeded to sweep the brush across the wirewrap backplane and a wire cam loose.
He replaced the wire and all was good again.
I never found out what the mallet was used for.
. . . and a piece of chalk?
measure from top edge, measure from side edge.
Make a chalk mark.
Hit with mallet.
"$1 for hitting with mallet; $499 for knowing where to hit"