Ahh the good old days… I don’t miss that shit at all.
True fun story… hey my caps lock and ctrl keys are being screwy. hmm not the keyboard. not the system board… office mates machine is working fine… oh this config.sys line needs to be before the other ones.
Not even documented at the vendor… yet.
Though it did save me headache a year later when I was doing dos server and desktop support at Boeing.