Hacker News new | ask | show | jobs
by satiated_grue 48 days ago
There was at least one non-identical ISA slot:

https://www.lo-tech.co.uk/wiki/IBM_Personal_Computer_XT_Syst... https://www.lo-tech.co.uk/understanding-pcxt-slot-8/
2 comments
cestith 43 days ago
I used to have a couple of IBM EduQuest machines. The majority of the ISA slots were wrong-handed.
link
M95D 48 days ago
IBM was always special. :-) Aren't they the ones who invented the MCA bus abomination that required a floppy disk to configure each card?
link
trollbridge 48 days ago
You may want to read up on the history of dip switches, jumpers, and plug and play a little bit more.
link