On 10/24/18 3:01 PM, Tom Horsley wrote: > On Wed, 24 Oct 2018 18:04:37 +0000 > Rick Stevens wrote: > >> Ah, the S-100 bus! Altair! IMSAI! Poly-88s! Vector Graphics! TDL! > > And never forget the switches on cards where you could select > which interrupt to use instead of being forced to try every > possible card in every possible slot to find the combo that > works right with the available drivers once they "improved" > things:-). Or the jumper headers. Even the famous "0-ohm" resistors (a wire with a fake resistor body with a single black band on it). Remember the "/phantom" line (pin 67) to tri-state memory boards so the PROM would present itself, overlying any RAM at that address? BTW, I used to work for Micropolis back in the 70's. I was employee 22 there. Yes, I'm an old fart. Oh my, a trip down memory (or UVEPROM/EEPROM) lane! ---------------------------------------------------------------------- - Rick Stevens, Systems Engineer, AllDigital ricks@xxxxxxxxxxxxxx - - AIM/Skype: therps2 ICQ: 226437340 Yahoo: origrps2 - - - - Polygon: A dead parrot (With apologies to John Cleese) - ---------------------------------------------------------------------- _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx
