1. Forum
  2. USENET
  3. comp.sys.apple2

  • extra slotboard extending a II

    From barana@barana24@hotmail.com to comp.sys.apple2 on Thursday, November 26, 2020 19:27:57
    From Newsgroup: comp.sys.apple2

    In the light of John Brooks' extensions to prodos 2.4/5, " 10) Extend 4-bit unit DSSS0000 (7x slots, 2x drives) to 8-bit DSSSsddd (14x slots, 16x drives) "
    would the II hardware be easily extensable with something as simple as the likes of this busboard + more bus power? http://www.applelogic.org/TheAppleIISlotsBoard.html or are there real limitations as to the bus arbitration logic?
    I have friends with more cards than slots....
    Do I forsee a resurgence in demand of mac II cases?

    --- Synchronet 3.18b-Win32 NewsLink 1.113
  • From waynej...@gmail.com@waynejstewart@gmail.com to comp.sys.apple2 on Sunday, November 29, 2020 13:17:04
    From Newsgroup: comp.sys.apple2

    15-20 years ago I towerized a IIe. As part of that project I wired a board with some slots in parallel with one IIe slot. The idea was to use it with cards that don’t have a slot id. Seemed work well enough.
    --- Synchronet 3.18b-Win32 NewsLink 1.113
  • From Micah Cowan@micahcowan@gmail.com to comp.sys.apple2 on Monday, November 30, 2020 11:34:06
    From Newsgroup: comp.sys.apple2

    The idea was to use it with cards that don’t have a slot id.
    Out of curiosity, what does that mean in this context? Cards that simply snoop bus traffic, without containing firmware ROM to call upon to drive it, nor a need to write to screen holes, etc? What sorts of applications were possible? (I've only had an Apple II since about a year ago - though that one has already become four, heh.)
    --- Synchronet 3.18b-Win32 NewsLink 1.113
  • From waynej...@gmail.com@waynejstewart@gmail.com to comp.sys.apple2 on Wednesday, December 02, 2020 08:39:23
    From Newsgroup: comp.sys.apple2

    Most cards like disk controllers ad printer cards have slot ids. They need a slot to themselves and can’t co-exist with another card. A good example is with the IIe, if you have a card in the Auxiliary slot then most cards won’t work in slot 3. A very few like video cards, accelerators will.
    --- Synchronet 3.18b-Win32 NewsLink 1.113