hd20 mode

  1. JDW

    Overlocked Turbo040 in Macintosh IIci, 400K & 800K floppies don't work

    I wish to thank David Cook for his excellent post over at the 68kMLA, as that served as my inspiration for overclocking the Daystar Turbo040 in my Mac IIci. Overclocking is done by a mere XTAL swap. (And the Hakko FR-301 desoldering gun makes the job easy, I must say.) Because David was able...
    • JDW
    • Thread
    • 400k 800k daystar femu floppy drive floppyemu hd20 mode mac iici overclocking rom simm t040 turbo040
    • Replies: 2
    • Forum: Macintosh II
  2. JDW

    Calling all Hackers — Mod the HD20 INIT code?

    Folks, I discovered something new with my SE/30 & FloppyEMU last night. I reported it to Steve Chamberlin of BMOW, and he kindly wrote back with the answer. I thought it might be a situation where some of you vintage Mac hackers might get some kicks out of this. BACKGROUND As you know, the...
    • JDW
    • Thread
    • femu floppy drive connector floppyemu hd20 hd20 init hd20 mode se/30 tash20 tashtwenty
    • Replies: 0
    • Forum: Compact Macs
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