Yes,  it works for me.   Shift to disable extensions.

On Feb 26, 2016 8:16 AM, "Programmingkid" <> wrote:

On Feb 25, 2016, at 5:39 PM, Mark Cave-Ayland wrote:

> On 25/02/16 19:15, Programmingkid wrote:
>> I want to bring up Macsbug while Mac OS 9 is booting. I tried command-powerkey (real left and right command keys) but that didn't work. Command-fn-f12 also didn't work for me. Anybody have any luck with this when using a Mac OS X host?
> Control works fine here with the GTK GUI (hold it down as soon as you
> see the happy Mac). Maybe try using vnc/sdl just for debugging? It seems
> that the keymaps for the cocoa GUI may need some work.

When you hold down the shift key during startup, does Mac OS 9 say "Extensions Disabled"?
Free your System - May the Forth be with you