Re: What cables can be hot-plugged?

[Warren Ernst <wernst@gmail.com>]

On Oct 9, 1:11 pm, dog_...@macgui.com (D Finnigan) wrote:
> schmidtd wrote:
> > On Oct 9, 3:10 pm, dog_...@macgui.com (D Finnigan) wrote:
> >> schmidtd wrote:
> >> > On Oct 9, 2:18 pm, dog_...@macgui.com (D Finnigan) wrote:
> >> >> Anyone have a list of what cables can be safely hot-plugged?
>
> >> >> Specifically, I'm interested in knowing about the: joystick port,
> >> >> serial
> >> >> cable from an SSC, mouse port, and any other similar port.
>
> >> > I do Serial and ADB all the time.
>
> >> Really? ADB? You must have a lot of guts. I managed to fry the ADB
> >> controller chip on a Mac LC by accidentally hot-plugging it.
>
> > I have one keyboard with mouse, and a stack of 2 macs and a IIgs; I
> > just yank the plug and move it to the machine I need to use.  I did it
> > a lot while I was working on booting the GS over AppleTalk. :-)
>
> Well, look at it from my point of view: I've already fried a Mac! I'm not
> going to risk doing it purposely.
>
> Anyway, on the IIe, I hot-plugged the joystick and serial cable, (to an
> ImageWriter II) but I turned off the power to plug in the AppleMouse.
>
> Now I am quite sure that hot-plugging a Disk ][ is a bad idea, but I am
> hesitant to try an hot-plugging an Apple 5.25" drive with the Apple 5.25
> controller card.
>
> Speaking of the Apple 5.25 drive, I had a big scare about a year ago when I
> had both the Apple IIgs and the Mac Classic set up side-by-side, and I
> accidentally plugged the Apple 5.25 into the Mac Classic's disk port! (I
> must have been distracted) Ack! From what I've read, that's a good way to
> destroy the SWIM chip in the Mac.
>
> --
> Mac GUI Vault - A source for retro Apple II and
> Macintosh computing.http://macgui.com/vault/

I've safely hot plugged Joystick, Serial, Parallel, and Mousecard
Mouse cables in my //e over the years.

I've read not to do so for ADB and SCSI, the external numeric keypad,
and any floppy drives, so I don't.

-Warr