You can find my detailed explanations in the archives but it seems that the mini, at least a while ago, would perpetually scan for a monitor if none was connected causing sluggish performance and other odd behavior. Why this is is anyone's guess and maybe the latest models have fixed it but that would be a recent change. My solution at the time was to get a mini to VGA cable and hook that to a cheap VGA to NTSC/PAL converter. In the early days just having a Mini to NTSC cable plugged in was sufficient to trick the mini into thinking there was a monitor connected but that stopped working some years ago. The newer ones started reading the VGA sense pins and would have similar bad behavior if nothing came back (no monitor). So the VGA to NTSC converter did the trick. The sense pin business is really just a couple resistors jumped across a couple pins. There used to be vendors who sold VGA 'terminators' that did this to simulate a monitor for devices that couldn't stand not being hooked up to one. My attempts to find a place that still sold those came up empty every time. Lots of places listed them but when you went to order them they were permanently out of stock. So the VGA to NTSC/PAL box became an overgrown VGA terminator. Maybe this contraption is no longer needed, but if not it should still do the trick.

I think the original thread from March 2010 might be here:

http://www.mail-archive.com/macvisionaries@googlegroups.com/msg18524.html

and some earlier discussion about it from October 2009 here:

http://www.mail-archive.com/macvisionaries@googlegroups.com/msg12086.html

So this has been going on a long time :)

CB

On 10/25/12 5:52 AM, Joanne Chua wrote:
Hi All

Thanks very much for the input. I'll definitely bring this discussion
with my friend. I guess she's thinking to save couple of hundrets and
also space by having a MacMini rather than a IMac.

I was able to test out a MacMini 2010 server version from a friend's
business. its workable, but indeed, when i plug in a mornitor, or when
i did a share mornitor screen, VO is much happier.

Thanks very much

Cheers
Joanne

On 25/10/2012, Christopher-Mark Gilland <clgillan...@gmail.com> wrote:
I wonder why that would be.

Chris.

----- Original Message -----
From: "matthew Dyer" <matthewdyer...@msn.com>
To: <macvisionaries@googlegroups.com>
Sent: Wednesday, October 24, 2012 7:30 PM
Subject: Re: MacMini


Hi,

If you have a moditor, vo will run much better.  If you do not have one
then vo acts very strabnge and slowly.  Programs like safari will not work

very well without a moditor.

Matthew


On Oct 24, 2012, at 5:06 PM, Joanne Chua wrote:

Hi There,

I've an enquiry from one of my friend. She's looking at getting a
MacMini but is not sure if it can operates without a mornitor. As
she's totally blind, a mornitor aint gonna help her alot.
I've try to contact Apple yesterday to explain the situation to them,
unfortunately, they insist that "a MacMini can't be operate without a
mornitor because you have no way seeing at  the screen without a
mornitor.". At first, i thought might be the customer cunsultant lack
of knowledge with the capability of there products, then i tried again
a little later with the similar answer.
I'm certain there's some Mac user here that using MacMini on this
list. Can you please share some light on this matter?

thanks

Regards
Joanne

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