How do I disable disconnection on network when PowerBook G4 goes to sleep?

I would like to keep AirPort and NIC going during PowerBook G4 (1 Ghz; 15")'s sleep.
ANTant wrote on :

I heard it is possible to disable this in MacOS X (10.2.8). How do I do that? I do not see this option in Energy Saver option. I would like to keep AirPort and NIC going during PowerBook G4 (1 Ghz; 15")'s sleep.

Thank you in advance. :)

Steven Fisher replied on :

On Wed, 4 Feb 2004 1:20:39 -0800, ANTant@redacted.invalid wrote (in message pv2dnV218av6JL3dRVn-jg@redacted.invalid):

I heard it is possible to disable this in MacOS X (10.2.8). How do I do that? I do not see this option in Energy Saver option. I would like to keep AirPort and NIC going during PowerBook G4 (1 Ghz; 15")'s sleep.

I believe it's only possible on desktop machines. Powerbooks have a depper sleep.

ANTant replied on :

Steven Fisher sdfisher@redacted.invalid wrote:

On Wed, 4 Feb 2004 1:20:39 -0800, ANTant@redacted.invalid wrote (in message pv2dnV218av6JL3dRVn-jg@redacted.invalid):

I heard it is possible to disable this in MacOS X (10.2.8). How do I do that? I do not see this option in Energy Saver option. I would like to keep AirPort and NIC going during PowerBook G4 (1 Ghz; 15")'s sleep.

I believe it's only possible on desktop machines. Powerbooks have a depper sleep.

Darn! Oh well. I was hoping I can put the PowerBook to sleep when I close the case, carry downstair/upstair, etc. without losing network.

P M Evans replied on :

In article k5WdnaJBFZkUT7zdRVn-uQ@redacted.invalid, ANTant@redacted.invalid wrote:

Darn! Oh well. I was hoping I can put the PowerBook to sleep when I close the case, carry downstair/upstair, etc. without losing network.

I donĄt understand the problem. It should reestablish the connection as soon as you wake it up anyway. I have an iBook that never is shut down. I take it to meetings where we have an Airport set up, and it connects to the new network in a matter of seconds when I open it. When I get home, it automatically switches back to my home Airport.

ANTant replied on :

P M Evans pmevans@redacted.invalid wrote:

In article k5WdnaJBFZkUT7zdRVn-uQ@redacted.invalid, ANTant@redacted.invalid wrote:

Darn! Oh well. I was hoping I can put the PowerBook to sleep when I close the case, carry downstair/upstair, etc. without losing network.

I donĄt understand the problem. It should reestablish the connection as soon as you wake it up anyway. I have an iBook that never is shut down. I take it to meetings where we have an Airport set up, and it connects to the new network in a matter of seconds when I open it. When I get home, it automatically switches back to my home Airport.

Not if I am in the middle of a download, streaming video, and using ssh. Those, I have to reconnect manually if I were to close my PowerBook unless I missed something.

ANTant replied on :

I heard it is possible to disable this in MacOS X (10.2.8). How do I do that? I do not see this option in Energy Saver option. I would like to keep AirPort and NIC going during PowerBook G4 (1 Ghz; 15")'s sleep.

I believe it's only possible on desktop machines. Powerbooks have a depper sleep.

Now, this is an interesting suggestion: http://www.macosxhints.com/article.php?story=20040214162448260

I do not have the PowerBook G4 with me to try it now. Will this work?

Clark Martin replied on :

In article V6ydnf39d6ds0afdRVn-uA@redacted.invalid, ANTant@redacted.invalid wrote:

I heard it is possible to disable this in MacOS X (10.2.8). How do I do that? I do not see this option in Energy Saver option. I would like to keep AirPort and NIC going during PowerBook G4 (1 Ghz; 15")'s sleep.

I believe it's only possible on desktop machines. Powerbooks have a depper sleep.

Now, this is an interesting suggestion: http://www.macosxhints.com/article.php?story=20040214162448260

I do not have the PowerBook G4 with me to try it now. Will this work?

There isn't much way around this. When the computer goes to sleep it becomes dead to the world until you wake it up. It isn't that programs on your computer disconnect from the server as the server drops the connection. This applies to "live" connections such as AppleShare, Timbuktu, Filemaker and others. Things like web pages and ftp only connect (usually) when you do something so there is no connection to break while the computer is sleeping.

There is the option in Energy saver to wake on Network Administrator access but I haven't had any success with this using Apple Remote Desktop.

Note that there is a distinction between the computer going to sleep and the display and harddrive sleeping. When the computer goes to sleep it powers down almost everything so it is inherently difficult to have network activity wake it up althought it is supposed to. Even if the computer wakes up the network software at the other end may give up before the computer is awake.

Neill Massello replied on :

Clark Martin cmnews@redacted.invalid wrote:

There is the option in Energy saver to wake on Network Administrator access but I haven't had any success with this using Apple Remote Desktop.

You need to send a special ("magic") packet to the sleeping Mac via the Ethernet LAN. To do this, enter the Mac's MAC address into WakeUp http://www.coriolis.ch/article5.html.