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I had one reboot after wake from sleep yesterday. That was after all the 10.5.2 and graphics updates were installed. I was logged out at the time and only had it in sleep mode for a few minutes.

Since then I've been installing SW so I've disabled sleep and just shutdown at night. Since rebooting is so fast, its not that big a problem. I'll eventually try the PRAM/SMC reset when I get the time. Got my Mac Pro Tues 2/12 with the 8800GT option.
 
Whats this PRAM/SMC fix I keep hearing about? How is it done?

PRAM reset:

Restart the Mac. Simultaneously hold down the Command (Apple)-Option-P-R keys immediately after you hear the *bong* on restart. Keep these keys depressed until you hear a second startup *bong*, then release the keys. This resets parameter RAM. Many people have reported that this fixes the restart on wake-from-sleep problem.

SMC reset:

Shutdown the Mac Pro. Unplug everything including the power cable for a few minutes. Then reconnect the power cable and your peripherals and boot the box.
 
Mine was asleep all night (about 10 hours) I had 4 spaces with 3-4 apps in each open and it woke up from sleep just fine... Sleeping it for shorter periods also yields the same result...
 
Mine was asleep all night (about 10 hours) I had 4 spaces with 3-4 apps in each open and it woke up from sleep just fine... Sleeping it for shorter periods also yields the same result...

I did the PRAM/SMC thing, and I have had two lengthy sleeps (>5 hours) successfully wake up. Hopefully this is the start of a very long trend.

Hickman
 
I plugged it in the back and I changed the settings. Headphones sound works great but headphones mic seems to be not working. I have the pink (mic) plug jack plugged next to it (green jack for sound) but still nothing. What did I miss?
Macs only take line level signal in, which is a stronger signal than microphone level signal. PCs often have microphone in - Macs have line level in for audio work. You'll need a microphone preamp of some sort, or maybe something like Griffin's iMic.
 
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