Xserve G5 with infiniband server

Hi,
I have recently been tasked to set up a G5 xserve server with 15 nodes.
The nodes are connected through a voltaire infiniband ISR-9024 switch. Naturally I have no documentation for any of them of them . I have been able to connect to the switch but that only sees the one node. After I turn the nodes on, they stay up for about an hour then they seem to either shutdown or go to sleep i cant tell, I have no video cards on the nodes either.
I know my question seems general but I guess what I am asking is if anyone has set a xserve using infiniband if so what configuration did you use and also if anyone knows why my nodes keep going to sleep.
thanks
Xserve G5 Mac OS X (10.4.8) with 15 cluster nodes

Hi Peter
I don't know about the others but all I've used from the G5 onwards is the range of cards supplied by ATTO. It seems clear from the symptoms you describe that it just does not work and may cause a major problem to your XServe if you persist in trying to use it.
You may as well take it out and get yourself a relevant ATTO card and never mind too much about what gsx says, it has been 'wrong' before in the past.
Tony

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Can't I just set up Exchange as one of my calendars in ical?
Only if you're running Snow Leopard and your employer will allow access (different than iPhone/mobile device access, so most likely not), but not needed - keep reading.
Is it really true that I have to choose between syncing Exchange with work server OR syncing iCal with personal Macbook?
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Well, actually they are both getting caught up in spam filters and bounced back. I actually realized that part of the problem is that I have a dynamic IP address, but it doesn't change. Regardless, on the bounce back it looks like hotmail and other domains are rejecting email from my IP and recognize it as dynamic. This was a test server that i would by physically taking to my business where there is a static business IP address (Cox).
Sorry for the very long original message, but it seems that most people don't post enough information for the problem to be solved in their original posts and I was hoping to provide as much detail as possible.
The other is the question of "are things set up right?" It seems strange to me that both my outgoing and incoming servers are "mail.mycompany.com" and not imap.mycompany.com and smtp.mycompany.com and I wonder if this is going to cause me to have problems?
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Was I supposed to change the domain name on the router?
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