Creating a wireless connection on a Mac Pro with no airport card.

Hello
Forgive me if this has already been discussed but I am looking at all options to add wireless function to a mac pro with OS10.4 that does not currently have an airport card installed. My options so far are to either purchase a airport card, purchase a USB wireless dongle i.e.: D-Link DWA-140 (for which I am having trouble finding something that is compatible) or possibly using a airport express. The objective is to use it for presentations for lectures as I am using keynote and would very much like to use the keynote remote from my iPod touch (later with a iPad) so I can control my presentation wirelessly.
My question is this, will I be able to use an airport express, connect it via ethernet to the mac pro and create the wireless connection with my iPod touch? Will I require a wireless router? Or can anyone suggest an easy way to wireless control a keynote presentation with a non wireless mac.
Thank you so much.
Dave

This is not an exact answer to your question, but we had cable installed today (Virgin Media, UK) and the router is too far for my MacPro tower to connect. The engineer gave me a wireless dongle (the D-Link DWA-140) and said it would do the trick. After a few hours of searching online, I cannot make the dongle connect to the router, so I would recommend that you avoid this option for a MacPro. It may be possible to connect it but I'm certainly not finding it straightforward.

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I've never had a problem with the RAID card (either battery or in operation) except for one thing:
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(See RAID Utility event log snippet below.)
[I wish I could understand why this Apple RAID card keeps losing the spare across power-cycles/reboots, but I digress.]
So I just adopted it as the spare and it spawns the rebuild and many hours later, everything's fine again.
... until the last time I rebooted (Jan. 2nd).
After the usual "I lost the spare" message upon login, it began the rebuild.
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Bay 3 is now missing in the Controller view.
I powered off the system last night, and left it off overnight. Today I took all the drives out, blew the dust off and reseated them.
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% sudo raidutil list raidsetinfo
                                     Total     Avail
Raidsets      Type       Drives       Size      Size Comments
RS1           RAID 5     1,2,4      5.23TB    0.00MB Rebuild: 0% complete
% sudo raidutil list driveinfo
Drives Raidset       Size      Flags
Bay #1 RS1             2.00TB   IsMemberOfRAIDSet:RS1 IsReliable
Bay #2 RS1             2.00TB   IsMemberOfRAIDSet:RS1 IsReliable
Bay #4 RS1             2.00TB   IsMemberOfRAIDSet:RS1 IsReliable
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Saturday, January 11, 2014 8:15:19 AM PT
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informational
Friday, January 3, 2014 3:50:28 AM PT
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Thursday, January 2, 2014 4:29:28 PM PT
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informational
Saturday, December 7, 2013 5:34:11 PM PT
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Degraded RAID set RS1 - No spare available for rebuild
critical
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Thursday, December 5, 2013 9:53:44 PM PT
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Friday, September 6, 2013 10:53:11 PM PT
Battery finished conditioning
informational
Friday, September 6, 2013 3:41:33 PM PT
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informational
Saturday, June 8, 2013 3:41:35 PM PT
Battery finished conditioning
informational
Saturday, June 8, 2013 8:37:49 AM PT
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informational
Thursday, May 30, 2013 4:09:51 PM PT
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Thursday, May 30, 2013 4:09:42 PM PT
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Power Pig wrote:
"Hesitant to plunk down $160 on a new spare disk if the present one isn't actually dead ...
% sudo raidutil list raidsetinfo
                                     Total     Avail
Raidsets      Type       Drives       Size      Size Comments
RS1           RAID 5     1,2,4      5.23TB    0.00MB Rebuild: 0% complete
I was talking about this.
This looks like a RAID 5 setup without the parity to me. I would said it basically a RAID 0.
Also you metioned "I guess that previous spare must really have gone 'bad', despite having never been used! "
I wiped everything out, I selected the 3 disks and clicked on "Create RAID Set" with RAID5 selected and the "Use unassigned drives as spares" option checked. The 3rd disk has always been marked as the spare ever since then. You do not have a choice to create a "RAID5 setup without the parity". If I wanted a RAID0 I would have chosen a RAID0! raidutil now says
% sudo raidutil list raidsetinfo
                                     Total     Avail
Raidsets      Type       Drives       Size      Size Comments
RS1           RAID 5     1,2,3,4    5.23TB    0.00MB No tasks running
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There was never a problem until the day that prompted this post - when it would not find Drive 3 no matter what I did. I turned the Mac Pro off for several hours until the drives had all cooled down and it still did not find the drive. I left the machine on but unmounted the degraded volume until I got the new replacement drive.
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new house, waiting for DSL to be installed, 2-3 month wait.
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Message was edited by: Wormy-san
Fixed names of cards

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Creating a wireless connection on a Mac Pro with no airport card.

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