Is Leopard incompatible with Airport Extreme 802.11g?

I'm still having issues with Leopard. I've worked my way past kernal panics and frozen blue screens. I've re-installed Leopard twice after the initial upgrade. I've updated all software & the firmware for the Airport Extreme. So here's the issue now:
When the G5 is turned on initially, everything seems fine. The Airport status is showing as strong in the menu bar. *The system profiler tells me that I have an airport card and gives me its information.* Within less than 5 minutes, the computer freezes. I force it off with the power button.
I restart it and then there is no airport status showing in the menu bar. +And the drop down menu says "No Airport Card Installed."+ Checking the Airport card on system profiler now says, "No information found." But NOW the G5 functions normally and does not freeze. Which, of course, leads me to believe there's something incompatible between Leopard & the older model Airport Extreme. As mentioned, I've downloaded and installed the firmware update for the Airport Extreme. No change.
I've booted from the Installer disk and run disk utilities several times - one of the permissions that was updated today was for the Airport. However, it made no change.
I've been fighting this ever since the initial install of Leopard - over a month ago. How I wish I had Tiger back!
Ideas?

Diane,
I have added very few apps to my G5. The majority of my time is spent editing photos with PhotoshopCS3. I have software updates set to run weekly and have always kept them up to date. I really believe it's a disk permissions issue...but repairing them doesn't help.
*+Upon installation, I used Archive and Install.+* While I agree that Erase and Install may sound like a good idea, it makes me nervous. I do have everything backed up on a bootable CMS drive, but I'm a photographer and was hoping to not have to erase the G5.
Yes, as I mentioned in the original post, I've downloaded and installed the Airport firmware update. And all software is up to date.
All was working just dandy before the upgrade. Unfortunately now it's sounding like I may have to erase my hard drive and install fresh.
If I do that, is it just a matter then of dragging my photos from the backup disk to the G5? And documents? Etc?? The thought of getting all my photos and important information back on the G5 seems a bit staggering.

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Checkout the list on iFelix's site.

Is Airport Express 802.11n compatibile with Airport Extreme 802.11g?

I can't get my new AExpress 802.11n to coexist with two other 802.11g AExpress and a AExtreme 802.11g. I have tried every type of reset and upgraded all soft/firmware but I can't see all three!
Do I have to ditch my older model Express (g) and Extreme (g) or try and get a second user old model Express (g)?
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good response. What to try? I'll admit it is a pain but this would be the basics:
1) reset it as many times as necessary to get it to be recognized
2) reset it with the power unplugged also
3) always use the airport icon found at the top of the desktop file menu(this is the key to find it there first
4) use the preferred pane found in the network pane within system preferences, delete networks that are odd or old and if you can get that express showing there you are almost home. Use the above three to do it also
This is why I got off those routers and now use two TC or two Extreme N or a combination of each. Ethernet as much as possible. Good luck
also
5) use ethernet to configure it then remove it, but once you set its wireless setting make sure you see it in the airport icon.
Message was edited by: Smokerz

What iMacs are compatible with Airport Extreme 802.11g?

I am switching my question from the PPC iMac forum to here, hoping I can find the answers. I am trying to figure out which used 20" iMac will work for me, and a key element is that I need to limit the wireless to the 802.11g spec.
(1) do all Intel-based iMacs have built-in wireless, and
(2) when did they go to the "n" spec (which I do NOT want!), and
(3) whether it is possible to disable built-in wireless in an iMac and add a card to substitute the "g" spec. (I doubt that is possible, but I'm sure somebody here knows the answer.)
thank you!

Yes
802.11n first appeared in late 2006 model iMacs.
Yes, you could use a USB dongle instead if you so choose, but why? You could just as easily limit this capability in your router.

Do I need to replace my airport extreme 802.11g?

last week I started having problems with airport extreme 802.11g dropping wireless signal and/or having to connect manually. I have been pulling out AC waiting for 10 seconds and plugging back in. Sometimes this works and sometimes it doesn't. I will have connect for a minute and then drops again. Maybe another minute and it finds the signal again, then drops it again.
Yesterday, I changed Airport Extreme to different channel and added interference robustness. I am still having to pull the plug on extreme to reset signal and get connected on wireless network.
Have not added new hardware - all using 802.11g (did buy iphone 4S but can't believe that is the problem)
Cable signal fine
Tring to determine if buying new extreme will offer solution or if problems will continue - suggestions?

I am afraid that the interference that you are picking up is coming from outside sources. Unfortunately, you will not be able to do much about this other than try different locations for the AirPort Extreme.
I'm assuming that your AirPort Extreme is not located close to a televison or other electronic device. If it is, try to move it as far away as possible. Also try to keep it as far away from any outside walls or windows in the apartment as possible.
I was helping a friend recently who moved into a a new high rise apartment/condo development and we found that he simply could not use 2.4 GHz wireless reliably in his area due to the number of other networks and interference issues. That is likely the case in many other situations due to the explosion of wireless networks in the last few years.
For your reference, the most accurate way to judge signal quality is Signal to Noise or SNR.
Hold down the option key on your Mac and click on the Apple icon in upper left corner of the screen
Select System Profier.
Look down the list for the Network heading and then click on AirPort to highlight it
Look in the window to the right for the name of the wireless network, then look for the Signal / Noise readings. These will be negative numbers. Example: Signal / Noise -60 dBm / -80 dBm
SNR = Signal minus Noise, so -60 dB - (-80) dB = 20 dB
Then use the reference chart posted by expert user Tesserax to get a general idea of the connection quality
o 40dB+ SNR = Excellent signal
o 25dB to 40dB SNR = Very good signal
o 15dB to 25dB SNR = Low signal
o 10dB to 15dB SNR = Very low signal
o 5dB to 10dB SNR = No signal
With only 10 feet between the computer and router, you definitely should see 40 dB+ readings under normal conditions
How does your signal look if you use this method?

Airport extreme 802.11g to be setup with iPad Air...?

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I bought a new AE 802.11n and I want to extend my network from my old Airport Extreme 802.11g. I can't figure out how to do this.

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The "extend a wireless network" function and feature is only found on newer "n" AirPorts.
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I'm trying to extend the range of an Airport Extreme 802.11g by adding an Airport Express 802.11n. I set the Express up to join the existing network, but it does not make any difference in the range of the network. What's wrong?

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Let me see if I can help you with the basic WDS configuration steps:
Note: To help facilitate the setup, temporarily connect the AXn directly to the AEBS LAN port using an Ethernet cable. Once the setup is complete, you can move the AXn to the desired location. For all configuration steps you will be using the AirPort Utility. Before starting, be sure to jot down the AppleIDs for both base stations.
802.11g AirPort Extreme Base Station (AEBS) Configuration
AirPort Utility > Select the AEBS > Manual Setup > Wireless tab
Wireless Mode: Participate in a WDS network
Manual Setup > WDS tab
WDS Mode: WDS main
Allow wireless clients (checked)
WDS Remotes: <enter the AppleID for the AXn here>
Click on Update and allow the base station to restart.
802.11n AirPort Express Base Station (AXn) Configuration
AirPort Utility > Select the AXn > Manual Setup > Wireless tab
Wireless Mode: Participate in a WDS network (Note: You may have to hold down the Option (Mac) or Control (PC) key to see this option in the list.)
Manual Setup > WDS tab
WDS Mode: WDS remote
Allow wireless clients (checked)
WDS Main: <enter the AppleID for the AEBS here>
Click on Update and allow the base station to restart.

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I have two Airport Extreme (802.11g) that have been working flawlessly for many years. Recently one of them started flashing all three light rabidly and I can't connect to it wirelessly with the Airport Admin Utility.
When I power cycle it, the middle light blinks once, then the outer two lights blink once, then all three lights come on momentarily and then start blinking super fast. I think that a power surge or old age have killed it as I can't hard reset it and the link light on the switch it is connected to does not illuminate either.
So, I think it's dead but I thought someone may have some information.
Thanks.

Sorry to say, but based on your description, your 802.11g AirPort Extreme Base Station (AEBS) has (or will soon) failed.

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Diane,
I have added very few apps to my G5. The majority of my time is spent editing photos with PhotoshopCS3. I have software updates set to run weekly and have always kept them up to date. I really believe it's a disk permissions issue...but repairing them doesn't help.
*+Upon installation, I used Archive and Install.+* While I agree that Erase and Install may sound like a good idea, it makes me nervous. I do have everything backed up on a bootable CMS drive, but I'm a photographer and was hoping to not have to erase the G5.
Yes, as I mentioned in the original post, I've downloaded and installed the Airport firmware update. And all software is up to date.
All was working just dandy before the upgrade. Unfortunately now it's sounding like I may have to erase my hard drive and install fresh.
If I do that, is it just a matter then of dragging my photos from the backup disk to the G5? And documents? Etc?? The thought of getting all my photos and important information back on the G5 seems a bit staggering.

Airport Extreme 802.11g freezes/crashes weekly

I have a Airport Extreme 802.11g that I have had for a few years. I use it to connect to the Internet via cable modem, and have both Ethernet and WiFi clients. It has worked fine in the past, but in the last couple months it has started crashing roughly once a week. When it crashes, I can see the WiFi SSID being announced, but when clients try to connect they get timeouts. I also cannot get an IP address via DHCP on the LAN port when it has crashed. Airport Utility cannot reach the Airport from either WiFi or Ethernet when it has crashed.
Power cycling the Airport Extreme fixes the problem every time, but since has happened ~10 times, this indicates a worrisome problem to me. I guess my next step will be to try re-uploading the latest firmware, and perhaps save my configuration to a file and then try restoring the default settings. Is there anything else I can do to try to root out the problem?
If I can't fix it, I suppose I'll buy a Time Capsule, but I'd be happier just getting my current hardware to work reliably.
Mahalo!

I just inherited one of these routers from a friend. It's running the 5.7 firmware...the latest version. I'm also seeing random lockups. When it happens, only the power light on the AE is on...the other two don't flash at all.
I think it's related to overall traffic, because I was running a program called "namebench" which tries to determine the best DNS servers in your area. It does this test by sending 2000+ requests to name servers as quickly as possible and tallying the response results. When I let the program run only once, it usually works. But when I set it to run the test 3 consecutive times, after slamming the base station for over 5 minutes it would lock up consistently every time.
I've read from a variety of sources that this is a problem that began when Apple upgraded the firmware from 5.5.1 to 5.6. The 5.6 firmware was pulled for a while, and then 5.7 came out, but apparently did not resolve the issue. But there's been no update since.
I could downgrade to 5.5.1 but I'd lose WPA2 support. So if anyone from Apple has any suggestions, that would be appreciated. I realize these are older units, but the 5.6/5.7 firmware versions seem to have some issues that really need to be addressed.
-- Matt Ryan

Airport Extreme 802.11g with Airport Express 802.11n Aiport Express

I have An Airport Extreme Base Station 11g and an airport express 11g and I needed to buy another Airport Express but this one is 11n and my Airport Utility does not see it. Are these new Airport Express backward compatible? The reason is the kids X-box needs the ethernet jack that the color printer uses.
Can anyone help?
Thanks!

Thank you!
I followed your advice but so far I have been able to make some progress. I went out and bought the Airport Extreme 802.11n as I needed a router too so I like the features on the new one. So I think I have made a complex situation worse, LOL.
So far, the new airport utility can only see the new & old Airport Extreme but cant see the Express-g or express-n airports as they continue to blink amber.
What do I am I doing wrong?
thx

Having a problem in conecting with airport extreme 802.11n wi-fi on ipad2, having a problem in conecting with airport extreme 802.11n wi-fi on ipad2

when i was trying to conect with the airport extreme 802.11n wi-fi on my ipad 2, having problem in my ipad saying that your airport base station does not have a valid IP address. make sure your airport base station is connected to your broadband modem or local network....n also another message is this airport base station doisn't have any DNS server addresses and might have trouble connecting to the internet... bt in laptop can use this internet without any having problem.... so freinds any idia to solve this problem.??

Hi Achan Siro,
Welcome to the Support Communities!
The article below may be able to help you with this issue.
Click on the link to see more details and screenshots.
Resetting an AirPort Base Station or AirPort Time Capsule FAQ
http://support.apple.com/kb/HT3728
Cheers,
- Judy

Speed or Performance Issue with Airport Extreme 802.11n

Background:
Router 1: Linksys Wireless G 2.4GHz Router WRT54G (have been using for 1.5 years)
Router 2: Airport Extreme 802.11n Base Station Model: A1143 (just arrived)
Macs: Intel MacBook Pro & MacBook both Newtwork Adapters upgraded to 802.11 a/b/g/n and verified via "Netwrok Utility". The Netwrok Utility also displays the link speed at 54 mb under interface info. when the Linksys G router is selected and the link speed at 144 mb when the airport extreme n is selected.
Observation & Issue:
Currently, for testing both network routers have been used seperatly (connected directly via the cable modem) and speeds for each latop verified via http://www.speakeasy.net/speedtest/ and normal "human" usage web surfing observations via Safari. Results below:
1. When using the Linksys G router both the MacBook and MacBook Pro appear to be performing well and responsive with little or no wait on graphically/media intense sites such as apple.com
The speakeast.net/speedtest/ (using the NYC hub close by) downoad test displays 8MB to 10MB speeds
2. On the otherhand, when using the Airpot extreme both the MacBook and MacBook Pro appear to be performing slower than usual with higher waits for image and page downloads.
In addition, the speakeast.net/speedtest/ (using the NYC hub close by) downoad test displays 2MB to 3MB speeds. Lower than what we experienced using the older router.
Request for advide or help:
1) Is this normal? Assuming it is not, what esle can I look at that can help me determine the root cause. The Airport Utility does not offer much assistance in this matter.
2) Thus far I have opted to revert back to my Linksys g router. However, before returning the product... any other adivce on a potential miss in the configuration or setup would be of great help.
3) Other's experiencing the same?
MacBook Intel & MacBook Pro Intel Mac OS X (10.4.8) SUing Comcast Cable Modem

Contacted Apple Support (have an AppleCare account) tonight and the issue has been resolved with the caveat that I cannot have a mixed (g & n) radio mode on the same airport extreme base without significant loss of performance. These are the steps I was walked through to resolve my particular case:
1) Verify that your hardware is indeed upgraded to use n (see steps in my original post)
2) Open the AirPort Utility (new program that was installed from the install disc under applications/utility)
3) Click on the Airport Extreme image on the right hand column to open the Airport Extreme settings
4) Select the "Wireless" tab, then "Radio Mode" drop down and select 802.11n only (5 GHz)
5) Select Update to apply new settings.
Results:
When running the speakeasy.net/speedtest I am seeing results that are indeed better. However, the test shows that the top speed lowers a bit and jumps back up unlike when I am on my old g router, which does not have such a jump.
This test is not perfect but a good gauge. If anyone has any other ideas to test performance more accurately, please do let me know.
Note: Only n enabled devices now work with the n router. I will keep my old g router as a backup and for my work pc laptop.
Hope the above helps and thanks.
MacBook Intel & MacBook Pro Intel Mac OS X (10.4.8)

Is Leopard incompatible with Airport Extreme 802.11g?

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