Re: Poor wireless reception on G4 Aluminum Powerbook

2011-04-15 Thread Bruce - in Orlando
Well, I tried installing Tiger (10.4.11) last night and it did not
work.  Therefore I assume it's an antenna problem.  Therefore I will
move along to Plan B, the USB wifi dongle.  The good news is I now
seem to have two perfectly good Airport Extreme cards to sell on the
Swaplist.  Maybe I should also throw in my extra original Airport card
from the Pismo.

Bruce - in Orlando

On Apr 14, 3:12 pm, Kris Tilford ktilfo...@cox.net wrote:
 On Apr 14, 2011, at 8:47 AM, Bruce Johnson wrote:

  You're seriously suggesting that Apple would ship laptops with a 5'  
  wifi range?

 Apple shipped not one iPhone, but TWO iPhone's with a major antenna/
 reception issue. If you Google search this issue you can find MANY  
 people having this problem with aluminum PowerBooks. I can attest that  
 I have worked on a 15 1.67GHz aluminum PowerBook that had this  
 problem, but as Alex suggested, when I downgraded back to Tiger (at  
 the owner's request because Leopard was too slow), the reception  
 issue cleared up. I can say for certain it wasn't an antenna issue,  
 but it may be a Leopard software bug issue?

 I still think the best solution may be a USB external dongle like this  
 one which is $16 shipped:

 http://cgi.ebay.com/PSP-NDSL-WII-Hi-Gain-USB-Wireless-w-Rp-SMA-Connec...
  

 NOTE: This one uses the Zydas chipset which is OS X compatible, but it  
 might be better to find something with a Broadcom chipset. Also, Apple  
 has used both Broadcom and Atheros chipsets in their Airport cards.  
 The Atheros are considered to be inferior in terms of range, so if  
 this PowerBook has an Atheros chipset Airport card it might be worth  
 switching to a Broadcom chipset card.

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Re: Poor wireless reception on G4 Aluminum Powerbook

2011-04-15 Thread Tina K.

On 2011/04/13 19:22, Clark Martin so eloquently wrote:

There was one or more versions of the PowerBook that had problems
with WiFi range.  It was basically a design error (AFAIK).  Your
model is from around that period but I don't know specifics.  This
means that you may never get acceptable reception.


My Al book has worse reception than my G4 iBooks did, and all of my 
Macs, desktop and notebook, see fewer networks than my friends do with 
their Windoze boxes.


For the OP perhaps a 'repeater' would solve your problem?

Tina

--

iMac 20 USB 2 1.25GHz G4 2GB RAM GeForceFX5200 Ultra 64MB VRAM 10.4.11

PB G4 15 HR-DLSD 1.67GHz G4 2GB RAM Radeon 9700 128MB VRAM 10.4.11

Mac Pro Mid-2010 2.8 GHz QC 6 GB RAM Radeon HD 5770 1GB VRAM 10.6.6

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Re: Poor wireless reception on G4 Aluminum Powerbook

2011-04-15 Thread peterhaas

 For the OP perhaps a 'repeater' would solve your problem?

Alas, many of the Broadcom (and perhaps other) WiFi sticks are power-hungry.

Some, in my experience many Broadcom Mini-PCI-e sticks, will degrade over
time, thereby necessitating a replacement.

The first indication of the impending demise is failure to exchange the
WPA keys with the access point, although the control panel may, indeed,
see the network.

At least for a while. And, thereafter, it may, indeed, fail to see your
network (although it may, indeed, see others' networks).

Forewarned is forearmed.



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Re: Poor wireless reception on G4 Aluminum Powerbook

2011-04-14 Thread Bruce Johnson
On Apr 13, 2011, at 7:30 PM, Kris Tilford ktilfo...@cox.net wrote:

 On Apr 13, 2011, at 3:03 PM, Bruce - in Orlando wrote:
 
 Can anyone tell me what the real problem is?
 
 It appears the aluminum PowerBook suffers like the Ti PowerBook did, bad 
 reception because of metal case (Faraday cage

Well, for one, no they don't. I've owned both, and while the TiBook indeed has 
poorer wifi range the AlBook is just fine. (tested on both with a USB wifi 
dongle.) Crucially NEITHER has range as poor as the OP describes.

His issue is a broken, unattached, or dislodged antenna.

You're seriously suggesting that Apple would ship laptops with a 5' wifi range?

-- 
Bruce Johnson


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Re: Poor wireless reception on G4 Aluminum Powerbook

2011-04-14 Thread Alex Barnes
This seems to be a Leopard bug. That has happened to me several times,
all on Macs running Leopard. A simple downgrade or upgrade fixed the
problem.


 On Apr 13, 2011, at 3:03 PM, Bruce - in Orlando wrote:

 Can anyone tell me what the real problem is?

 It appears the aluminum PowerBook suffers like the Ti PowerBook did, bad 
 reception because of metal case (Faraday cage

 Well, for one, no they don't. I've owned both, and while the TiBook indeed 
 has poorer wifi range the AlBook is just fine. (tested on both with a USB 
 wifi dongle.) Crucially NEITHER has range as poor as the OP describes.

 His issue is a broken, unattached, or dislodged antenna.

 You're seriously suggesting that Apple would ship laptops with a 5' wifi 
 range?!

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Re: Poor wireless reception on G4 Aluminum Powerbook

2011-04-14 Thread Bruce - in Orlando
Really? - That would be a really easy fix then, at least to try before
moving on to Plan B which I think would be Kris's USB 802.11n WIFI
adapter.  I installed Tiger on my MDD and my previous powerbook
(Pismo), but when this one came with Leopard I figured I'd just leave
it there and see how I like it.  So far, I'm not feeling the love
anyway.  I haven't loaded too much stuff on this AlBook yet, so should
I just figure on wiping it all out and starting over?

On Apr 14, 11:22 am, Alex Barnes kab...@gmail.com wrote:
 This seems to be a Leopard bug. That has happened to me several times,
 all on Macs running Leopard. A simple downgrade or upgrade fixed the
 problem.



  On Apr 13, 2011, at 3:03 PM, Bruce - in Orlando wrote:

  Can anyone tell me what the real problem is?

  It appears the aluminum PowerBook suffers like the Ti PowerBook did, bad 
  reception because of metal case (Faraday cage

  Well, for one, no they don't. I've owned both, and while the TiBook indeed 
  has poorer wifi range the AlBook is just fine. (tested on both with a USB 
  wifi dongle.) Crucially NEITHER has range as poor as the OP describes.

  His issue is a broken, unattached, or dislodged antenna.

  You're seriously suggesting that Apple would ship laptops with a 5' wifi 
  range?!- Hide quoted text -

 - Show quoted text -

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Re: Poor wireless reception on G4 Aluminum Powerbook

2011-04-14 Thread Kris Tilford

On Apr 14, 2011, at 8:47 AM, Bruce Johnson wrote:

You're seriously suggesting that Apple would ship laptops with a 5'  
wifi range?


Apple shipped not one iPhone, but TWO iPhone's with a major antenna/ 
reception issue. If you Google search this issue you can find MANY  
people having this problem with aluminum PowerBooks. I can attest that  
I have worked on a 15 1.67GHz aluminum PowerBook that had this  
problem, but as Alex suggested, when I downgraded back to Tiger (at  
the owner's request because Leopard was too slow), the reception  
issue cleared up. I can say for certain it wasn't an antenna issue,  
but it may be a Leopard software bug issue?


I still think the best solution may be a USB external dongle like this  
one which is $16 shipped:


http://cgi.ebay.com/PSP-NDSL-WII-Hi-Gain-USB-Wireless-w-Rp-SMA-Connector-/260656488799 



NOTE: This one uses the Zydas chipset which is OS X compatible, but it  
might be better to find something with a Broadcom chipset. Also, Apple  
has used both Broadcom and Atheros chipsets in their Airport cards.  
The Atheros are considered to be inferior in terms of range, so if  
this PowerBook has an Atheros chipset Airport card it might be worth  
switching to a Broadcom chipset card.


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Poor wireless reception on G4 Aluminum Powerbook

2011-04-13 Thread Bruce - in Orlando
I recently purchased a 12 1.5 Ghz Powerbook on eBay (running OS
10.5.x).  The auction description said the Airport Extreme card
doesn't seem to be working correctly.  Once I received the laptop, I
figured out that the problem is really that this powerbook has a very
short wireless reception distance - such that when I first powered it
on, sitting at my computer desk about 5 feet from the wireless router
(linksys) it worked just fine.  But when I sat with the laptop on the
other side of the same room, about 15 feet from the router, reception
was only fair.  Take the laptop to the next room, about 25 feet from
the router, and you're totally out of luck.

So at first I thought the problem must be with the Airport card, so I
bought another one - they aren't very expensive.  Now I find that the
reception problem has not changed at all, so the card can't be the
problem.

Can anyone tell me what the real problem is?  I'm just hoping it's not
on the motherboard, because they really are expensive.

Bruce - in Orlando

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Re: Poor wireless reception on G4 Aluminum Powerbook

2011-04-13 Thread Bruce Johnson

On Apr 13, 2011, at 1:03 PM, Bruce - in Orlando wrote:

 
 So at first I thought the problem must be with the Airport card, so I
 bought another one - they aren't very expensive.  Now I find that the
 reception problem has not changed at all, so the card can't be the
 problem.
 
 Can anyone tell me what the real problem is?  I'm just hoping it's not
 on the motherboard, because they really are expensive.


Well it'll be a pain to fix, but if it's not the airport card, it's the 
antenna, which has probably somehow come loose and is not longer functioning 
well.

The antenna, iirc, is built into the upper display.


-- 
Bruce Johnson
University of Arizona
College of Pharmacy
Information Technology Group

Institutions do not have opinions, merely customs


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Re: Poor wireless reception on G4 Aluminum Powerbook

2011-04-13 Thread Clark Martin

On Apr 13, 2011, at 1:03 PM, Bruce - in Orlando wrote:

 I recently purchased a 12 1.5 Ghz Powerbook on eBay (running OS
 10.5.x).  The auction description said the Airport Extreme card
 doesn't seem to be working correctly.  Once I received the laptop, I
 figured out that the problem is really that this powerbook has a very
 short wireless reception distance - such that when I first powered it
 on, sitting at my computer desk about 5 feet from the wireless router
 (linksys) it worked just fine.  But when I sat with the laptop on the
 other side of the same room, about 15 feet from the router, reception
 was only fair.  Take the laptop to the next room, about 25 feet from
 the router, and you're totally out of luck.
 
 So at first I thought the problem must be with the Airport card, so I
 bought another one - they aren't very expensive.  Now I find that the
 reception problem has not changed at all, so the card can't be the
 problem.
 
 Can anyone tell me what the real problem is?  I'm just hoping it's not
 on the motherboard, because they really are expensive.


There was one or more versions of the PowerBook that had problems with WiFi 
range.  It was basically a design error (AFAIK).  Your model is from around 
that period but I don't know specifics.  This means that you may never get 
acceptable reception.  

Make sure your router is using 802.11g, it tends to do better than 802.11b.

You could try a web search to dig up info from back when.

Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting

I'm a designated driver on the Information Super Highway

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Re: Poor wireless reception on G4 Aluminum Powerbook

2011-04-13 Thread Kris Tilford

On Apr 13, 2011, at 3:03 PM, Bruce - in Orlando wrote:


Can anyone tell me what the real problem is?


It appears the aluminum PowerBook suffers like the Ti PowerBook did,  
bad reception because of metal case (Faraday cage). A few people  
bought external antennas from QuickerTek, but they don't seem to make  
these any more, and they were very expensive. You can build a homemade  
Pringle's can external antenna but this will make your PowerBook look  
like some sort of weapon and you'll probably get arrested if you use  
it in public, see:

http://www.oreillynet.com/cs/weblog/view/wlg/448

A USB 802.11n WIFI adapter might be the optimal choice. Get any model  
using a Broadcom chipset and it will be recognized as Apple Airport as  
long as the correct VID  PID are listed in the info.plist of the  
Broadcom plugin (AppleAirPortBrcm4311.kext) of the IO80211Family.kext.  
There's a script available to add all known combinations of VID  PID  
so that everything works, it's called bcm43xx_enabler.sh. A cheap  
USB 802.11n adapter would be both an upgrade and hopefully fix the  
reception issue, and as long as it's Broadcom chipset it will  
integrate perfectly as if it was regular Apple Airport (remove your  
OEM Airport card first, and delete Airport from System  
PreferencesNetwork prior to adding the USB adapter. Then reboot with  
the USB adapter, go to Network and it should auto-detect the new  
Airport hardware and you should be in business.


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