Re: iMac G4 questions

2011-04-30 Thread Ralph Green
On Tue, 2011-04-26 at 16:01 -0700, Dan Ziegler wrote:
 Ralph, this hard disk was pretty easy to get to: I just removed the
 motherboard, and the disks were right there in a caddy. See xlr8 your
 mac's page here: 
 http://www.xlr8yourmac.com/systems/iMac_g4/imacg4_takeapart.html
 - it's helpful.
 
 Dan Ziegler
 

Howdy,
  So, I started to look at it again.  I removed the User Access Plate,
as it was called at xlr8yourmac.  I took off the 4 T15 screws.  I don't
see how the bottom plate comes off.  I see in the pictures that they got
it out.  But, what do you pull or pry on?
  From reading ahead in the takeapart article, I am a bit concerned
about the copper foil.  Is is difficult to put back on after you take it
all apart?
Thanks,
Ralph


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Re: iMac G4 questions

2011-04-30 Thread Kris Tilford

On Apr 30, 2011, at 4:07 AM, Ralph Green wrote:


I don't see how the bottom plate comes off.
I see in the pictures that they got it out.
But, what do you pull or pry on?


In the 2nd photo the plug that's causing you problems is shown taken  
apart in about the 11 o'clock position and someone has used a photo  
editor to attempt to place a transparent red box over both halves of  
the problem connector. To remove you wiggle the two halves apart  
gently but firmly. Alternatively you can try pulling directly upward  
but be careful  not to bend the board too much and pull with very even  
pressure. The wiggle method is better in my opinion. Notice the  
problem connector appear to be near an edge, so working near that  
point on the edge on each side of the connector will probably work  
best for you.


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Re: iMac G4 questions

2011-04-30 Thread Ralph Green
On Sat, 2011-04-30 at 04:17 -0500, Kris Tilford wrote:
 On Apr 30, 2011, at 4:07 AM, Ralph Green wrote:
 
  I don't see how the bottom plate comes off.
  I see in the pictures that they got it out.
  But, what do you pull or pry on?
 
 In the 2nd photo the plug that's causing you problems is shown taken  
 apart in about the 11 o'clock position and someone has used a photo  
 editor to attempt to place a transparent red box over both halves of  
 the problem connector. To remove you wiggle the two halves apart  
 gently but firmly. Alternatively you can try pulling directly upward  
 but be careful  not to bend the board too much and pull with very even  
 pressure. The wiggle method is better in my opinion. Notice the  
 problem connector appear to be near an edge, so working near that  
 point on the edge on each side of the connector will probably work  
 best for you.
 
Howdy,
  The only edge I can see is around the inside of the cutout around the
ram and the airport card.  I can get a flat bladed screwdriver under
that.  If I do that and pull, am I going to remove the bottom plate or
just mess up the bottom plate?  I don't see any place around the outside
edge that I can pull on or get a screwdriver under.  Or, am am missing
the right place to apply pressure?
Thanks,
Ralph


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Re: iMac G4 questions

2011-04-27 Thread t...@io.com


On Apr 26, 6:01 pm, Dan Ziegler d.ziegle...@gmail.com wrote:

 Ralph, this hard disk was pretty easy to get to: I just removed the
 motherboard, and the disks were right there in a caddy. See xlr8 your
 mac's page 
 here:http://www.xlr8yourmac.com/systems/iMac_g4/imacg4_takeapart.html
 - it's helpful.

And while you're in there, you can update the internal DIMM to 512MB,
so that the machine can be taken to 1GB of RAM if you like...

Jeff Walther

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Re: iMac G4 questions

2011-04-26 Thread t...@io.com


On Apr 24, 6:14 pm, Dan Ziegler d.ziegle...@gmail.com wrote:

 I have recently bought an iMac G4 (iLamp) off craigslist-it's the
 original 17 model (800 MHz, SDRAM, 80 GB).

Just an aside, as your main questions have already been addressed by
others...

There were two extremely similar models of 800MHz G4, 17 iLamp.

The first one will boot into OS 9.2.  The second one will not.It's
a bit like the difference between a regular MDD and a FW800 MDD,
except harder to tell apart.

Yours is probably the first model, as it came with an 80GB hard drive,
and the later, OSX only model, came with a 60GB hard drive.   But hard
drives can be changed.

The clear distinguishing characteristic is that the OS 9 booting model
has NVIDIA GeForce4 MX graphics and the OSX only model has NVIDIA
GeForce2 MX graphics.

Probably not important to you, but a bit of iLamp trivia which is easy
to overlook.   Most of the folks selling them on Ebay don't seem to
know which model they have, or even that there are two nearly
identical models with such a significant difference in capabilities.

Jeff Walther


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Re: iMac G4 questions

2011-04-26 Thread Tina K.

On 2011/04/26 09:41, t...@io.com so eloquently wrote:

There were two extremely similar models of 800MHz G4, 17 iLamp.

The first one will boot into OS 9.2.  The second one will not.It's
a bit like the difference between a regular MDD and a FW800 MDD,
except harder to tell apart.

Yours is probably the first model, as it came with an 80GB hard drive,
and the later, OSX only model, came with a 60GB hard drive.   But hard
drives can be changed.

The clear distinguishing characteristic is that the OS 9 booting model
has NVIDIA GeForce4 MX graphics and the OSX only model has NVIDIA
GeForce2 MX graphics.


I had forgotten that the G4 iMacs were updated once before they added 
USB 2, thanks for the reminder.


According to Mactracker both of the USB 1 17 iMacs use the GeForce4 MX 
but the earlier one came with 32 MB of VRAM whereas the second one came 
with 64 MB VRAM.


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: iMac G4 questions

2011-04-26 Thread John Carmonne


On Apr 26, 2011, at 10:58 AM, Tina K. wrote:


On 2011/04/26 09:41, t...@io.com so eloquently wrote:

There were two extremely similar models of 800MHz G4, 17 iLamp.

The first one will boot into OS 9.2.  The second one will not. 
It's

a bit like the difference between a regular MDD and a FW800 MDD,
except harder to tell apart.

Yours is probably the first model, as it came with an 80GB hard  
drive,
and the later, OSX only model, came with a 60GB hard drive.   But  
hard

drives can be changed.

The clear distinguishing characteristic is that the OS 9 booting  
model

has NVIDIA GeForce4 MX graphics and the OSX only model has NVIDIA
GeForce2 MX graphics.


I had forgotten that the G4 iMacs were updated once before they  
added USB 2, thanks for the reminder.


According to Mactracker both of the USB 1 17 iMacs use the  
GeForce4 MX but the earlier one came with 32 MB of VRAM whereas the  
second one came with 64 MB VRAM.


Tina



 IMO EveryMac.com gives more  info than Matracker on all the Macs.   
According to EveryMac.com Jeff's explaination is spot on.


JOHN CARMONNE
Yorba Linda CA
92886 USA
From TiBook 867




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Re: iMac G4 questions

2011-04-26 Thread Tina K.

On 2011/04/26 14:28, John Carmonne so eloquently wrote:

On Apr 26, 2011, at 10:58 AM, Tina K. wrote:


According to Mactracker both of the USB 1 17 iMacs use the GeForce4
MX but the earlier one came with 32 MB of VRAM whereas the second one
came with 64 MB VRAM.

Tina



  IMO EveryMac.com gives more  info than Matracker on all the Macs.
According to EveryMac.com Jeff's explaination is spot on.


I agree that EveryMac has more information, I just find a local database 
to be convenient.


Of course now it's a matter of determining which database is correct.

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 10.6.7

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Re: iMac G4 questions

2011-04-26 Thread John Carmonne


On Apr 26, 2011, at 1:43 PM, Tina K. wrote:


On 2011/04/26 14:28, John Carmonne so eloquently wrote:

On Apr 26, 2011, at 10:58 AM, Tina K. wrote:


According to Mactracker both of the USB 1 17 iMacs use the GeForce4
MX but the earlier one came with 32 MB of VRAM whereas the second  
one

came with 64 MB VRAM.

Tina



  IMO EveryMac.com gives more  info than Matracker on all the Macs.
According to EveryMac.com Jeff's explaination is spot on.


I agree that EveryMac has more information, I just find a local  
database to be convenient.


Of course now it's a matter of determining which database is correct.

Tina


 I have Mactracker too but for in-depth and more models I use  
Everymac daily and it seems to be updated by the minute In fact I can  
use it for a lot of info Apple keeps close to home, such as RAM specs  
and system specs.


Like Jeff's identifying factors are they're the same I use often when  
serial numbers don't work, that's not to say an individual didn't  
swap out some parts. Video cards can be a giveaway in a lot of  
machines.:-)


JOHN CARMONNE
Yorba Linda CA
92886 USA
From TiBook 867




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Re: iMac G4 questions

2011-04-26 Thread Dan Ziegler
Thanks for all the insight... now I'll have to check and see what
GeForce it has!! ;-) This screen has plastic on the top as far as I
can tell, the shame is all the pixels are nice and bright, only the
top layer is scratched. Might just have to keep an eye out for dead
iMacs with good screens.

As for the hard disk, out of curiosity, does anyone know if OS X
refuse to boot on SMART errors? My PCs never hesitate... maybe OS X
takes the safe route and kernel panics.

Ralph, this hard disk was pretty easy to get to: I just removed the
motherboard, and the disks were right there in a caddy. See xlr8 your
mac's page here: 
http://www.xlr8yourmac.com/systems/iMac_g4/imacg4_takeapart.html
- it's helpful.

Dan Ziegler

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Re: iMac G4 questions

2011-04-25 Thread Bruce Johnson

On Apr 24, 2011, at 4:14 PM, Dan Ziegler wrote:

 But I was wondering why the old drive failed. It wouldn't even start
 up off the OS X DVD to do a disk check! I took the original failed
 hard drive and stuck it in my Linux box, and ran Disk Utility (the
 Gnome app, it's similar to Apple's). Disk checking on Macintosh HD
 turned up clean, but the S.M.A.R.T. Status field said, Drive has a
 few bad sectors. On scanning THAT, it told me the drive is about to
 fail. But I can use all of the files on Linux fine, such as the System
 folder, Users and such. I don't know if the S.M.A.R.T field will cause
 OS X to crash or what.


When SMART tells you it's failing, it's failing. That drive is on the way out.

I've had such drives work OK for a bit after formatting and re-installing, but 
SMART does not say 'failing' because some sectors go bad; the failing sectors 
are a symptom of the impending disk failure, not a cause.

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

Institutions do not have opinions, merely customs


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