[G4] Panic after OSX 10.3 install; Can't open disk drive

[Harry Freeman]

Greetings ( + )!( + )

I would recommend that before you do the "eject cd that you do:
1)	reset-nvram (return)
2) set-defaults (return)
Then use the Open Firmware command
3) reset-all (return)
instead of the mac-boot command,

I think that you'll need a "-" in the eject cd command
i.e. eject-cd however I might be wrong!

When you start up from your 10.3 install CD you might try opening the  
"Disk Utility" and see if you can run "Disk Repair" and "Repair Disk  
Permissions"

I would also recommend the first thing that you do is reset "PRAM"  
before booting into Open Firmware.

Just my 2 cents.
----------------------------------------------------
On Dec 21, 2007, at 12:11 PM, B G wrote:

> To eject a disc with Open Firmware commands, follow these steps:
>
>    1. Restart the computer.
>    2. Immediately after the startup sound, press and hold the key  
> combination Command-Option-O-F.
>       Note: The Command key has the Apple and () icons on it.
>    3. Release the keys when you see a white screen that says "Welcome  
> to Open Firmware."
>    4. At the prompt, type: eject cd
>    5. Press Return, then wait a few seconds. The disc drive should  
> eject any disc that is present, and "ok" appears behind your command  
> when the action is complete.
>    6. Type: mac-boot
>    7. Press Return.
>
>
> Once you get it out no guarentee your install was succesfull so you  
> may not be able to boot from HD.
>
>
> Brian
>
> iBook G4 1.33 GHz 1.25 GB RAM
>
>
>
>
> On Dec 21, 2007, at 12:02 PM, Rick Barrett wrote:
>
>> Hi G4 Gurus,
>>
>> I sure need some help.
>>
>> Just got a 15" flat panel G4 iMac (Codename Tessera, P80) that had OS  
>> 10.2 on it, but lacked system or dock prefs!
>>
>> Mactracker says this 800 MHz model shipped with a CD-RW/DVD-R  
>> "SuperDrive", but when I put my OS X10.4 install DVD in it it didn't  
>> spin up, but ejected it after a few seconds, so I then decided to  
>> install 10.3 and worry about the drive later.
>>
>> I ran disk one of the OSX 10.3 Install and all looked good through  
>> "Optimizing System Performance" until suddenly I ended up with the  
>> dreaded:
>>
>> panic (cpu 0) Unable to find driver for this platform.
>> backtrace  
>> 0x008c2f4	0x0002a7a0	0x001f2204	0x001d4c5c	0x001d56cc	0x001d5d6c	 
>> 0x00037430	0x00037364
>> No debugger configured -- dumping debug information
>> version string : Darwin Kernel Version 1.3
>> Thu Mar 1 06:54:40 PST 2001: root :xnu/xnu-123.5.obj~1/RELEASE_PPC
>> DBAT0: 00000000	00000000
>> DBAT1: 00000000	00000000
>> DBAT2: 80001FFE	8000003A
>> DBAT3: 90001FFE	9000003A
>> MSR=00001030
>> backtrace: 0x0008c420	0x0002a7a0	  
>> 0x001001f2204	0x00104e4c	0x00104e4c	0x001d56cc	0x001d5d6c	0x001c621c	 
>> 0x00037430	0x00037364
>> panic: We are hanging here...
>>
>> (Ever hopeful, I tried the install twice, same results, now I'm stuck.
>>
>> Not only that, I can't restart on any  disk except the 10.3 install  
>> CD (which just eventually gets me back to the panic) and can't open  
>> the disk drive (no paperclip hole like every other Mac i've ever  
>> had), mouse button down on restart doesn't work, F12 doesn't work!
>> What now???
>>
>> Rick in 998133
>>
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>
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