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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Desktops > Can a G4 400 boot off FireWire?

Can a G4 400 boot off FireWire?
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waffffffle
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Oct 21, 2004, 02:25 PM
 
I believe that the original G4 does not support target disk mode, but can it at least boot off an external FireWire disk? I'd like to know. Thanks.
     
angelmb
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Oct 21, 2004, 02:51 PM
 
I do know for sure that the Yosemite G3 can not boot from FireWire, I wanna to believe Apple solved that issue with the G4, even the Yikes one.
     
P
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Oct 21, 2004, 05:07 PM
 
I know for a fact that you can boot a slotloading iMac off a Firewire drive, beacuse I've done it several times. The first G4 has the same revision of the chipset, so it should be possible there too. Just make sure you update the Firmware as far as it will go.
     
Macrat
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Oct 21, 2004, 08:30 PM
 
If its a Sawtooth G4 400 it can boot off the firewire, if it is a Yikes (basically a Yosemite with a G4 jammed into it) it cannot.
     
waffffffle  (op)
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Oct 21, 2004, 08:32 PM
 
Are AGP models Sawtooth? Or could they be Yikes? I'm not in front of the machines now but I know that they are 400 MHz AGP models.
     
chris v
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Oct 22, 2004, 07:21 AM
 
Originally posted by waffffffle:
Are AGP models Sawtooth? Or could they be Yikes? I'm not in front of the machines now but I know that they are 400 MHz AGP models.
Yikes= PCI, Sawtooth=AGP Graphics.

When a true genius appears in the world you may know him by this sign, that the dunces are all in confederacy against him. -- Jonathan Swift.
     
tooki
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Oct 22, 2004, 03:12 PM
 
Any Mac with AGP graphics can boot from FireWire and USB; any Mac without AGP cannot. All Macs that can boot from FireWire support Target Disk Mode; all that cannot boot from FireWire also can't do TDM.

The earliest AGP Macs (original iBook, early G4s, and slot-load iMac) need to have the latest firmware update to do it.

tooki
     
Madrag
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Oct 25, 2004, 05:19 AM
 
nice explanation tooky!

I have a G4 400 AGP and it boots off an external FW HD; and also can do target disk mode (tried both).
     
waffffffle  (op)
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Oct 25, 2004, 07:26 PM
 
Originally posted by tooki:
Any Mac with AGP graphics can boot from FireWire and USB; any Mac without AGP cannot.
My Pismo 400 (which is PCI) supports target disk mode and FireWire booting.
     
angelmb
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Oct 26, 2004, 08:49 AM
 
Originally posted by waffffffle:
My Pismo 400 (which is PCI) supports target disk mode and FireWire booting.
Pismo was the first Apple portable being AGP
     
waffffffle  (op)
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Oct 26, 2004, 09:11 AM
 
Nevermind...
( Last edited by waffffffle; Oct 27, 2004 at 09:25 AM. )
     
tooki
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Nov 3, 2004, 12:03 PM
 
Actually, the Pismo was the first PowerBook with AGP; the first Apple laptop with AGP was the original iBook (which can't boot from FireWire for lack of a FireWire port -- it can boot from USB though).

tooki
     
   
 
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