Re: Target Disk Mode with iMac G5 and PowerMac G4
- From: dempson@xxxxxxxxxxxxx (David Empson)
- Date: Tue, 11 Nov 2008 19:28:42 +1300
Paul <pakob@xxxxxxxxx> wrote:
I've been trying to get Target Disk Mode to work with no luck.
Systems:
"master" iMac G5 2Ghz running 10.4
"target" PowerMac G4 AGP 400 Mhz running 10.3.7
I boot the G4 holding "t" and get the firewire symbol.
With the two boxes connected with a firewire cabel I
boot the G5. Problem is that the G4 does not appear
on the G5's device list.
What am I missing here?
Nothing that I can see from the information you have provided. It should
work.
Have a look in System Profiler on the iMac G5 and see if it shows
anything in the Firewire category while the G4 is connected and in
target mode.
There are at least four technical considerations which might explain the
problem.
1. Faulty Firewire port (on either computer) or cable. Are they all
known to work in other situations?
2. Firmware revision in the G4. For a "Sawtooth", it should be running
firmware version 4.2.8 (which will probably appear in System Profiler
with "f" and a number after the "4.2.8" bit).
3. System software version on the iMac G5. Is it really running 10.4
(point zero)? If so, try updating it to something more recent like
10.4.11.
4. Connection method for the hard drive in the G4. In earlier Mac models
with built-in Firewire (prior to about 2003 and including your PowerMac
G4 with AGP Graphics), Firewire Target Mode only provides access to the
"master" hard drive connected to the primary ATA bus.
If your G4's hard drive has its jumpers set to be a "slave", or it is in
"cable select" mode and connected to the slave plug on the cable instead
of the master plug, or it is connected to a third-party PCI card
(whether it is SCSI, ATA or SATA), it will work locally but won't be
accessible via Firewire Target Mode.
The normal configuration for a single hard drive in a PowerMac G4 is for
the drive to be physically installed at the bottom of the "stack of two"
in the case, with jumpers set to "master" mode, and using the bottom
connector on the cable (leaving the top one free for a second drive).
This should produce the same result if the drive is configured for
"cable select" and your G4 supports that feature (I don't know offhand
which models are able to cope with this).
--
David Empson
dempson@xxxxxxxxxxxxx
.
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