[G4] Swapping drives mirrored doors and FW800 dual processor G4s

[sr ferenczy]

quick question- OS X or OS 9?

sandor

On Wednesday, October 22, 2003, at 10:57  PM, Jim Robertson wrote:

> I tried swapping drives between my two G4s today.
>
> The first Mac is a Mirrored doors (2002, "wind tunnel" Dual 1 GHz 
> machine
> that has two ATA drives in the back carrier. Both drives are jumpered 
> for
> "cable select", but the Apple System Profiler lists the boot drive as 
> Master
> and Device 0 (an 80 Gbyte IBM mechanism), the other as Device 1 and 
> Slave
> (an IBM 69 Gbyte mechanism).
>
> The second Mac is a Dual 1.25 GHz Mirrored Doors 2003 (FW800 model). 
> It has
> a single Seagate ATA drive in the back carrier. I'm not sure how the 
> drive
> is jumpered (one pair of pins jumpered, as follows:
>
>  x  x  x  x
>     |
>     |
>  x  x  x  x
>
> I'm not sure what this enables.
>
> When I swap drive carriers between the two Macs, the F at 800 machine 
> won't
> boot with the two IBM drives, and the machine doesn't see either of 
> them as
> a bootable device. If I start up from the CD drive with Disk Warrior 
> 3.0 and
> run the simple disk tests in DiskWarrior, the drives pass. However, the
> drives won't let the machine boot from a Mac "System Tools" disk.
>
> I can take the Seagate drive out of the 2003 machine and put it into 
> the
> mid-2002 machine, and it will boot that machine.
>
> I suspect the problem has something to do with the IDE bus, and that 
> I'm
> doing something wrong, but I haven't a clue what that is. I'd be 
> grateful
> for any suggestions.
>
> Any suggestions?
>
> Jim Robertson
> -- 
>
>