Both are MDD dual G4 from this line:

CPU
CPU: PowerPC 7455 "G4"
CPU Speed: 2x867 MHz/2x1.0 GHz/2x1.25 GHz
FPU: integrated
Bus Speed: 166 MHz
Data Path Width: 64 bit
Address Width: 32 bit
ROM: 1 MB ROM + 3 MB toolbox ROM loaded into RAM
RAM Type: PC2700 DDR
Minimum RAM Speed: 333 MHz
Onboard RAM: 0 MB
RAM slots: 4
Maximum RAM: 2.0 GB
Level 1 Cache: 32 kB data, 32 kB instruction
Level 2 Cache: 256 kB on-chip, 1:1
Level 3 Cache: 1 MB DDR SDRAM per-processor, 1:4 (2 MB for 2x 1.25
GHz)
Expansion Slots: 4 64-bit 33 MHz PCI, 1 4x AGP (filled)
 
Video
Video Card/Chipset: ATI Radeon 9000 Pro
VRAM: 64 MB
Max Resolution: all resolutions supported
Video Out: VGA/DVI, ADC
 
Storage
Hard Drive: 60/80/120 GB
ATA Bus: Ultra ATA-100
Optical Drive: 24x/8x/4x/6x/2x/1x CD-RW/DVD-R
 
Input/Output
USB: 2
Firewire: 2
Audio Out: 2x stereo 16 bit mini, Pro Speaker
Audio In: stereo 16 bit mini
Speaker: mono
 
Networking
Modem: 56 kbps
Ethernet: 10/100/1000Base-T
Airport: optional card
 
Miscellaneous
Family: PowerMac G3/G4/G5
Codename: P57
Gestalt ID: 406
Power: 338 Watts
Dimensions: 17" H x 8.9" W x 18.4" D
Weight: 42 lbs.
Minimum OS: 9.2.2
Maximum OS: 10.5.6
Introduced: August 2002
Terminated: Late 2004

What I would like to do is move all my drives, including the boot-up
drive, from the 867 to the 1.25.  The 867 is currently running
Leopard.  The 1.25 has a 160G boot-up drive currently running Tiger.
I would remove the 160G drive from the 1.25 and replace it with my
500G boot-up drive from my 867.

Is this possible?  Would I create some issues if I try?

Mira

On Sep 23, 7:38 am, Mel <[email protected]> wrote:
> If the OS is comparable for both CPUs, it seems that you can make the 
> mechanical transfer of the HD and boot without incident.
>
> I've swapped boot HDs and booted the receiving CPU without incident several 
> times among various G4s but none newer than a DA.  E.G. Swapping a boot HD 
> from a DP DA to a Sawtooth and vice versa.
>
> Anyone have a different experience?
>
> Mel

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