On Nov 21, 2008, at 5:13 PM, PeterH wrote:
>
> Unlike Intels, which are eminently overclockable, early PPCs are
> usually overclockable by one step, only.
>
> Certain G4s are just plain not overclockable, or at least not without
> running so hot that the heatsinks are too hot to touch.
I have XLR8 MACh Speed Control for OS X ... is the temp indicator valid?
I suppose if it is, I should install that, and use it to control/
gauge the cpu.
It seems to work well with Sonnet G4 cpu upgrades for PowerPC 8500
types ... it has run on my Yikes! but I went back to the Apple
supplied functionality of its cpu controlling elements.
Thanks for all the input ... still undecided if I want to try 1 step
up to 450 ... my current G4/400 weighs in at 399 with 1MB L2 cache at
200 under Xbench 1.3:
Model PowerMac1,2
Processor PowerPC G4 @ 399 MHz
Version 7400 (Max) v2.6
L1 Cache 32K (instruction), 32K (data)
L2 Cache 1024K @ 200 MHz
Bus Frequency 100 MHz
Here's my Apple System Profiler info on my Yikes!
Machine Name: Power Mac G3 (PCI graphics)
Machine Model: PowerMac1,2
CPU Type: PowerPC G4 (2.6)
Number Of CPUs: 1
CPU Speed: 400 MHz
L2 Cache (per CPU): 1 MB
Memory: 1 GB
Bus Speed: 100 MHz
Boot ROM Version: 1.1.2f2
Comments? Worth the 11% increase in cpu power?
Bill Connelly
artsite: http://mysite.verizon.net/moonstoneartstudio
myspace: http://www.myspace.com/moonstoneartstudio
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