From another thread contribution, I thought I'd ask more about it in
a separate thread ...
I have a Yikes! oc'd successfully from 400 to 450 running XLR8 MACh
Speed Control 3.4.2 as cpu monitor. It gives a cpu speed of 448.0 MHz
and an L2 cache speed of 224.4 MHz. Mobo memory is 1024MB with a
speed of 99.7MHz. For my G4 7400 cpu, it also estimates temperature
(from my chilly Startup Room Temp of 16ªC (60.8ªF) to up and running
awhile 24 (75.2).
For comparison, here is Xbench 1.3's System Info:
System Info
Xbench Version 1.3
System Version 10.4.11 (8S165)
Physical RAM 1024 MB
Model PowerMac1,2
Processor PowerPC G4 @ 449 MHz
Version 7400 (Max) v2.6
L1 Cache 32K (instruction), 32K (data)
L2 Cache 1024K @ 225 MHz
Bus Frequency 100 MHz
Video Card ATY,RV100
Drive Type ST380021A
and Apple System Profiler's:
Hardware Overview:
Machine Name: Power Mac G3 (PCI graphics)
Machine Model: PowerMac1,2
CPU Type: PowerPC G4 (2.6)
Number Of CPUs: 1
CPU Speed: 450 MHz
L2 Cache (per CPU): 1 MB
Memory: 1 GB
Bus Speed: 100 MHz
Boot ROM Version: 1.1.2f2
Has anyone used XLR8 MACh Speed Control from daystar.com to control
their upgrade or overclocking? It allegedly tests various L2 cache
speeds and only uses a successful, maximum speed for it. A possible
source of hangs if too fast?
I think of it as a safety net ... when oc'ing G4 cpu-s, IMO. Is this
a good assumption?
When running under Apple's (non-XLR8) assigned cpu/L2 cache speeds,
the system seems snappier, but the feel bothers me. Sort of makes me
wonder, when is it going to hang ... (from previous experience on a
PPC 8500 and cpu upgrades).
Any references about how it works? other info/comments?
Thanks.
Bill Connelly
artsite: http://mysite.verizon.net/moonstoneartstudio
myspace: http://www.myspace.com/moonstoneartstudio
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