Hello,

I've got a Beige G3 minitower that has what I believe to be a
"Yikes!" 400 mhz zif in it.  Machine performs beautifully as long as
I don't attempt to activate the L2 cache.  No cache-enabling software
will work on it.  I have tried the xlr8 stuff, the PowerLogix stuff,
nothing works.  Machine freezes or gives bomb screens with bus
errors, finder errors, etc.  Cannot enable the L2 cache without a
crash.  And when it crashes, it usually takes the desktop file with
it, giving me gibberish text for icon names, etc.

Have tried very OS from 8.6 up to 9.2.2.  All behave the same way.
As soon as the xlr8 (v 2.6.1) or powerlogix cache extension loads,
the machine freezes or bombs.  Clean install after clean install.
Brand new hard drive.  Diskwarrior'd and PlusOptimized, zapped pram &
rebuilt desktop until I'm blue.  Tried holding down
"apple-option-x-r" etc. as suggested in xlr8 read me, while starting
up, no difference.   Most of the time it won't even let me get far
enough to enter the xlr8 serial.

Here's the rest of the facts:

-Three brand new sticks of 256mb RAM (recommended for Beige G's w/G4
upgrades by MemoryX) Kingston KVR133X64C2/256, RAM tests fine.

-Revision 3 Rom

Mobo:  Part # 820-0824-B ©1997, got the Rage II DVD chip.
Jumper set to PS2 Supply
Serial # KD8128AHAOlb

A/V board ©1997, 820-0923-A "Wings board"

Voltage Regulator
Raytheon RCB010 VRM for Power PC
Rev 01 O/CA1981004WS

Processor zif:
Motorola XSC7400HIP400CE
B393YN 337-2580

on the processor chip itself:
XSC7400
RX400NG
86J87W
DCD9938

-Jumpers set at 400mhz, 66mhz bus speed, nothin' extravagant.

-Have stripped the mobo down to bare and let it sit & rebuilt it back
up twice.  Punched the cuda til I'm blue.

-Google'd everything I could find about it, and nothing addresses
this.  Found was an old page at xlr8yourmac that said "oughta work
fine...oughta get 500mhz out of it without a prob", which is what
everyone else I've talked to about this has said, and I've consulted
with several true Mac Guru types.

Can anyone help?  I'm a long-time Mac users, and I rarely have this
sort of trouble with any kind of Mac hardware, and this is driving me
crazy.

Thanks in advance.


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