[DuoList] Duo 2300c Overclocking

Tom and Lisa Peters gionpeters at comcast.net
Thu Feb 23 16:36:09 PST 2006


>But everything was working on the 2300c?
>
>I overclocked a PowerBook 3400c once to 165mhz and everything still worked.
>
>I was hoping perhaps getting my 2300c to around 120mhz.
>
>On Feb 23, 2006, at 7:48 AM, <mailto:ElBrio at aol.com>ElBrio at aol.com wrote:
>
>>  I had a clock chip oscillator here I was using for a special 
>>app...think it was 37.333 or 37.5 mhz.  Just swapped the stock 
>>33.33mhz osc. chip with the 37 mhz part.  Everything worked, but it 
>>really didn't add that much to the processing speed.  Like MadDog 
>>says, the processor ratio needs to be changed, and that was 
>>hardwired, IIRC.  Any time you mess with bus speed, the chance of 
>>something not working increases.  At 42 mhz, my old 280C would run, 
>>but crash on occasion....but the modem would not work, ext. SCSI 
>>would not be reliable (bus speed affects the onboard SCSI interface 
>>chip, even tho externally it self-clocks) and the floppy would not 
>>work at all.
>>
>>Hey, but it was fun!
>>

Everything worked fine.  I took the precaution of replacing the apple 
gap pad with a superior one I ordered from digikey.

Mad Dog
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