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Problems upgrading Toshiba Tecra

Last response: in CPUs
September 6, 2009 11:04:22 PM

Just for the heck of it, I decided to try to upgrade my Toshiba Tecra 8000 with a PII 400 upgrade processor I bought off of eBay a while back. After several hours of getting through everything, I plugged in a couple of key components to test it out. The hard drive spins, but the monitor and fans do not come on.

Is there a specific jumper that I need to change? I thought the Tecra motherboard was supposed to detect the new speed.

September 13, 2009 6:50:24 PM

March 1, 2011 1:54:27 AM


The Toshiba Tecra 8000 motherboard that was supplied in the original system build has been specifically configured for the supplied processor. Substituting the processor with different model is fraught with a number of problems including CPU electrical differences and motherboard BIOS (CPU microcode) support incompatibilities.

Typically insertion of a miss matching CPU will result in the system's failure to boot, and abnormal behavior (which is consistent with your observations).

As far as I am aware there are no jumpers on the motherboard that may be reset by hand, and I am not aware of any alternative BIOS images that you could try.
Generally there is little in the way of information on the www about overclocking this model of laptop.