:icon_mrgreen: Mine AMD K6 runs at 533 MHz. I am looking into up grading the memory in this thing from 512 to a gig. Dunno the motherboard type. Where do I look to find out? I also am wondering the difference in 100 and 133 MHz memory. May be a stupid question, but, I trully have no idea. Thanx in advance.:?: my system board is an AGP PCI IMB USB i2c SMBus

If you download Everest Home Edition it will tell you what your motherboard is. If your computer is a retail it would help to know the make and model.

PC 100 and PC133 is the speed of the RAM modules. You can mix the two but you should be aware that if you do the slower module will dictate the speed, this means that the faster module will underclock to the speed of the slower module...133 down to 100.

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