The disclosed embodiments relate to an equalization circuit, which may include a first sense amplifier having an input, the input being electrically isolated from an input to a second sense amplifier. An equalizer may be connected to the input to the first sense amplifier to provide an equalizing voltage to the input to the first sense amplifier. The input to the first sense amplifier may be equalized by the equalizing voltage independent from the input to the second sense amplifier.

 
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> Method and apparatus for determining a type of disk

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