HUB DEVICES AND METHODS FOR INITIALIZING HUB DEVICE
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United States of America Patent
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app pub date -
Jul 11, 2013
filing date -
Jul 13, 2012
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Abandoned
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Abstract
A hub device includes a first chip, a second chip and an external memory device. The first chip includes at least a first upstream port and multiple first downstream ports. The second chip includes at least a second upstream port and multiple second downstream ports. The external memory device stores firmware data corresponding to the first chip and the second chip. One of the first downstream ports of the first chip is coupled to the second upstream port of the second chip to form a tiered hub. The first chip and the second chip are sequentially enabled and the first chip and the second chip sequentially load the corresponding firmware data.
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