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I have an enhanced IDE card with two ports, but the CD-ROM/DVD-ROM drive is not being recognised when it is connected to the secondary port, why?

April 26, 2017card CD-ROM connected drive DVD-ROM Enhanced IDE ports recognised Secondary

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I have an enhanced IDE card with two ports, but the CD-ROM/DVD-ROM drive is not being recognised when it is connected to the secondary port, why?

1 Answer

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The secondary port of some enhanced IDE cards (eg. those using the CMD0640x chipset) is left unopened when the PC system is initially powered on. In these cases, the CD-ROM/DVD-ROM device driver will not be stable when the CD-ROM/DVD-ROM drive installed. To resolve the problem, install the device driver bundled with your enhanced IDE card to open the secondary port.