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Loses CDROM after sound is installed

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11 replies

by rustys 1 view

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Now he has 600 mhz AMD with ATX case and a 10 Gig hd. The grief comes from the m/b. It has onboard sound. When we try to install what appear to be the drivers we loose the CD-ROM, so badly that windows does not recognize that it is there even with a search for new hardware.

Mainboard: Microstar Inc KT-7 Pro 6330

11 replies

by paul d. masley

Go to you system properties and under device manager, see if any conflicts are occurring. It appears that the onboard sound componets are attempting to use the IRQ set aside for the CD. If possible, manually set the sound for IRQ5, DMA 01 and the cd for IRQ14 if is the slave on the Primary IDE Controller and IRQ 15 if it is on the Secondary IDE Controller.

by grantcom

Boot into Safe Mode go to Control Panel, System and Device Manager....delete all CD drives you find. I would alos go down the list clicking each + sign and delete all redundant entries, pay particular attention to "Sound"...I would delete all entries in Sound. When Windows reloads it will set up all.

by mark_sheard

make sure the jumper on the 10gig is set to master, and CD is on slave that is if you are using the same IDE port.. other wise it is much easier to plug the cdrom in the secondary ide port..
Also try setting up your cdrom drivers in your config.sysand autoexec.bat file
and check there are no irq conflicts... as previously mentioned..

by simon beck

Setup the sound card drivers as you've already done. Delete all duplicate entires under device manager in safe mode.
Reboot the system and apply the bus master drivers for the m/b.

by byron_hall

In System Properties, there are 4 Direct Memory Access (DMA) addresses available. Depending how the CDRom is attached to the MB, it may be accessing one of these DMA addresses. When the sound drivers are installed, most time the sound drivers willovertake a DMA address. Go to System Properties/Device Manager - highlight Computer at top of list, click on properties. Check the DMA and look for a conflict.

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