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on bootup CD-ROM is "ATAPI Incompatible"

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9 replies

by 1i1m01e

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I replaced the cd-rom drive in a Pentium II 350 MHz. AMI BIOS 8/5/1998. A soft boot (hitting the reset button) recognizes the cd-rom drive. A cold boot does not and gives a "ATAPI Incomptatible" error. It is an AOpen cd-rom drive, model 48x, IDE. The cables are connected properly. Thanks in advance.

9 replies

by dread_aus

Have you tried re-autodetecting the hard drives in bios, I've seen a couple of pc's do that when i have replaced a faulty older cd-rom with a brand new one, but only with AMi bios's.

by rgravelle

Try setting all your drives to auto detect
in your bios if it supports it.
You must set both ends of the drive parameters lines to auto.

by estebandelatorre

The hardware seems to works fine trough a soft boot, so the problem may came from the setup. Try to set the cd rom drive (every parameter) to AUTO, and then perform a hard Boot. (you should know if it is a Master/slave Primary or secondary IDE)
If the error persist, try checking jumpers on the cd rom drive
Cable select (CS) = Removed
Master=ON -> If it is the only device in the cable.
Slave=ON -> If there is another device connected at the IDE cable

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