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PNP Bios

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7 replies

by dmcelyea

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OS-Windows 98
Was running a Standard CD-ROM on Secondary IDE as master with Phillips CD/RW as slave.
Replaced the Phillips with Ricoh CD/RW. On Bootup to Win98 neither CD-ROM was loaded.
In the system settings there was a conflict shown (System Board Extension for PNP Bios).
I disconnected the Standard CD-ROM and connected the Ricoh as the only CD-ROM and windows picked up on it with no problem. The conflict was still listed in the system settings. Win98 locked up a couple of times afterthis. There is still a hardware conflict somewhere. I would like to have both CD-ROMs running as before.

7 replies

by mphoffar

Just a guess, but it sounds like some sort of DMA issue. If you can, try to manually set the secondary IDE PIO settings to 0/0 instead of auto-detect 9or whatever it's set to)

Mark

by calves

Try something basic b4 your start changing all the Win98 config around.
Delete both the CD-Rom and the CDRW off Device manager.
Make the CDRW a master on the second, and the CD-Rom a slave either on the second or the primary.
Boot it and let Win98 pick it up and install it as PNP.

Good luck!

by eyesak

Do both CD ROM drive and CD/RW drives have jumpers? May be too obvious if they do, but make sure one set to master and one set to slave.

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