Intel IDE Controller Problem (It's darned annoying)

Hi there,

I've got a PC with an Intel 82371AB/EB PCI IDE Controller and everything was fine until I added a new hard disk and then removed it.  I now find that I can no longer see my CD-ROM though Windows '98 although it is definately connected OK as I can see it from DOS.

When I check my '98 config I find that the Intel Controller itself is working fine - there are two 'child' devices however that aren't working and my CD-ROM won't auto-detect.  The two devices that are failing are:

Primary IDE Controlller (dual fifo) and
Secondary IDE Controller (dual fifo)

I've tried everything I can think of, including removing the offending device and attempting a reinstall, but all to no avail.  I remember having a similar problem on an Elonex machine a year or so ago (although under '95) but can't work out how to solve the problem.  I suspect the failure of these two devices is what is also preventing my CD from being detected.

Pete
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peterwestAsked:
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rmarottaConnect With a Mentor Commented:
Pete,
Glad to help.
So far your problems have been pretty simple......  ;)

Regards,
Ralph
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netmageCommented:
There used to be a problem with Intel drivers and win95 if you had the MSCDEX.EXE entry loaded in DOS (autoexec.bat) when loading win95.

If this is your case, place REM infront of the MSCDEX entry and save it.

netmage
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peterwestAuthor Commented:
Thanks netmage - but i've already done that and it doesn't work.  
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peterwestAuthor Commented:
Thanks netmage - but i've already done that and it doesn't work.  
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MindbenderCommented:
It doesn't sound like master/slave settings, I'd recommend installing the generic IDE controller drivers and we'll see what happens. Try disabling your second IDE controller (I'll assume that is the problematic one) and see if the primary then works OK.
Also, check for virusses!! I had this very problem and it was a harmless virus known as Stoned.Spirit. It did exactly this. I could access the CD through Windows IF the DOS drivers were loaded.
To see if you have this or a similar MBR virus, go to control panel-system-performance. It should give a rundown of any problems found.
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rmarottaCommented:
Pete,
Check System Performance tab for any drives operating in "Dos compatibility mode".(Tell me if such a message exists.)

Be sure both controllers are enabled:

Go to Device Manager-> Hard disk controllers-> click the "+"-> highlight the controller-> click Properties button-> click Settings tab- and select "Both IDE channels enabled" from the drop-down list.

Let me know what you find
Ralph
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ikxsoftCommented:
reinstall all of you motherboard drivers, and the ide drivers
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peterwestAuthor Commented:
ikxsoft,

No - that's not really the answer I was looking for.

----

Ralph,

I've checked the system performance tab and it is operating in dos compatability mode.   Both the primary/secondary channels are enabled and i've ensured that they are also enabled in the parent device.

ANy more thoughts?

Pete

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rmarottaCommented:
Boot to safe mode.
Search registry using regedit for a "NOIDE" statement.
Delete it.
Remove the controller in Device Manager.
Shutdown & re-boot.

Is the CDROM installed the next time Windows loads normally?
(Check My Computer)

Ralph
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peterwestAuthor Commented:
Ralph,

Yay!!! Once again you've cracked the problem - I did as you suggested and it auto-detected the device.  It then said about searching for the drivers and I noticed that the .INF file it picked up was different to the usual one.  Anyway, I let it carry on and when the machine came back after it's reboot the CD-ROM and everything else was there.

CHeers,

Pete

P.S. Just post an answer and i'll award you the points - and to think some people would have had me reinstall ALL of my drivers :)

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peterwestAuthor Commented:
He,he,he,he - easy for u maybe.  Unfortunately my expertise lies in programming :(

Cheers anyway,

Pete
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