On Mon, 26 Aug 1996, Brian K Servis wrote:
> Just thought I would start here to see if I can find a solution. I
> have a Micron PCI Pentium-90 PNP system with the EIDE controllers on
> the mother board. On the primary controller I have two 1.2G Western
> Digital HD's. The master is partitioned into 2 drives all for
> Win95. The slave is partitioned into 2 drives for Debian, swap and
> everything else(it is a home machine). I have a EIDE CD-ROM on the
> secondary controller. Here is the situation/problem. If I am in
> Debian and then warm boot into Win95, Win95 forgets about my CD-ROM
> drive. I have to cold boot the machine to get it back. I have it set
> as G: just in case Win95 is trying to assign the linux partitions, it
> knows the second drive is there. I am using LILO to boot manage and
> have Win95 as the default(other non-linux family members use it).
>
Your problem might be with the way Windows95 is set up. I had a problem
with Windows95 and a Hitachi CDROM on the second controller. Windows95
would not recognize it unless I changed the driver to the standard IDE
controller as opposed to the bus-mastering controller. The hard disks
work fine with the bus-mastering controller on the primary interface.
The fix is to go into the registry editor and work your way to:
MyComputer\HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Class\hdc
This will contain 4 entries
Entry 0000 is always set to the "Standard IDE/ESDI hard Disk Controller"
Entry 0001 describes the overall dual port IDE controller and is probably
set to something like "Intel 82371FB Bus Master IDE Controllers"
Entry 0002 is the setting for the primary interface and is probably set to
the following:
Devloader: *IOS
DriverDesc: "Primary Bus Master IDE Controller"
InfPath: IDEATAPI.INF
InfSection: BMIDE_Child
PortDriver: ideatapi.mpd
Entry 0003 will probably be set up exactly as 0002 but I have changed it
as follows to accomodate the CDROM problem:
DevLoader: *IOS
DriverDesc: "Standard IDE/ESDI Hard Disk Controller"
InfPath: IDEATAPI.INF
InfSection: BMIDE_Child
PortDriver: ESDI_506.pdr
This fix has solved my problem and it might be that you are seeing the
same kind of effect when you warm boot, since Linux handles the CDROM
with no problems at all times. The only difference is that on a cold
boot to Windows95, the CDROM was never visible before the change.
Cheers,
Carlo
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* Carlo U. Segre *
* Department of Biological, Chemical and Physical Sciences *
* Illinois Institute of Technology, Chicago, IL 60616 *
* Voice: (312) 567-3498 FAX: (312) 567-3494 *
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