--- "Baltissen, R (Ruud)" <email@example.com> wrote: > Hallo allemaal, > > Maybe OT but I assure you that these drives end up in service of my > Commodores in one or anther way. > > I have been given a small cabinet containing two SCSI-HDs. I took an old 486 > from the shelf, inserted a SCSI-controller and checked and formatted the > drive. Now I was curious if I could use these drives under DOS as well > alongside the native IDE-system. But FDISK didn't even see the drives. Depending on the controller, old Adaptec ones came with "AFDISK.EXE". I haven't had a problem mixing SCSI and IDE, but I use top-end Adaptec controllers like the 1542C (for ISA) and the like. FDISK can't find your drives probably because of a lack of BIOS support. If your controller is of the variety typically used for scanners and such, there probably isn't a SCSI BIOS onboard. If you have a bootable controller (like the 1542), you have to set the dip switches and the internal settings to let DOS see the drives. > And, on a lower level, what must I do so I can handle these drives using > Interrupt-/ML-routines? I know nothing about interrupt handlers under DOS. If there is no driver loaded (BIOS or otherwise), you can go bang on the ISA I/O ports to send SCSI commands to the drives, but I'm not sure what it takes to hook in an ISR under DOS. -ethan ===== Visit "The Seventh Continent" http://penguincentral.com/penguincentral.html __________________________________________________ Do You Yahoo!? Check out Yahoo! Shopping and Yahoo! Auctions for all of your unique holiday gifts! Buy at http://shopping.yahoo.com or bid at http://auctions.yahoo.com Message was sent through the cbm-hackers mailing list
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