What are the issues surrounding OnTracks Disk Manager?
This is a cross between a background section and a mini-FAQ on Disk Manager. If you want to know more or have problems, read this. Disk Manager 6.x (and above) is a piece of software that performs the translation necessary to access harddisks of more than 1024 cylinders with DOS/Windows. This is achieved by installing a Dynamic Drive Overlay (DDO) to translate drive parameters. At present, it provides only the basic translation functions, without EDPT or extended INT13 calls. Of course, this is less of an issue in a software driver than in a system BIOS. If Disk Manager (DM) is used to format only the slave drive, the DDO can be installed in the config.sys as an ordinary device driver (device=dmdrvr.bin). On the other hand, using DM on the master drive isn’t quite that easy from a technical point of view. Since you must boot DOS from the master drive, and you must load the DDO before you can access the drive, the only option is to load it very early during the boot process, before the
