pogoh@zgom21.dec.com (03/03/89)
I would like to have Xenix & DOS coexist on the hard disk of an IBM PC XT compatible. Can someone tell me in detail how to install the two OS on the hard disk? What must we do upon booting up for the first time and how do we switch from DOS partition to Xenix partition & vice versa? Can 'FDISK' on the DOS be used to create & format the partition for Xenix? Thanks in advance. I can be contacted at VAXMail address zgom01::pogoh or ALL-IN-1 mail PO GOH@ZGO.
ked@garnet.berkeley.edu (Earl H. Kinmonth) (03/03/89)
In article <8903030223.AA18546@decwrl.dec.com> pogoh@zgom21.dec.com writes: >I would like to have Xenix & DOS coexist on the hard disk of an IBM PC >XT compatible. Can someone tell me in detail how to install the two >OS on the hard disk? What must we do upon booting up for the first time I did this a number of times with an ATT 6300. The basic trick is to follow the manual. Do the DOS side first. Use fdisk to set up your DOS partition, then do Xenix. The only real nastiness, as I remember, is ambiguity in the instructions. If you screw up or decide you want to change sizes and have done at least part of the Xenix installation, use the Xenix fdisk command to delete the Xenix partition. Then, start over. If you do not do this, msdos fdisk cannot change the partition size. >and how do we switch from DOS partition to Xenix partition & vice versa? This is explained fairly coherently in the documentation. When running Xenix, you have two alternatives: (a) as root run fdisk, make the dos partition active, haltsys, hit any key; (b) insert a bootable msdos floppy, haltsys, hit any key. From msdos, use fdisk to make the xenix partition active, use alt-ctl-del. >Can 'FDISK' on the DOS be used to create & format the partition for Xenix? NO. Recent versions of SCO Xenix allow you to haltsys, hit a key, and type dos to reboot under MSDOS. Since I no longer use the 8086 version and do not have updates, I cannot tell you whether this feature has been added. It is in the 80286 versions.
todd@stiatl.UUCP (Todd Merriman) (03/03/89)
In article <8903030223.AA18546@decwrl.dec.com> pogoh@zgom21.dec.com writes: >I would like to have Xenix & DOS coexist on the hard disk of an IBM PC >XT compatible. Can someone tell me in detail how to install the two >OS on the hard disk? (1) Are you sure you want Xenix on an 8088? (2) Most manufacturers of disk controller boards supply disk preparation software with which you will: (a) low-level format the hard disk (b) boot, and install MSDOS (3) Under MSDOS, high-level format the disk and create a partition for MSDOS and a partition for XENIX. (4) Select XENIX as the primary partition (5) Boot, and install XENIX Thereafter, the loading of the boot sector, which has been provided by XENIX in the primary partition, will allow you to select whether to boot MSDOS or XENIX. I can't really give more detailed instructions than this, as the installation procedure depends primarily on your disk formatting software. I, fortunately, had help configuring my machine from someone very experienced in such things; and you may look for that kind of expertise in your local user groups. ...!gatech!stiatl!todd Todd Merriman 404-377-8638 Atlanta, GA