Dual booting in DOS(Windows) and CP/M-86
Don
have a small laptop computer.
I ran FDISK and when asked if I wanted to use all of the disk space as
an MS-DOS partition I answered "NO". I then left about 40 Meg of
space free on the drive and then formatted and installed DOS/Windows on
what was left.
I then made a 1.44M boot disk with CP/M-86 on it and then ran the
utility to set up the hard drive. It's been a long time so I don't
remember the exact steps I used but it is all documented in the setup
procedure. Anyway, CP/M-86 found that little 40 Meg chunk I left and
happily formatted it. I seem to recall a driver that allowed large
partitions on the hard drive.
Now if I boot in CP/M-86 I can run the utility that sets the active
partition. If I want to boot in DOS I just select the other partition
and reboot. Now I'm in DOS (or Windows). If I want to run CP/M-86
again all I have to do is run FDISK again and set the active partition
to the one with CP/M-86 on it and reboot again. Now I'm back in
CP/M-86.
Now if I only had a program that could move files between a DOS
partition and a CP/M-86 partition I would be set.
The only problem with this is that you must run FDISK to create the
free space for CP/M-86. If your drive is already formatted then you
need to start from scratch.
Don
Roger Ivie
> Now if I boot in CP/M-86 I can run the utility that sets the active
> partition. If I want to boot in DOS I just select the other partition
> and reboot. Now I'm in DOS (or Windows). If I want to run CP/M-86
> again all I have to do is run FDISK again and set the active partition
> to the one with CP/M-86 on it and reboot again. Now I'm back in
> CP/M-86.
Back in the days I was doing this sort of thing, I used a boot block
called BOOTANY that I found on the net. It popped up a little menu
allowing me to select the OS. Making a selection set that partition
active and continued the boot sequence. Came with source.
--
Roger Ivie
ri...@ridgenet.net
http://anachronda.webhop.org/
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Donald Coates
Thanks
Don
"Roger Ivie" <ri...@ridgenet.net> wrote in message
news:slrndrt547...@Stench.no.domain...
John Elliott
: Now if I only had a program that could move files between a DOS
: partition and a CP/M-86 partition I would be set.
Try "FILE XFER UTILITIES" (fx86.zip) from
<http://www.cpm.z80.de/binary.html>. They run under DOS and copy to/from
a CP/M-86 partition.
--
------------- http://www.seasip.demon.co.uk/index.html --------------------
John Elliott |BLOODNOK: "But why have you got such a long face?"
|SEAGOON: "Heavy dentures, Sir!" - The Goon Show
:-------------------------------------------------------------------------)
Donald Coates
it. Once installed it CAN'T be un-installed! The only way to get rid of it
is to do a low level format of the hard disk. This was possible on MFM
drives but not on IDE drives. Even running FDISK and deleting all partitions
won't get rid of it. The program appears to have been written with a real
IBM PC in mind since one of the options is to start the ROM BASIC, which
today's PC's don't have. Will keep trying.
Don
"Roger Ivie" <ri...@ridgenet.net> wrote in message
news:slrndrt547...@Stench.no.domain...
>
rfka01
news.ops.worldnet.att.net>, d.w.c...@worldnet.att.net
says...
think the parameter exists from 5.0 on, maybe form 6.0
on I'm not sure. It re-writes the original master boot
record of the HD, so everything should be as before you
had installed BOOTANY.
Robert
--
Wartna dir hilfi...
Donald Coates
web site called DiskWizard. One of its features is the ability to "zero" out
an entire IDE hard disk. That returns the drive to its original new
configuration.
My luck BOOTANY wasn't so good. The example installation used two versions
of OS2 and MS-DOS 4. I was trying to install MS-DOS 5, 6.22 and CP/M-86 but
it just wouldn't work. I finally settled on version 5 and CP/M-86. I used
"CVV" and got seven 8 Meg drives off the leftovers after install DOS. I want
to be able to run Z80MU310 and that program does strange things on DOS 6 or
higher.
Anyway, Thanks for all the help. BTW, I've got a Kaypro 10 coming on Monday
so it looks like I will be up to my ears in CP/M in a few days. :-)
Don
David Given
Hash: SHA1
Roger Ivie wrote:
[...]
> Back in the days I was doing this sort of thing, I used a boot block
> called BOOTANY that I found on the net. It popped up a little menu
> allowing me to select the OS. Making a selection set that partition
> active and continued the boot sequence. Came with source.
GRUB understands DOS file systems and will boot anything; you should be able
to have GRUB load from your MBR, with GRUB's system files living in the DOS
partition, and have it chain onto either your DOS partition or your CPM-86
partition as required.
- --
+- David Given --McQ-+ "There is // One art // No more // No less // To
| d...@cowlark.com | do // All things // With art // Lessness." --- Piet
| (d...@tao-group.com) | Hein
+- www.cowlark.com --+
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elaich
$qk4.1...@bgtnsc05-news.ops.worldnet.att.net:
> Even running FDISK and deleting all partitions
> won't get rid of it.
Did you try FDISK /mbr?
Donald Coates
Don
"elaich" <a@b.c> wrote in message news:42gigvF...@individual.net...