Can I Have Two Operation Systems On The Amiga

[atom-ant]

This is My Setup-:
 An Amiga D-Box towered A1200.  Hardware includes:
•   D-Box tower with 400w PSU
•   EZ VGA scandoubler and flicker fixer - allowing use of flat screen LCD monitor
•   A1200 motherboard revB with 3.1 ROMS
•   Blizzard 603e @160Mhz  PPC/68040 @25Mhz accelerator board with 160MB RAM (1 x 128, 1 x 32)
•   BVision PPC graphics card with 8 megs graphic memory
•   PCMCIA Network card (LAN) and PCMCIA right angled adaptor
•   2 x 20 GIG HD
•   CD RW
•   Floppy Drive
•   Amiga trackerball mouse

Is it Possible to have two operation systems on the Amiga tower which would be Amiga OS 4.0 and Amiga OS 3.9

[wawrzon]

sure.

[zipper]

I do have 3.1, 3.9, 4.0 + emulated PC Ms-Dos 6.22 + Win95 + emulated MAC OS 7.6 + 9.0.

[atom-ant]

I have only just got back into the Amiga I have a Amiga 1200 which I have just go out of the loft The question I want to ask is it easy to put another operating system (3.9) on the Amiga I have OS4 running do I have to reinstall OS4 can I do this with OS4 running.

[amigadave]

zipper wrote:
I do have 3.1, 3.9, 4.0 + emulated PC Ms-Dos 6.22 + Win95 + emulated MAC OS 7.6 + 9.0.

Impressive!  I would like to know more about your system and how well it runs MacOS9.0.  Also, how are you running Win95 and DOS 6.22?

I used to have an A2000/030 set up to run DOS 6.22 via a bridgeboard and MacOS7.6 through ShapeShifter.  I would like to duplicate that system again, but with an A4000 060/50mhz + 604e PPC @233mhz running MacOS9.0.

[Matt_H]

atom-ant wrote:
I have only just got back into the Amiga I have a Amiga 1200 which I have just go out of the loft The question I want to ask is it easy to put another operating system (3.9) on the Amiga I have OS4 running do I have to reinstall OS4 can I do this with OS4 running.

All you need is another bootable partition. I have DH0: (3.9, default), MOS: (MorphOS) and OS4: (OS4) on my machine. Use the early boot menu to switch between them. For OS4, it's very helpful to set the BootDevice kickstart module to force booting from the OS4: partition. Otherwise, after the OS4 modules are loaded in the machine will try to boot from the 3.9 partition (based on boot priority numbers), yielding some very unstable results.

[sim085]

So I can have two bootable partitions one for 1.3 and another for 3.0? I though this was impossible!

[CLS2086]

Yes you can. I did it !
1.3 / 3.1 / 3.5 / 3.9 / UnixPPC / MOS / et now I added OS4 on my 1200PPC

1.3 / 3.1 / 3.5 / 3.9 / HSF MAC OS8/Fat16b DOS6+Win3.1 / Fat32 - Win95 Osr1 / Unix / Unix swap  on my A2040.

[sim085]

Sorry for my stupidity ... is there a guide that shows how this can be accomplished? Also can I have two bootable partitions of the same operating system?

Thanks and Regards,
Sim085

[Framiga]

Take a look here

[Ilwrath]

@cls2086

1.3 / 3.1 / 3.5 / 3.9 / UnixPPC / MOS / et now I added OS4 on my 1200PPC

I'd sure like to know how you did Workbench 1.3 installed on an A1200.  As soon as you go to a 1.3 kickstart, you lose access to your hard drive....

[murple]

If you use a CF to IDE converter and mount it so you can swap the cards without opening the case, you could have as many OSes as you have Compact Flash cards.

[sim085]

murple wrote:
If you use a CF to IDE converter and mount it so you can swap the cards without opening the case, you could have as many OSes as you have Compact Flash cards.

...

I am interested in having something like with a PC, on start-up you get a menu asking in which OS you want to boot.

By any chance ... is this only possible with an installation of OS4? I have an A500+ and therefore OS4 is definitely out of my reach.

[Ilwrath]

By any chance ... is this only possible with an installation of OS4?

Naw.. you can set up a multi-boot on any AmigaOS versions around.  I had my old A500 set up with 1.3 and 2.1 (No reason you couldn't do 3.1, as well, just it wasn't out way back then!)  

What I did was have a bootable DH0: with an s:startup-sequence in it that loaded just enough minimal files to boot to a menu.  Each option on the start menu had an associated S: script which would rekick a kickstart, if necessary, move the assigns and mounts to whichever OS version I wanted to boot, then it would hand-off to the s:startup-sequence for that OS.  It was pretty slick for 1992.  :lol:

[Homer]

I use this for backing up my workbench partition. Copy the whole partition into another bootable partition, and choose which one to boot from in early start up as mentioned before. Then you can change anything you want without breaking the OS  :lol: