[Coco] Booting OS9 from Drive 1

Stephen H. Fischer SFischer1 at Mindspring.com
Mon Oct 5 13:20:51 EDT 2009


Same advise from another Stephen.

I had identical copies of my boots disks in both sizes and was able to throw 
the switch swapping /D0 and /D1 almost anytime OS-9 was not working with 
either drive.

Worked extremely well for me.


----- Original Message ----- 
From: "Stephen Castello" <zootzoot at cfl.rr.com>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Monday, October 05, 2009 9:01 AM
Subject: Re: [Coco] Booting OS9 from Drive 1

> On Sun, 4 Oct 2009 19:06:03 -0700 (PDT), Derek <dml_68 at yahoo.com> had
> a flock of green cheek conures squawk out:
>>I am having a problem being able to boot OS-9 in the following 
>>configuration. I have an FD-502 Drive housing with a 3.5" and a 5.25" 
>>drive. My 3.5" drive is set as drive 0 and my 5.25" is set as drive 1. I 
>>have some old 5.25" OS-9 based disks that need to boot using the DOS 
>>command. I switch to drive1 and then type DOS. It starts to load OS-9, 
>>goes to the Loading OS-9 Screen but will then automatically switch to 
>>drive 0 trying to access the boot data on drive 0 and not boot from the 
>>5.25" disk in drive 1. I have tried using the drive1 command to set it as 
>>the boot drive but no luck.
>>Is there an easy way to make it so I can boot off drive 1 and uses these 
>>old 5.25" OS-9 disks without having to make a backup on to a 3.5" drive 
>>for each disk I want to boot?
> One way is modify your drive setup.  Install a double pole-double
> throw switch on the drive select jumpers on the two drives to swap
> them as needed.
> -- 
> Stephen

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