[Coco] CoCo emulation on an IA-1 internet appliance

mike delyea mdelyea at gmail.com
Tue Nov 13 03:13:25 EST 2007

>From a DOS command prompt have you tried "fdisk/mbr" which repairs the
master boot record?

On Nov 12, 2007 8:05 PM, Roger Taylor <operator at coco3.com> wrote:

> I was just about to give up on this week-long project when I might
> have gotten somewhere tonight?
> The idea is to install MS-DOS on a 2-gig Compact Flash card so it
> boots up when inserted in the IA-1.  All along the IA booted up and
> kept reporting something to the extent of "Invalid or bad bootable
> partition".  Nothing I tried worked, and I've formatted that booger
> every which way possible, plus tried different parition types.
> I am using my Linux laptop with a CF slot, running Fedora 7, to
> parition and format the CF.  Tonight I did an fdisk /dev/sdb and
> deleted the partitions, (w)rote it back, and rebooted, went back into
> fdisk, created a new MS-DOS parition (o), added a primary partition
> (n) (p) (1), then made sure the DOS compatibility flag was set, and
> the bootable flag was set.  I then set the (t)ype to FAT16, (w)rote
> it back to disk, then did a mkfs.msdos /dev/sdb1.  Now when I insert
> the CF in the IA-1 and boot it up, no warning message but the cursor
> just blinks in the upper left corner of the screen forever.
> So I went back and changed the parition type to WIN95 FAT32, no
> dice.  Did a mkfs.msdos -v -F 32 /dev/sdb1, no dice.
> I'm not an expert on fdisk or mkfs, and I just can't seem to create
> an MS-DOS bootable CF like so many others have done (although most
> claim to have gone through painful experiences).
> Earlier today I first tried using my IDE to CF adaptor and attaching
> the CF as the primary slave HD on my old WIN95 box.  I formatted the
> CF with the checkboxes for creating an MS-DOS system disk, which DID
> put the files on the CF, but I still got the Bad bootable partition
> message on the IA-1.
> Joe from this list sent me pics of his IA-1 running the Keil emulator
> just a day or maybe two after he received his IA-1 from an ebay
> win.  I'm going into my second week at this and it's driving me
> nuts.  :)  Any googling of the subjects turns up 90% cries and begs
> from others now and in the past trying to do the same or similar
> tasks like installing Windows 98, XP, etc. on a CF.  I'm just trying
> to put the basic MS-DOS system files and make it bootable, with no luck.
> Any help would be greatly appreciated, and ofcourse I'll give credit
> to the people to help make it happen and mention it on the front page
> of the site where I posted the question, "can the webmaster turn this
> into a CoCo?"  :)  Apparently...... not in less than 2 weeks without
> some gurus stepping in.
> I'll also put together a tutorial and play-by-play for anybody else
> wanting to do the same project once I learn what I'm doing wrong and
> some of the logic behind the partitioning scheme that "should" work
> since the IA-1 is just a computer.  The BIOS is set to boot from the CF,
> btw.
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco

More information about the Coco mailing list