[Coco] Hi there a quick question about disk controller cartridges.

[Arthur Flexser]

Yes, definitely Extended Basic is required for Disk Basic to be recognized
in the cartridge slot.  The test for its presence is within the Extended
Basic ROM.

Art

On Mon, Aug 31, 2015 at 7:28 PM, Walter Miraglia <walter.miraglia at gmail.com>
wrote:

> I purchased a disk drive FD 500 and 26-3129 controller. I was able to test
> them at VCFMW and they both worked great (thanks again guys).  I brought
> them home. Then I unpacked my recent eBay purchase and set it up. It
> powered up and all keys work.  ( a COCO 2 ) with 16 k ram (expandable to 64
> with 2 64x4 ram chips)  version  1.3 basic in the standard 8 k rom (but
> switchable to 16k because the rom socket on the motherboard is 28 pin).
>
> I plugged in the controller and the boot message at the top of the screen
> did not indicate disk basic like it did when we tested it at the show.    I
> cleaned the contacts on the cartridge port and cleaned the contacts on the
> cartridge but no luck.
>
> I think I remember Neil saying I would need extended basic before the disk
> basic would work.  Can anyone confirm this?   I was going to burn a 16 k
> 27128 this evening as soon as I find the file and then change the jumper
> setting on the board to 128k.
>
> The testing was all done with COCO 3's which I am hoping to get soon,  and
> we know this cart does not require 12 volts as it worked fine in the COCO 3.
>
> Unfortunately I don't have another cart to test with to verify its not the
> COCO 2 with basic 1.3.
>
> Help?   :0)
>
>
>
>
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