[Coco] Disk drive question

[Bill Pierce]

Stock for now till I can get it going, then as soon as I can get things transferred I'll try Nitro


Music from the Tandy/Radio Shack Color Computer 2 & 3 
https://sites.google.com/site/dabarnstudio/
Bill Pierce
ooogalapasooo at aol.com




-----Original Message-----
From: Robert Gault <robert.gault at att.net>
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Sent: Tue, Jan 17, 2012 9:56 pm
Subject: Re: [Coco] Disk drive question


Bill Pierce wrote:
 My drive on a Coco 3 with 2meg memory, Fd-502/J&M controller, with/without 
ultipak. 1 40trk DS, 1 80trk DS (tried switching drives and jumpers). The drive 
ill read and load an OS-9 level 1 system disk but when I try (several) Os-9 
evel 2 boot dsks, it either freezes on "OS9 Boot" or starts to boot then resets 
ack to DECB. These boots are know to be good. It also errors on sector 0000 
hen trying to format a disk. DECB seems to format fine but I have no DECB disks 
andy to check. OS9 "backup" does not seem to work. lists several errors as it 
ormats, backup disks will not boot afterwards. I've cleaned contacts and 
ttempted to clean heads as well as I could with a q-tip. I do bot have a 2nd 
oco to check for a bad coco. It seems to be working fine. All commands work 
ine from the Level 1 boot.


Are you using stock OS-9 or a recent NitrOS-9 floppy?
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