[Coco] Problem w/HDBDos chip

[Bill Pierce]

Are the drives by any chance 5.25 80 trk drives?
If so, then that would explain it. Other than that, ????
 

Bill Pierce
"Today is a good day... I woke up" - Ritchie Havens
 

My Music from the Tandy/Radio Shack Color Computer 2 & 3
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-----Original Message-----
From: Bill <cwgordon at carolina.rr.com>
To: Coco Enthusiasts <coco at maltedmedia.com>
Sent: Sun, Feb 8, 2015 9:38 am
Subject: [Coco] Problem w/HDBDos chip


I have two HDBDos eprom chips that have been working beautifully with
DriveWire 4.33 for over a year in an FD-501 controller on my dual 3 ½”
drives. However, with this latest purchase of Coco “stuff”, I received a set
of dual 5 ¼” drives. I hooked up the controller with the  HDBDos eprom chip
in it, and it worked great UNTIL I tried to access the physical drives. I
typed DRIVE OFF (which had been working on this very computer), and all I
got was NOTHING. The drive light came on, but that was it. And the disk
worked perfectly with another FD-501 controller with original RS-Dos in it.

 

Ideas? What more info do you need to hazard a guess?

 

Thanks


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