Hi tony,
>> I thought that perhaps they were 80 track drives or some such,
>
>Are there any letters after the FD-503 part of the number? In general
>Teac suffixes tell you the number of heads and cylinders.
Is TEC (Tokyo Electric Company) TEAC?
No extra letters - I'm pretty sure they are standard 40 track drives,
but I have not been able to dig up any hard info so far.
>> Does anyone know anything about these drives? Are they 80 track
>> or otherwise "odd"? Are they known to have a high failure rate
>> (especially with age)? Any info would be appreciated.
>
>Does the disk rotate? Does the head seek to cylinder 0 at power on? Have
>you tried looking at the ReadData line on the interface connector with a
>'scope or logic analyser?
Drives spin and seek - everything looks normal except that they reseek
a couple of times and then report an error - haven't scoped the read data
yet (this weekend).
Regards,
Dave
--
dave04a (at) Dave Dunfield
dunfield (dot) Firmware development services & tools: www.dunfield.com
com Vintage computing equipment collector.
http://www.parse.com/~ddunfield/museum/index.html
Received on Thu Jun 24 2004 - 05:21:44 BST