Re: 8050 6530s

From: William Levak <wlevak_at_SDF.ORG>
Date: Mon, 3 Aug 2015 03:32:38 +0000 (UTC)
Message-ID: <Pine.NEB.4.64.1508030332080.16550@sdf.lonestar.org>
Were you able to read the 6530?


On Fri, 17 Jul 2015, William Levak wrote:

>
>
> there is a program at:
>
>   www.zimmers.net/anonftp/pub/cbm/firmware/drives/old
>
> that will read out the 6530 ROM.  The comment has the device numbers 
> reversed.  Since the program uses the controller's RAM to transfer the data, 
> it must be written out on a different drive.
>
>
> On Wed, 15 Jul 2015, Ville Laustela wrote:
>
>> 
>> Hi.
>> 
>> If it’s any help, I have an 8050 disk drive. Looking at my photos of 
>> it’s insides, it has Micropolis drives (”Micropolis Disk Storage Module 
>> Model No. 1006-II”) and the UK3 is 901483-03, dated 5081 (I think, the 
>> photo is rather fuzzy). The analog board has voltage regulators on the back 
>> corners.
>> 
>> I don’t have a dump of the chip, but I could probably do that. How was it 
>> done on these RIOT chips again? Can I dump it’s contents over Zoomfloppy, 
>> or do I have to use an EPROM reader?
>> 
>> —
>> Ville L.
>> 
>> 
>> 
>>> William Levak <wlevak@SDF.ORG> kirjoitti 15.7.2015 kello 17.57:
>>> 
>>> 
>>> After comparing 8050 6530 images from several sources, I have several 
>>> discrepancies.
>>> 
>>> I have two working drives with 6530 901483-03, date code 1882, with 
>>> Micropolis mechanisms. The ROM contents are the same as Martin's 901483-02 
>>> and zimmers.net DOS 2.5 Tandon.
>>> 
>>> Martin has a 901483-03 that is different then my 901483-03 and does not 
>>> match any other 6530 ROM image.
>>> 
>>> At this point, more information is needed to resolve this.
>>> 
>>> If you have an 8050 with DOS 2.5, check the 6530 at location UK3.  If it 
>>> is 901483-02 or 901483-03, more information is needed.
>>> 
>>> Compare the ROM image with that on zimmers.net. Is it the same or 
>>> different?  What is the date code?  What brand of drive mechanism?
>>> 
>>> You cannot tell which drive mechanism you have from the front bezel.  All 
>>> but the Micropolis Safari look the same.  The analog board on top of drive 
>>> 0 is different. Tandon drives have two voltage regulators near the center 
>>> of the board.  On all other models, the voltage regulators are on the back 
>>> corners.
>>> 
>>> 
>>> wlevak@sdf.lonestar.org
>>> SDF Public Access UNIX System - http://sdf.lonestar.org
>>>
>>>      Message was sent through the cbm-hackers mailing list
>> 
>>
>>       Message was sent through the cbm-hackers mailing list
>> 
>> 
>
> wlevak@sdf.lonestar.org
> SDF Public Access UNIX System - http://sdf.lonestar.org

wlevak@sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org

       Message was sent through the cbm-hackers mailing list
Received on 2015-08-03 04:00:07

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