IBM 9331-011 8" External Floppy Drive - eBay 183038271095
bill.gunshannon at hotmail.com
Thu Feb 1 17:30:19 CST 2018
On 02/01/2018 06:13 PM, Fred Cisin via cctalk wrote:
> On Thu, 1 Feb 2018, Ali via cctalk wrote:
>> Anyone know how easy it is to adapt one of these to work with an IBM
>> PC compatible class machine? I have one sitting around here somewhere
>> and if I recall correctly the drive is a bog std. YE-DATA DS 8" drive
>> so it should be just a matter of making sure the cabling is ok.
> If it is a 50 pin edge connector, then it is LIKELY that it follows
> the Shugart 800/850 pinout. BUT, it is still a good idea to find and
> check the pinout of the specific model drive, since some added
> additional signals and/or repurposed pins for other purposes.
> And, check the drive specific pinout for power connections!
> 5.25" drives had a standardized power connection.
> 8" drives do NOT have standardized power connections. Not all used
> the same power nor connector nor pinout as Shugart. In addition to
> 5VDC, you may need 24V or 12V, and maybe even -5VDC, or even AC.
> If it IS SA800/850, then FPADAP,
> is an easy way to handle the cabling.
> The website say that they have 5 in stock,
> so order immediately if you need it!
> If you are reading ONLY, and not writing to the drive, then you do not
> need the TG43 signal and circuitry, in which case it is trivial to
> make your own cable. The majority of the 5.25" (SA400) signals are
> even in the same order, so you can start with a 34 pin flat cable,
> peel out a small handful of the wires, and crimp them in a 50 pin IDC
> edge connector.
It doesn't guarantee that you will be able to read most (because of
in the PC floppy controller) but dbit.com offers an adapter called an
lets you connect a 50 pin 8" disk to the PC controller. I have a couple
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