Need manual for a floppy drive...
sales at elecplus.com
Mon Jan 30 11:32:45 CST 2017
I lost track of the origin of this discussion. Is the drive that help is
needed for a JU-455 or a JU-475?
From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of geneb
Sent: Monday, January 30, 2017 10:51 AM
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Need manual for a floppy drive...
On Mon, 30 Jan 2017, Tony Duell wrote:
>> The activity light doesn't work in either setting.
> Now I am confused...
> I've downloaded the Shugart 455 service manual from bitsavers. By the
> looks of things the jumper in question is the one to the left of the
> control logic ASIC, between a 74LS38 and a 74LS74. It has 2 positions,
> to the left DS (Drive Select), to the right UO (In use).
> According to the schematic, in the DS position, the LED is not
Well like I mentioned previously, the logic board in the Panasonic drive
looks *nothing* like the one in the Shugart manual. :)
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