Subject: Re: Pinout Voltage on IIc Disk Drive Port
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From: Patrick Schaefer <patrick.schaefer@topmail.de>
Newsgroups: comp.sys.apple2
Date: Mon, 31 Jul 2000 09:29:26 +0200
Organization: Forschungszentrum Juelich GmbH
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Ross Holmberg schrieb:

> That can't be right.... The Mac-LC lab at SSU, MN was home to many IIe cards
> for mac driving DiskII drives.
>     Perhaps there were multiple revisions?

There may be some engineers working there :-)

If you add a -12V supply to your card, the Disk II will run. The LC
doesn't provide -12V (only -5V for Appletalk), but you can add an
external supply. Or build a TL7660-based inverter for the +12V line.


Patrick