Re: mass storage for Apple //c

[Michael J. Mahon <mjmahon@aol.com>]

Ivan X <ivan@ivanx.com> wrote:
> On Monday, May 20, 2013 2:09:06 PM UTC-4, Riccardo wrote:
>>> I'm kind of excited about this. And the Raspberry Pi model A (the $25
>>> one with only a single USB and no Ethernet) can supposedly be powered
>>> with 5v 300 mA, which makes me wonder if the 12v 300 mA pin on the //c
>>> video expansion port can be used with some sort of device to reduce the
>>> voltage, and then the Pi becomes a true self-contained storage device
>>> for the //c. (I'm completely clueless when it comes to electricity, so
>>> I don't know how viable this is.)
>> 
>> 
>> 
>> You can use +5V - GND from: External disk port, Game port or direct from
>> internal power supply grid by two wires (but is a rough work to see).
>> 
>> 
>> 
>> Ric.
> 
> There's an excellent idea. I know Apple says that you're not supposed to
> draw more than 100 mA from the +5V pin on the game port -- does anyone
> have any idea what the max current available from the +5V pin on the disk connector is?

Nothing actually limits the current drawn from any of the ports except the
total capability of the Apple's power supply (and the current-carrying
capacity of the connector, but that shouldn't be an issue). 

-michael - NadaNet 3.1 and AppleCrate II: http://home.comcast.net/~mjmahon