Re: //c power supply

[mjmahon@aol.com (Michael J. Mahon)]

Robert wrote:

>I have a //c without the regular power brick. I'm trying to run it off
>a PC Peripheral power connector (5,25" floppy, HD). From it's specs,
>the PC supply should yield 12V/3A.
>After consulting some sites, I think I have the connection on the
>Apple side OK.
>When I switch on the machine, I get a green light for power, the
>screen shows "Apple //c", the drive does it's headbanging exercise and
>the red light comes on.
>Apart from that, nothing. I've tried different disks. The keyboard is
>dead apart from the reset and drop into monitor commands.
>Now for the question (finally): Do you think the Apple is dead or am I
>missing something with the power supply?

The //c is spec'd to run off a 12v battery, so that shouldn't be a 
problem.

The behavior you describe is completely consistent with a dirty,
off-speed, or otherwise malfunctioning disk drive.

If you can reset into Applesoft and write a simple BASIC program,
then I'd consider the computer to be fundamentally functional.
The disk drive, not so much...

-michael

Check out parallel computing for 8-bit Apples on my
Home page:  http://members.aol.com/MJMahon/