At 21:15 -0600 1/29/10, Abel Ortiz Monasterio wrote:
Looks like you are missing the OS,  not sure of how to get it on a 800K disk to 
install it on your hard drive.Your HD is probably bad otherwise it would boot 
from it, you can get a hard drive with system 6 on e-bay (I've seen them go for 
pretty cheap, a 20 or 40 mb (sic) That's 20 or 40 MB as opposed to the unit of 
atmospheric pressure, the millibar.)



On Fri, Jan 29, 2010 at 3:27 PM, Mac-Chemist 
<<mailto:[email protected]>[email protected]> wrote:

Hi everybody,

Welcome. I'll bet you know about DHMO.


this is my first e-mail to this e-mail list. Here is the reason.

Recently, I was able to get a Macintosh SE that was ready to be
disposed. I was in love with the little one so I took it home.

I cleaned it, opened it and un-dusted it.

This is what I know so far:

It has 1MB RAM, one 800 K drive and a 20SC hard disk. The keyboard and
mouse are original.

I turned it on and the speakers worked, the screen turned on, and the
mouse worked. The monitor shows the disk drawing with the question
mark blinking.

As above, the question mark on a disk is saying "I can't find an operating 
system."

A fairly common failure of those hard disks was called stiction. It was a case 
of lubricant, or something else, that keeps the platter from spinning after it 
sits in stopped mode for a long time.

Have a close listen and see if you can hear the disk spinning.

A fix was to hold the disk in your hand and twist it around a bit. The idea is 
that the platter has inertia and the sharp motion can get it off center. 
Unfortunately I don't think you'll get anywhere spinning the whole SE. But then 
you'll eventually need to take the back off with that special long torx 
screwdriver anyway. Hmm . You did say you opened it. Are you quite sure the 
disk drive is still plugged in. There are two connectors, a 50 pin two row job 
and a four pin Molex that provides +12 and +5 volts to the disk.

You didn't say if you had a floppy disk that came with the baby. There is such 
a thing as a bootable floppy which can be used to start up and install a system 
on a blank hard drive.


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