Hi friends

I have a problem with my Mac Plus :( I have many freeze if I don't use the
Mac for a few minutes.....

For exemple :

1) I power on the Mac Plus without keyboard, without mouse, without hd
external .....
2) I see the Mac logo "?" to insert a floppy, I wait about 5 minutes before
to insert the floppy
3) when I insert a bootable floppy for exemple 6.0.8 boot disk, all freeze
and I the "Sad Mac" and the error code 0F0003

other test I have made

1) I power on the Mac Plus with keyboard, with mouse (always no HD)
2) I see the Mac logo "?" to insert a floppy, I wait about 5 minutes before
to insert the floppy
3) when I move the mouse all freeze :((((

other test .....

1) I power on the Mac Plus with keyboard, with mouse (always no HD)
2) I see the Mac logo "?" to insert a floppy, when I see the logo "?" I
insert the floppy, It run the OS 6.0.8 and I can use it without problems,
then I shut down the Mac Ok
3) I leave the Mac for some minutes in the black screen " "after the shut
down,
when I move the mouse all freeze :((((


other test

1) I power on the Mac Plus with keyboard, with mouse and with HD bootable
with OS 7.1
2)  It run the OS 7.1 and I can use it without problems, then I shut down
the Mac Ok
3) I leave the Mac for some minutes in the black screen " "after the shut
down,
when I move the mouse all freeze :((((




I have seen here for error code :
http://www.cwu.edu/~lynnl/sdec.html , It say the error code 0F0003 is
Illegal instruction2, but It freeze without run an OS :(

Specifications of my Mac Plus :

A) NO battery installed
B) I have installed 4Mb of ram removing the four 256KB ram installed before,
and inserting four 1Mb ram of  70ns, I have also snipped off the resistor as
seen here http://macplus.mia.net/installram.html

I think to have an hardware problem, some idea ? or could be a problem
becouse there isn't the battery or the RAM I have installed It's not
compatible ?


Thanks to all


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