> On Feb 9, 2019, at 3:30 AM, Ian wrote:
> . . .
>
> S as I've asked before, how do I mount the disk-based components onto
> the disk?
>
> Cheers,
>
> Ian.
Searching “Bing” with "how to install mac os onto 400k floppy” reveals:
"Making a 400k MFS Boot Floppy on Any Beige Mac”
> On 9 Feb, 2019, at 11:30 am, Ian wrote:
>
> Screen comes up, after a short time I get a floppy disk icon with a question
> mark in it,
>
> I reckon this means the POST and ROM-hosted diagnostics are complete, and I
> need to insert a system disk containing the disk-based Operating System
OK, went back to the Mac,
Power on,
Screen comes up, after a short time I get a floppy disk icon with a
question mark in it,
>I reckon this means the POST and ROM-hosted diagnostics are complete,
and I need to insert a system disk containing the disk-based Operating
System (OS)
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Hi, Keith,
I'll get onto it tomorrow - cheers, Ian.
On 07-Feb-19 7:01 PM, 'Keith Jamison' via Vintage Macs wrote:
Hi Ian,
In order to boot, the Mac has to get past that sad Mac icon.
When you switch on and see a floppy disk icon with a question mark,
that is when you should be able to boot.
Hi Ian,
In order to boot, the Mac has to get past that sad Mac icon.
When you switch on and see a floppy disk icon with a question mark, that is
when you should be able to boot.
Can you provide any further information about the Mac please? Specifically
which model is it?
Thanks,
Keith.
Sent
Hi, folks,
I got the Mac at a recycling shop with keyboard, mouse and nothing else.
I have formatted a single-sided disk on one of my SE30s, but do not know
how to put the system files onto it.
I'm assuming that this is now a 400 kilobyte (400 k) disk
The reset switch at the lower rear left
Hi Ian,
You may also look for a programmer switch on your Mac. This is an image of what
it looks like for a 128, 512 or Plus:
http://facstaff.cbu.edu/~cyelving/PlusSwitch.jpg
And for an SE, SE FDHD and SE/30:
http://www.ccadams.org/se/switch.gif
Later models look like this,
Hi Jerri,
I have repaired two Plus Macs and both had leaked electrolyte on the analog
board. As a result, voltages were out of tolerance for the rest of the
computer. One also had a problem with an X2 cap exploding and white smoke
followed. That was a little exciting and scary at the time.
Keith,
Have you seen or heard of electrolytic capacitors on pre-SE/30 compact Macs
leaking? These would all be through-hole capacitors, which hold up quite
well compared to SMD ones. Apple didn't switch to SMD caps on compact Macs
until the SE/30. The general consensus on earlier compact Macs is
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Hi Ian,
I'm with Jerri Kohl on this.
A SAD MAC indicates an issue with the hardware. That means it could be missing
or faulty RAM, leaked capacitors or some other faulty component. That is always
down to the digital board (logic board, motherboard).
The fact that it powers on does not exclude
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A sad mac means there is an error. If it was just waiting on a system disk,
there would be an icon of a floppy disk with a flashing "?". Here's a
couple of pages on sad mac error codes:
- https://udcf.gla.ac.uk/~gwm1h/Error_Codes/Sad_Mac_Codes.html
- http://myoldmac.net/FAQ/SADerror.htm
> On 27 Jan, 2019, at 1:25 pm, Ian wrote:
>
> is it possible to make a 400 k boot disk on my SE30
It should be possible to do this, one way or another.
Step 1 is to convert a high-density disk into a double-density one by filling
the extra sense hole (opposite the write-protect one). A small
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