Re: Apple ][+ gravely ill - seeking assistance :(

["N N Thayer" <n.n..thayer@1:124/5009.remove-6lx-this>]

  To: mike
From: N.N..Thayer@familynet-international.net

On May 30, 7:37=A0am, m...@willegal.net wrote:
> My guess is that either a DRAM chip failed or you have an memory
> addressing problem. =A0 Seems like you can get a prompt with control-
> reset. =A0This makes things a whole lot easier than if you can't get a
> prompt. =A0 Once you control-reset and get a prompt, =A0you should be able=

> to write a simple memory test that may reveal some more details about
> where the problem is. =A0Check out my repair tips page atwww.willegal.net
> that includes an example debugging session for this type of problem.
>
> http://www.willegal.net/appleii/appleii-first_page.htm
>
> Regards,
> Mike Willegal

That's the thing - a reset is totally unresponsive now, I can't even get to a 
prompt. Let me lay out the symptoms again with proper formatting... I'm not 
sure how my original post was appropriated by spammers.

1. Power on.  Beep, floppy drive (Disk ][) does not initialize.  Power off.

2. Power on.  Beep, drive does not initialize. Power off.

3. Power on.  Beep, drive does not initialize.  Ctrl-Reset to prompt, PR#6.  
Drive initializes. Power off.

4. Power on.  Beep, drive initializes. Power off.

5. Power on.  Beep, drive initializes, disk is read.  Text menu appears and 
shows display corruption.  Some letters are replaced with random symbols.  The 
corruption is not static: new symbols slowly appear and change as I watch.  
Reset produces an abbreviated beep, perhaps half of its usual length.  Power 
off.


(a few minutes pass)


6. Power on.  Similar abbreviated beep, screen full of garbage characters, 
drive does not initialize.  No response to reset.  Power off.

7. Subsequent attempts produce results identical to #6 even with all cards 
removed, including Language Card.
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