From: Bryan Pope (bpope_at_wordstock.com)
Date: 2007-03-20 18:26:34
And thusly were the wise words spake by William Levak
>
> On Mon, 19 Mar 2007, Bryan Pope wrote:
>
> >
> >
> > 1. I have a 4040 that when powered up the LEDs blink nine times. I
> > can't find a flash code table for the 4040 at zimmers.net, but for
> > the 8050 it says it is the Common RAM, $4000 - $43FF. Could this be
> > the same for the 4040?
>
> Common RAM $4000-43FF is 2 2114's at UF4 and UF5.
>
So it is that same two RAM chips is the 8050?
> > 2. With a 2031, it powers up correctly but whenever you try to do any
> > disk access like get a directory or header a disk, the computer hangs
> > until I power off the 2031. I have already swapped the ROMs and the
> > 6522, but the problem still persists. I haven't swapped the
> > 75160 and/or 75161 yet. Could one of these be the problem and if
> > so which one should I swap first? I am trying to minimize any
> > desoldering/soldering.
>
> Can you read the error channel when the drive powers up?
>
No.. I tried doing ?ds$ like Bill D. suggested, but the C= hangs
like before.
> When you try to read a disk, does the drive motor turn on? Does the head
> step? What do the LED's do?
>
No drive motor turning on or head stepping. Also the LEDs stay off.
Thanks,
Bryan
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