Must just be my week for strange behaviour
sverma at sfsu.edu
Fri Mar 9 04:05:28 EST 2012
On Wed, Feb 15, 2012 at 10:39 AM, Kevin Gordon <kgordon420 at gmail.com> wrote:
> On Wed, Feb 15, 2012 at 1:34 PM, Paul Fox <pgf at laptop.org> wrote:
>> kevin wrote:
>> > I'm fixing up about 5 XO-1s I bought from eBay, all with what appear to
>> > RTC issues.
>> > 4 all worked nicely, page fault error from the serial adapter console,
>> > entered the select/decimal/set-time, they rebooted and re-flashed very
>> > Alas, number 5, when I crank up the power, all that appears on the
>> > console is a '+' sign, no pretty Forth message, no Page Fault error,
>> > that lonely arithmetic symbol.
>> > Went back to a couple of the others and verified that serial adapter
>> > console still worked
>> > Is there a possiblity that this one beast might have a different baud
>> > or parity? I didn't really want to try the o, let's say, 32768
>> no, it's not a baud rate or parity issue. if you look closely at the
>> serial output from one of your working machines, you'll see that the
>> very first character produced by OFW is '+'. <cr><nl> or <nl><cr> is
>> next, then the Forthmacs strings. i believe mitch uses every one of
>> those characters as a progress indication. dying as early as your
>> machine does is probably not a good sign.
> And I left my JTAG in my other pants.
> I'll put it into the 'Investigate Later' bin, as it looks like it might take
> a fair amount of time/effort with an appreciable chance of ultimate
> failure. Back to the 1.75 I go .....
> Thanks everyone for the quick replies.
>> paul fox, pgf at laptop.org
> Devel mailing list
> Devel at lists.laptop.org
I now have one that came in for repair, and is showing the same
behavior. Shows a + sign at power up on minicom.
Sameer Verma, Ph.D.
Professor, Information Systems
San Francisco State University
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