On Wed, Feb 15, 2012 at 1:34 PM, Paul Fox <[email protected]> wrote: > kevin wrote: > > I'm fixing up about 5 XO-1s I bought from eBay, all with what appear to > be > > 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 > well. > > > > Alas, number 5, when I crank up the power, all that appears on the > serial > > console is a '+' sign, no pretty Forth message, no Page Fault error, > just > > that lonely arithmetic symbol. > > > > Went back to a couple of the others and verified that serial adapter and > > console still worked > > > > Is there a possiblity that this one beast might have a different baud > rate > > or parity? I didn't really want to try the o, let's say, 32768 > different > > 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. >
Darn. And I left my JTAG in my other pants. Kidding. 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. KG > > paul > > =--------------------- > paul fox, [email protected] >
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