end of a XO-1

2014-09-16 Thread Jecel Assumpcao Jr.
I hope this isn't completely off topic for this list. My idea is that posting this report here might be useful to someone in the future searching for related information. Back in 2008 I bricked my XO-1 B2 (128MB) machine by upgrading to a firmware that was incompatible with it. The original

Re: XO 1.5 Solder Reflow in Toaster Oven

2011-08-22 Thread Jecel Assumpcao Jr.
Anna, So, I took the mobo out of one of the XO 1.5 units, broke it down to just the board and nothing else, then put it in the toaster.  On a metal pan supported by four balls of tin foil:  385F for 8 mins.  Put everything back together and, to my complete and utter astonishment, it booted. 

Re: [IAEP] Turtles All The Way Down

2011-05-22 Thread Jecel Assumpcao Jr.
C. Scott Ananian wrote on Sat, 21 May 2011 19:22:01 -0400 I'm familiar with the processors designed for specific high-level languages. There was another generation of them built for Java (microblaze, picoblaze, etc) and some of those are even still commercially significant (they run Java

Re: q2e15 and a bricked BTest-2

2008-09-11 Thread Jecel Assumpcao Jr
Richard Smith wrote: All 'e' series firmware will brick any machine using a Geode GX (B1 B2) so e12 would have not have saved you. Right, it would be a good idea to mention this in http://wiki.laptop.org/go/Hardware_specification#Software_on_the_develop ment_systems It is pretty easy to

Re: q2e15 and a bricked BTest-2

2008-09-10 Thread Jecel Assumpcao Jr
Richard A. Smith wrote: Ugh. Verified. e15 bricks a B2. I suspect that when I fixed the board ID table for the upcoming C3 I've somehow broken B2. I'm investigating now. It is hard to avoid having these things happen given all the versions of machines out there. Though it is still more

q2e15 and a bricked BTest-2

2008-09-09 Thread Jecel Assumpcao Jr
About a week ago I attempted the update the firmware on a BTest-2 machine from q2c11 to q2e15. There were no error messages, but after it shut down the screen no longer turns on. The EC seems to be working (mostly at least) ok. The idea was to test SqueakNOS but its boot.fth file uses commands

Re: etoys now available in Debian's non-free repository

2008-06-23 Thread Jecel Assumpcao Jr
Frank Ch. Eigler wrote on Sat, 21 Jun 2008 14:57:52 -0400 On Sat, Jun 21, 2008 at 02:50:59PM -0400, Jim Gettys wrote: Plus it requires them (and users) to run the tools embedded into the possibly suspect image in order to describe itself. Do you see how there could be a trust problem

Re: View Source question

2008-05-19 Thread Jecel Assumpcao Jr
Edward Cherlin wrote: Eh, LISP machine, Smalltalk machine, FORTH machine, APL machine. All great technical innovations, all market flops, if they were even implemented fully. Computers should be general-purpose. I hope you are not saying that it is wrong for me to design Smalltalk machines for