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  1. tecneeq

    BrickOven™ PizzaBox Hack revisited . . .

    Right. That would beat a floppy solution. |)
  2. tecneeq

    BrickOven™ PizzaBox Hack revisited . . .

    I believe a diskless BrickOven would perform better if files reside on a fast NFS server. Also it saves about 10 watt per node peak power need. Say you have 30 watt per node peak, with moving disk this would be 40 watt. If you use 7 nodes (wich is a perfect number for network switching reasons...
  3. tecneeq

    BrickOven™ PizzaBox Hack revisited . . .

    This whole thing really tickles my geek bone. I sat down today to check out the source tree for NetBSD. Turns out quite a bit has changed since the old days. But i managed to crosscompile a custom kernel which compresses to about 1 mb. Now i'm looking at tricks to shave a few more kb from the...
  4. tecneeq

    BrickOven™ PizzaBox Hack revisited . . .

    Just to let you know, you are not the first planning a 68k-mini-cluster. And i am not the first to connect the dots and think package-compile-cluster: http://comments.gmane.org/gmane.os.netbsd.ports.mac68k/5448 Can't wait for the weekend to test some things. Haven't really played with the...
  5. tecneeq

    BrickOven™ PizzaBox Hack revisited . . .

    I'm not sure, but i believe that 10 MBit ethernet to a fast fileserver with large buffers and maybe even a SSD is faster than any local disk. Mind you, sustained read or write isn't important, only random access times count. At the weekend i'll play with the software side. :approve:
  6. tecneeq

    BrickOven™ PizzaBox Hack revisited . . .

    Yes, sir, i believe i can :approve: . I'll look into netbooting NetBSD on a LC475 from a floppy this weekend. Custom ROMs are fine, but maybe not really needed just yet. It probably would be best and least intrusive to use a virtual machine to run the needed network services. What kind of VM...
  7. tecneeq

    Macintosh LC III Overclocking, 25Mhz to:===>33Mhz

    Uniserver, i believe you should have stuffed the factoid about the enabler in your picture. :approve: Awesome that the LCIII is as easy as the LC475 to speed up.
  8. tecneeq

    BrickOven™ PizzaBox Hack revisited . . .

    @bbraun: I don't have one of dougg3s SIMMs and i don't have the skill to add any sockets either, i'm afraid. I just recently started soldering crystals and caps. NetBSD would benefit if the used virtual memory would otherwise approach the amount of physical memory. With more ram there would be...
  9. tecneeq

    Apple vs china knockoff Ehternet-to-USB converters

    @olePigeon: great link, interesting to read. And a bit scary, too. 8-o I had mostly luck with cheap stuff. But i believe the trouble the chinese engineers went through, to make that chip, is quite remarkable.
  10. tecneeq

    BrickOven™ PizzaBox Hack revisited . . .

    No need for disks, netboot. Use a simple loader on a floppy. As for my previous text, i guess one could compress it like that: NetBSD itself can be made on fast machines for slow targets. But the packages must be made on that slow target which takes month. A bunch of BrickOven would reduce the...
  11. tecneeq

    BrickOven™ PizzaBox Hack revisited . . .

    I see. Your BrickOven could solve a NetBSD problem. NetBSD comes, in contrast to Linux, out of one hand, one source code repository. This has NetBSD enabled to use crosscompiling (compiling is the task of generating machine code or binaries from human written code). That means, i can compile...
  12. tecneeq

    BrickOven™ PizzaBox Hack revisited . . .

    What is the point of the orange loudspeakers? BTW, i imagine this could be really an epic cluster for image rendering. Slap NetBSD on it (6.1 is nearly done and works smoothly on my Q650), add some Beowulf from PKGSRC as well as some kind of raytracer and you are done! Or a distcc compile farm...
  13. tecneeq

    How does one clean a Mac carrying bag?

    Did you get the one that just sold on Ebay germany? If so, congrats, but it was a tad to dirty for my taste. Pricey, too! I would just fill the tub with warm water and clothing soap and wash it a bit. Then, to get it dry, i would use a ventilator/fan. You want to get it to dry as fast as possible!
  14. tecneeq

    Apple vs china knockoff Ehternet-to-USB converters

    What i like about it best is not they just make a cheap knockoff, but that their cheap knockoff apparently works really well. They even made their own chip that acts as if it was the pricey chip, so they could benefit from it's driver support. ;D
  15. tecneeq

    Out-of-business sale conquests

    I have never heard of a Quadra 640. :?:
  16. tecneeq

    Apple vs china knockoff Ehternet-to-USB converters

    I'm not sure it's the right place, maybe it should be moved to the Lounge. I just found this comparison between an Applea nd a china knockoff Ehternet-to-USB converter. Kind of interesting: http://projectgus.com/2013/03/anatomy-of-a-cheap-usb-ethernet-adapter/
  17. tecneeq

    Yellowing of the iMac

    The pros know it also as ,,Qwik-Brittle''. Did i ever post the link to the article from the danish museum that took a deeper look into the chemistry of Retr0bright? There it is: http://aktuelbevaring.natmus.dk/afrensning-af-plast-med-retrobright.html They basically have looked into it and...
  18. tecneeq

    Yellowing of the iMac

    Another thing i noticed, the inner layer is like a dust magnet. The outer layer contains antistatic agents of some kind.
  19. tecneeq

    Yellowing of the iMac

    Yes, there is some yellowing in the first gen iMac already. I have three. One has a good picture, but yellowed case, another has a good case, but bad picture, so i swapped. Here is what i learned: The case is made of two layers, the outer see-through layer, which is good plastic, not brittle...
  20. tecneeq

    Quadra 605

    I have the LC475, a nice computer indeed, but i feel it to be overrated around here. I didn't update my RAM beyond 36MB, takes a long time to check that much ram. I wonder how it feels with 132MB. 8-o It might be a good idea to stuff the case tighly with crumpled paper.
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