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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Hector Martin‏ @marcan42 28 Jul 2017
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      IBM POWER4 MCM from an IBM pSeries 690 "Regatta". This MCM has 8 cores, the machine had 4 of these for 32 cores total.pic.twitter.com/IA2F5nCwyL

      4 replies 3 retweets 29 likes
    2. Hector Martin‏ @marcan42 28 Jul 2017
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      Replying to @marcan42

      Pulled one of the dies off of my second damaged MCM. I'll have to see about delayering it and sticking it under the SEM at some point.pic.twitter.com/jZr282kPzR

      1 reply 4 retweets 17 likes
    3. Hector Martin‏ @marcan42 28 Jul 2017
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      Replying to @marcan42

      The C4 gunk cleaned up easily with the good old razor blade method, so here are some optical top layer shots.pic.twitter.com/vvFAlnnMfi

      2 replies 5 retweets 26 likes
    4. hedge.txt | Mostly Inactive, except when not‏ @hedgeberg 28 Jul 2017
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      Replying to @marcan42

      Ooh, pretty visible. What year is this again? Any idea what process node it was? My guess is 1.5-3 micron-ish, but I'm bad at pre-2k scaling

      1 reply 0 retweets 1 like
    5. Hector Martin‏ @marcan42 28 Jul 2017
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      Replying to @hedgeberg

      180nm, it's not *that* old ;)

      1 reply 0 retweets 1 like
    6. hedge.txt | Mostly Inactive, except when not‏ @hedgeberg 28 Jul 2017
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      Replying to @marcan42

      The packaging made me think 1990s but looking at this now it's like 2008-ish. I'm a dingdong :/

      1 reply 0 retweets 0 likes
    7. hedge.txt | Mostly Inactive, except when not‏ @hedgeberg 28 Jul 2017
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      Replying to @hedgeberg @marcan42

      Man that's really embarrassing being a whole order of magnitude off O_O

      1 reply 0 retweets 0 likes
      Hector Martin‏ @marcan42 28 Jul 2017
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      Replying to @hedgeberg

      You're still off on the date; it's from 2001, and the machine it came from was discontinued in 2005.

      12:22 PM - 28 Jul 2017
      • 1 Like
      • Kaitlyn Molinas
      1 reply 0 retweets 1 like
        1. New conversation
        1. Kaitlyn Molinas‏ @orcastraw 28 Jul 2017
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          Replying to @marcan42 @hedgeberg

          Ouch

          1 reply 0 retweets 0 likes
        2. hedge.txt | Mostly Inactive, except when not‏ @hedgeberg 28 Jul 2017
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          Replying to @orcastraw @marcan42

          Solid. I'm 0/2. Doin great today :/

          0 replies 0 retweets 2 likes
          3. End of conversation

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