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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 16 Sep 2016
      • Report Tweet
      • Report NetzDG Violation

      The hackerfarm server was marking half of its RAM as failed. Fixed it by *removing* a chip. Still dunno what it did.pic.twitter.com/M4ykmgM61u

      3 replies 7 retweets 26 likes
    2. Bobo_PK‏ @Bobo_PK 16 Sep 2016
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      Replying to @marcan42

      well, it marked half the RAM as faling :-D

      1 reply 0 retweets 0 likes
    3. Hector Martin‏ @marcan42 16 Sep 2016
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      Replying to @Bobo_PK

      Oh it fucked up the vref_dq voltage alright. But what was it *supposed* to do? :D

      1 reply 0 retweets 1 like
    4. Pillow‏ @CounterPillow 16 Sep 2016
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      Replying to @marcan42 @Bobo_PK

      voltage regulator?

      1 reply 0 retweets 0 likes
    5. Hector Martin‏ @marcan42 16 Sep 2016
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      Replying to @CounterPillow @Bobo_PK

      No, that's the LM358 next to it buffering the 1/2Vdd...

      1 reply 0 retweets 1 like
    6. Bobo_PK‏ @Bobo_PK 16 Sep 2016
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      Replying to @marcan42

      wild, uneducated guess. Maybe it stored if the second RAM bank is active or not?

      1 reply 0 retweets 0 likes
      Hector Martin‏ @marcan42 16 Sep 2016
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      Replying to @Bobo_PK

      No. It has *something* to do with vref but I have no idea *what*. It was broken and thus actively messing with it.

      10:22 AM - 16 Sep 2016
      1 reply 0 retweets 0 likes
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        1. Bernd Walter‏ @bwalter01 16 Sep 2016
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          Replying to @marcan42 @Bobo_PK

          Protection diodes maybe. Just guessing however.

          1 reply 0 retweets 0 likes
        2. Hector Martin‏ @marcan42 16 Sep 2016
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          Replying to @bwalter01 @Bobo_PK

          Doesn't make a lot of sense. Pinout was +3v3, GND, unk1, unk2, Vref, +1.5V. unk[12] were at 3.3V during normal operation

          2 replies 0 retweets 0 likes
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